LTC3530

13

3530fb

SW1

SHDN/SS

SW2

FB

BURST

LTC3530

10μF

0.01μF

L1: TDK RLF7030T-3R3M4R

2.7V TO 4.2V

Li-Ion

10k

R1

1M

15k

L1

3.3μH

22μF

33pF

3.3V

500mA

R2

576k

560pF

3530 TA02

33.2k

BURST FIXED FREQ

1M

GND

SW1

SHDN/SS

SW2

FB

BURST

LTC3530

L1: TDK RLF7030T-4R7M3R4

10k

R1

1M

200k

15k

0.01μF

33pF

3.3V

500mA

R2

576k

560pF

3530 TA03

1M

L1

4.7μH

22μF

GND

+

IN1

IN2

NTC

WALL

SHDN

SUSP

HPWR

OUT

Li-Ion

CELL

10μF

1Ω

10μF

TIMER PROG

LTC4055

CLPROG

GND

BAT

CHRG

ACPR

0.1μF

97.6k

97.6k

SUSPEND USB POWER

500mA/100mA SELECT

5V (NOM)

FROM USB

33.2k

0.01μF

1MHz Li-Ion to 3.3V at 500mA Converter with Manual Mode Control

1MHz Li-Ion to 3.3V/600mA Converter with USB Power Input Option,

Li Battery Charger and Power Path Management.

TYPICAL APPLICATIONS