LTC3534 Linear Dimensions Semiconductor, LTC3534 Datasheet - Page 17

• Manufacturer Part Number: LTC3534
• Description: 500mA Synchronous Buck-Boost DC
• Manufacturer: Linear Dimensions Semiconductor

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TYPICAL APPLICATIONS
2.7V TO 4.2V
V
IN
L1: TDK RLF7030
1 Li-Ion
CELL
+
BURST PWM
R
200k
SS
100
C
0.056μF
90
80
70
60
50
40
30
20
10
SS
0.01
Li-Ion to 3.3V Effi ciency vs I
Burst
Mode
OPERATION
C
10μF
Li-Ion to 3.3V at 400mA
IN
0.1
SW1
PV
V
RUN/SS
PWM
PGND1 GND
LOAD CURRENT (mA)
IN
IN
1
LTC3534
3.3μH
L1
PGND2
10
V
SW2
OUT
FB
V
C
V
V
V
100
IN
IN
IN
LOAD
= 2.7V
= 3.6V
= 4.2V
3534 TA04b
R
10k
470pF
C
FF
C
66pF
P1
1000
Z1
10pF
C
P2
15k
R
Z
3534 TA04a
C
22μF
OUT
R2
162k
R1
374k
V
3.3V
400mA
OUT
LTC3534
17
3534f