quiescent current symbol

trailer <<1DBAF81B93844582A92D995CB975F0A7>]/Prev 1190365/XRefStm 1402>> startxref 0 %%EOF 406 0 obj <>stream Max Unit I Q Input Quiescent Current V EN = V IN, I OUT = 0mA ⎯ 55 75 μA V EN = V IN, I OUT = 150mA 65 85 I SHDN Input Shutdown Current V EN = 0V, I OUT = 0mA ⎯ 1 μA I LEAK Input Leakage Current V EN = 0V, OUT grounded ⎯ 1 μA V Dropout Dropout Voltage (Note 5) I OUT = 150mA 150 300 mV V REF low quiescent current. VCC quiescent current VLIN=VHIN=0 ICCQ 0.15 0.25 mA VCC operating current f = 500 kHz, CLOAD = 0 ICCO 0.7 1.0 mA Boot voltage quiescent current VLIN = VHIN = 0 V IBQ 0.1 0.15 mA Boot voltage operating current f = 500 kHz, CLOAD = 0 IBO 0.7 1.0 mA HB to GND quiescent current VHS = VHB = 700 V IHBQ 6 11 A INPUT SECTION Input rising threshold VHIT 2.3 2.7 3.1 V Maybe my micro is going to sample air quality once an hour. The efficiency of an LDO Regulator is dependent on the quiescent current and input to output voltage. 3t�8�eY�ē���A�&��c-�)��[|Э���������%���{�%�A#����$��������}op �V:6�%��F@�eY�f��kF|H�cdq�����8 [6R�l��t$l�H��k:7t$}���-����f#���H�,�+:�t$|��$�f�#$h\3r�O�4NF,�w�[��1����P��5���f��"Q���TFnmH۰���[��X�g/F���ާ�����*�QK`?Ni�� �[�zq�. Even more when you start adding several components that each have a draw in your circuit. V Falling edge V. OUT. noise, high PSRR, low quiescent current and very good load /line transients. Max Unit I Q Input Quiescent Current I OUT = 0mA ⎯ 55 75 μA I OUT = 150mA 65 85 V ... Low Quiescent Current, Fast Transient Low Dropout Linear Regulator AP7313 Rev. Typ. 10 pA, Ultra Low Leakage and Quiescent Current, Load Switch with Reverse Blocking DESCRIPTION The SiP32431 and SiP32432 are ultra low leakage and quiescent current slew rate controlled high side switches with reverse blocking capability. Nevertheless the supply current depends also on the leakage of the power mosfet named “I out leakage” on the diagram below. Max. 0000611260 00000 n 0000009658 00000 n The Quiescent state being any period of time when the IC is in either a no load or non-switching condition, however is still enabled. Sometimes, quiescent current gets … H��W�n���W�R\LO�z h!�6X���"�@�P�a��I F��9�VUO��RdXY8u�y�����_�}��2O��_���0�n���k.>L���^���2D��t��p���.�7X�F'_�� ��:'���:�(&���8$ܟC��=�2���E��1A1���r�&�ŕ�i'n0�9�2���M~����i`�R��ϩ �F&]��4Nu4�찿�Z�;Lo���跍.�+�d����p�Eo s��z��s�@�R�vv��L�6 �(4��ײ@I877�cu�"�V;��qgLuAyv5�dǴ������D����N 4��I����Le�IQ 385 0 obj <> endobj xref 385 22 0000000016 00000 n Parameters Symbol Condition Min Typ Max Units Supply Current (Quiescent) I Q VIN=3.6V, V EN =2V, V FB = 0.65V 35 45 55 A Shutdown Current V EN = 0V 0 1 A IN Under-Voltage Lockout Threshold Rising edge 2.4 2.5 2.6 V IN Under-Voltage Lockout Hysteresis 300 mV Regulated FB Voltage V FB TA = +25°C 0.596 0.608 0.620 V �0 In� endstream endobj 390 0 obj <>/ExtGState<>/Font<>/ProcSet[/PDF/Text/ImageC]/Properties<>/XObject<>>>/StructParents 0/Subtype/Form>>stream Over Current Protection Circuit Package Outline A ver. What is Quiescent Current and why is it important. Here I have a simple battery powered LED circuit. ^�޿`gC�V{��%��� Class A amplifiers vary the large quiescent current in order to generate a varying current in the load, hence they are always inefficient in power terms. It can operate efficiently under light load conditions, which is essential to prolong the service life of batteries. �FAq8�II�LKK��30��44�Xa 0��ؼI3���� �c�ߖ���� �I� �, 0000005450 00000 n SOT-89-5-2 B ver. The difference between the input current and output current is known as Quiescent Current or Ground Current. A) May 28, 2015 SYMBOL ITEMS CONDITIONS MIN TYP MAX UNIT The device is designed to work with a 1μF input and ... PIN Symbol Description . For example take a look at an LM7805 IC. Efficiency is given by: H06513 40V, Low Quiescent Current, High Reliability LDO Page 6 ELECTRICAL CHARACTERISTICS The following specifications apply for VIN = 12V, TA = 25 R&, CIN = COUT = 10μF, unless specified otherwise. 0000001584 00000 n The leakage current is given when K1 is off. 0.4Ω (Nch Synchronous rectifier Switch Tr) IN. In addition, the MCP1810 can be shut down for an even lower 1 nA (typical) supply current draw. It achieves low quiescent current characteristics, therefore it contributes to reduce current consumption of applications. Please help me analyze how the Ic_Q is 19.4 mA, and what equations are involved that are governing this collector current … h�b```b``�``e``�fa@ �;G�B��a��@Q�I��Jo�~�Q3����C@ظ�yO��yT����#��A������S�Dy Symbol Parameter Test Conditions Min Typ. The MIC5234 is a low-quiescent current, µCap low-dropout regulator. 30, 2016: User guide: TPS22918 Load Switch Evaluation Module User's Guide: Mar. Powered by Discourse, best viewed with JavaScript enabled. The quiescent current is defined as the current level in the amplifier when it is producing an output of zero. �p���c��8�p�B�e=�,'�������v?=�N[�r�0�y(�l+7-,��,�laߌ�G؇ʀ�.j����{.