ML4861 View Datasheet(PDF) - Micro Linear Corporation

Part Name

Description

MFG CO.

ML4861

Low Voltage Boost Regulator

Micro Linear Corporation 

1 2 3 4 5 6 7 8 9 10

ML4861

VIN

100µF

0.1µF

27µH

(Sumida CD75)

ML4861

VIN PWR GND

VREF

RESET

GND

VL

DETECT VOUT

100µF

VOUT

IOUT

Figure 1. Application Test Circuit

L1

VIN

6

VL

START-UP

RQ

S

Q1

10µs

ONE SHOT

Q2

+

A2

–

–

A1

+

VREF

VOUT

5

R1

+

C1 VOUT

–

R2

Figure 2. PFM Regulator Block Diagram

4

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