LTC3127 Linear Technology, LTC3127 Datasheet - Page 16

• Manufacturer Part Number: LTC3127
• Description: 1A Buck-Boost DC/DC Converter
• Manufacturer: Linear Technology

LTC3127
Typical applicaTions

C1, C2: VISHAY TANTAMOUNT
TANTALUM, LOW ESR CAPACITORS
L1: COILCRAFT XPL4020-472ML
C1, C2, C3: VISHAY TANTAMOUNT
TANTALUM, LOW ESR CAPACITORS
L1: COILCRAFT XPL4020-472ML
PWM
PCMCIA/Compact Flash (3.3V or 5V/500mA Max), 3.8V GPRS, Class 10 Pulsed Load
PWM
OFF
BURST
3.3V OR
USB
OFF
BURST
V
ON
IN
V
5V
IN
ON
10µF
10µF
USB (500mA Max), 3.8V GSM Pulsed Load
32.4k
32.4k
MODE
SHDN
PROG
V
IN
V
MODE
SHDN
PROG
SW1
IN
SGND
SW1
SGND
LTC3127
4.7µH
LTC3127
L1
4.7µH
L1
PGND
PGND
SW2
V
100pF
SW2
OUT
FB
V
V
100pF
C
OUT
FB
V
C
499k
499k
2.15M
1M
2.15M
1M
C1
2.2mF
C1
2.2mF
3127 TA02
C2
2.2mF
www.DataSheet4U.com
3127 TA03
C2
2.2mF
C3
2.2mF
V
3.8V
V
3.8V
OUT
OUT
3127f