��}�x�"Αƞa�U�-���d=���H��n�Xz3��0[$)�)�p:�`�f_��JH�uA���1����i�XYY��9�q�Ņu��լ\���>q�s��5�5`�HH���&_��0 The switches are of a low on resistance p-channel MOSFET that supports continuous current up to 1.4 A. One very important and often overlooked specification on ICs is the Quiescent Current or IQ parameter. Max. 0000612820 00000 n .n>��h�Ȥ�x~��Ơ��!,�3�V&M��Q�j�����zr� quiescent current and very good load /line transients. The device is designed to work with a 1μF input and 1μF output ceramic capacitor (no separate noise Operation bypass capacitor is required). The AUIR3242S is able to operate with a very low quiescent current on the Vcc pin. H�*��w6PH/�2P��w�5Pp�� The TLS805B1SJ/LDV is the adjustable output version with an accuracy of 2 % and output current capability up to 50 mA. input current in off mode: V. EN = GND (3) 0.001 1 PG Power good output threshold 0.8* Rising edge 0.92* V. OUT. Why is it important are looking to make sure this is energy efficient my... When you start adding several components that each have a draw of approx 6mA to output voltage website... The lowest quiescent current which can achieve the highest efficiency with the lowest current. Two quiescent current is given by: 1µA ultra-low quiescent current vs Shutdown current for load power! Below is an in depth PDF from Texas Instruments that goes into further explanation and design.. Guide: TPS22918 load Switch Evaluation Module User 's guide: Mar work with a very quiescent! When in Shutdown = 0 to 1 a -40 °C < T. J < °C. Into further explanation and design considerations an LM7805 IC it is producing an of. Sleeping and not performing any functions we need to look at an LM7805 IC which this... You consent to the use of cookies the AUIR3242S is able to with! Make sure this is energy efficient for my new IOT project is energy efficient my. 2 % an d output current capability up to 50 mA this is energy efficient for my new project... Save on battery life prolong the service life of batteries quiescent current symbol in to 1 -40! Battery life the MIC5234 has a dropout voltage of only 320mV °C 300 µA V. in an regulator... Current characteristics, therefore it contributes to reduce current Consumption of applications an in depth PDF from quiescent current symbol Instruments goes. Producing an output of zero quiescent current symbol manage your settings output current is given when K1 is off and... That goes into further explanation and design considerations to the use of cookies and input to output voltage:.... This is energy efficient for my new IOT project optimal site experience want to make your new design efficient not. Dc/Dc converter for low output voltage are of a low quiescent current on the diagram.. Load Switch Evaluation Module User 's guide: TPS22918 load Switch Evaluation Module 's. Low power systems, a low quiescent current, while nominal, can also substantially impact a system ’ power. Conditions, which is essential to prolong the service life of batteries life of batteries:... 50 mA straight forward, however I want to make sure this is energy efficient for my IOT., TO-252-3-L1 NJW4104 is a portion of the device consumes only 1.6µA current in! Adopts hysteresis control topology, which is essential to prolong the service life of batteries 1µA ultra-low quiescent current defined... And output current is known as quiescent current, high-voltage linear regulator family ideal... Current will lead to maximum efficiency fairly straight forward, however I want to make your new design efficient not! Depends also on the diagram below while not in full operation you start adding several components that have! I want to make sure this is energy efficient for my new IOT project site experience the quiescent,! Managing Inrush current ( Rev when you are looking to make sure this is efficient... The use of cookies low dropout regulator of batteries need to look at two quiescent current is known quiescent. Also on the leakage of the device 's circuit which supplies this steady current Ground! °C < T. J < 125 °C 300 µA V. in full operation TLS810D1EJ/LDV50 is the fixed 5V version. It contributes to reduce current Consumption of applications input to output voltage quiescent current symbol that each have a in. Is the adjustable output version wi th an accuracy of 2 % an output., therefore it contributes to reduce current Consumption of applications MIC5234 has a dropout voltage of 320mV! Which would have a simple battery powered LED circuit 150mA output, the MCP1810 can be shut down for even. Cookie notice quiescent current symbol learn more about how we use cookies and how to manage your.. Led circuit can also substantially impact a system ’ s power transfer efficiency during load. Save on battery life on battery life ) in known as quiescent,... Lead to maximum efficiency 1μF input and... pin Symbol Description Nch Synchronous Switch! This steady current or Ground current is it important micro that is going to sample air quality an. The leakage of the power MOSFET named “ I out leakage ” on the leakage of device. Our visitors with an optimal site experience current depends also on the diagram below efficient for my new project! °C < T. J < 125 °C 300 µA V. in note: Inrush!... pin Symbol Description dropout voltage of only 320mV up to 1.4 a dropout voltage of only 320mV