MIC5156YM

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> Semiconductors - ICs

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Series Information for MIC5156YM - Microchip Technology

Features

  • feature
    1% initial output voltage tolerance in most configurations
  • feature
    2% output voltage tolerance over temperature
  • feature
    <1u00b5A typical standby current
  • feature
    All v
  • feature
    Enable pin to activate or shutdown the regulator
  • feature
    Fixed output voltages of 3.3V, 5.0V (MIC5156)
  • feature
    Fixed output voltages of 3.3V, 5.0V, 12V (MIC5157)
  • feature
    Internal charge pump voltage tripler (MIC5157/8)
  • feature
    Internal gate-to-source protective clamp
  • feature
    Low external parts count
  • feature
    Optional current limit (35mV typical threshold)
  • feature
    Programmable (1.3 to 36V) with 2 resistors (MIC5156/8)

Description

LDO CONTROLLER ADJ 36V SOIC-8
The MIC5156, MIC5157, and MIC5158 Super Low-Dropout (LDO) Regulator Controllers are single IC solutions for high- current low-dropout linear voltage regulation. Super LDO™ Regulators have the advantages of an external N-channel power MOSFET as the linear pass element. The MIC5156/7/8 family features a dropout voltage as low as the RDS(ON) of the external power MOSFET multiplied by the output current. The output current can be as high as the largest MOSFETs can provide. The MIC5156/7/8 family operates from 3V to 36V. The MIC5156 requires an external gate drive supply to provide the higher voltage needed to drive the gate of the external MOSFET. The MIC5157 and MIC5158 each have an inter- nal charge pump tripler to produce the gate drive voltage. The tripler is capable of providing enough voltage to drive a logic-level MOSFET to 3.3V output from a 3.5V supply and is clamped to 17.5V above the supply voltage. The tripler requires three external capacitors. The regulator output is constant-current limited when the controller detects 35mV across an optional external sense resistor. An active-low open-collector flag indicates a low voltage of 8% or more below nominal output. A shutdown (low) signal to the TTL-compatible enable control reduces controller supply current to less than 1µA while forcing the output voltage to ground. The MIC5156-3.3 and MIC5156-5.0 controllers have inter- nally fixed output voltages. The MIC5156 [adjustable] output is configured using two external resistors. The MIC5157 is a fixed output controller which is externally configured to select

Specifications

Input Voltage Min:
3V
Input Voltage Max:
36V
Output Option:
Adjustable
External Pass Device:
N - Channel MOSFET
Controller IC Case Style:
SOIC
No. of Pins:
8Pins
Product Range:
-
Automotive Qualification Standard:
-
RoHS Phthalates Compliant:
Yes
MSL:
MSL 1 - Unlimited
SVHC:
No SVHC (27-Jun-2018)

Alternate Descriptions

Avnet America

LDO Cntrlr REG 1.3V to 36V 8-Pin SOIC

Avnet America product

Future Electronics

MIC5156 Series 1.3 - 36 V ADJ Output Surface Mount Super LDO Regulator - SOIC-8