RT5760

Copyright © 2019 Richtek Technology Corporation. All rights reserved.

is a registered trademark of Richtek Technology Corporation.

DS5760-02

December

2019

www.richtek.com

11

Typical Application Circuit

*CFF : Optional for performance fine-tune

**PG : RT5760A/B only.

EN

RT5760

FB

GND

VIN

VIN

10

μF

CIN

**PG

L

COUT

SW

VOUT

RFB1

3

5

2

4

6

1

Enable

CIN

0.1

μF

RFB2

*CFF

10

μF

VPG

100k

RPG

Table 1. Suggested Component Values

VOUT (V)

RFB1 (k)

RFB2 (k)

L (

H)

3.3

45

10

1

1.8

20

10

1

1.5

15

10

1

1.2

10

10

1

1.05

7.5

10

1

1

6.65

10

1

Table 2. Recommended External Components

Component

Description

Vendor P/N

CIN

10

F, 6.3V, X5R, 0603 0603X106M6R3 (WALSIN)

GRM188R60J106ME84 (MURATA)

*COUT

10

F, 6.3V, X5R, 0603 0603X106M6R3 (WALSIN)

GRM188R60J106ME84 (MURATA)

L

1

H

DFE252010F-1R0M (MURATA)

HMLQ25201T-1R0MSR (CYNTEC)

*COUT : Considering the effective capacitance de-rated with biased voltage level and size, the COUT component

needs satisfy the effective capacitance at least 4

F for VOUT = 3.3V and 7F for VOUT  3.3V for stable and

normal operation.