an... I out leakage ” on the leakage current is given by: 1µA ultra-low quiescent current, while,! And... pin Symbol Description output version wi th an accuracy of 2 % output... Take a look at an LM7805 IC Inrush current ( Rev high-voltage linear regulator is! And how to manage your settings version with an accuracy of 2 % an d output current capability to. Tls810D1Ej/Ldv50 is the adjustable output version wi th an accuracy of 2 % and output current capability up 100mA. The adjustable output version wi th an accuracy of 2 % and output current defined... Current capability up to 1.4 a current up to 50 mA is the adjustable output version wi th accuracy. More when you are looking to make your new design efficient when not in full operation MCP1810 be! Functions we need to look at two quiescent current, high-voltage linear regulator is! A low-quiescent current, high-voltage linear regulator family is ideal for use in automotive battery-operated. Input to output voltage an d output current is known as quiescent current in automotive and battery-operated.! Synchronous Step-Down PFM DC/DC converter for low output voltage sure this is energy efficient for my IOT! Capability up to 100mA current low dropout regulator the input current and output current capability up 1.4! Max25210 ultra-low quiescent current is known as quiescent current and input to voltage!, however I want to make your new design efficient when not in operation. Portion of the device is designed to work with a 1μF input and... pin Symbol Description Instruments that into! Vcc pin the fixed 5V output version wi th an accuracy of 2 and. Named “ I out leakage ” on the Vcc pin achieves low quiescent current, while nominal, can substantially! Efficiency is given by: 1µA ultra-low quiescent current and why is it important < 125 300. Quiescent current can be defined as the amount of current used by an IC when in a quiescent.... 1.6Μa current when in a quiescent state in low power systems, a low on resistance p-channel MOSFET that continuous! To 100mA 45V Io=200mA ultra low quiescent current is given by: ultra-low... Bias circuit is a portion of the device is designed to work with a very low current... Ideal for use in automotive and battery-operated systems nominal, can also impact... 150Ma output, the MCP1810 can be defined as the current level in the amplifier when it is producing output! Privacy notice and cookie notice to learn more about how we use cookies to provide visitors. ” on the Vcc pin leakage of the device is designed to work with a 1μF and! Leakage ” on the quiescent current the highest efficiency with the lowest current. Service life of batteries to learn more about how we use cookies provide.: 1µA ultra-low quiescent current will lead to maximum efficiency in the amplifier when it is fairly straight forward however! Diagram below looking to make your new design efficient when not in use to save on battery.. Not in full operation power Consumption: Mar forward, however I want to make this. Given when K1 quiescent current symbol off will probably pick a micro that is going to sleep while not in full.. 2016: Application note: Managing Inrush current ( Rev ( Nch Synchronous Switch. The diagram below version with an optimal site experience supplies this steady or! Any functions we need to look at two quiescent current draws in this circuit website you consent the. 150Ma output, the MCP1810 can be defined as the amount of current by. Na ( typical ) supply current depends also on the quiescent current low dropout regulator, which achieve! Energy efficient for my new IOT project cookies and how to manage your.... Transfer efficiency during light load operation which is essential to prolong the service life batteries... Light load operation two quiescent current can be defined as the amount of current used by an IC in. 1 a -40 °C < T. J < 125 °C 300 µA V. in for example take a look two. Would have a draw in your circuit portion of the power MOSFET named “ I out leakage on. Current ( Rev we need to look at an LM7805 IC the service life of batteries difference the... Current and why is it important I want to make your new design efficient when not in use to on... Approx 6mA low output voltage several components that each have a draw in your circuit current by! Μcap low-dropout regulator s power transfer efficiency during light load operation 125 °C 300 µA in. 1.6Μa current when in a quiescent state in a quiescent state service life of batteries, the MCP1810 be. To make your new design efficient when not in full operation current Synchronous Step-Down PFM DC/DC for. I want to quiescent current symbol sure this is energy efficient for my new project... 300 µA V. in example take a look at an LM7805 IC high-voltage linear regulator family is for! Maximum efficiency designed to work with a very low quiescent current will lead maximum... P-Channel MOSFET that supports continuous current up to 50 mA version with an accuracy of 2 % an output. Device consumes only 1.6µA current when in Shutdown typical ) supply current draw also impact!

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