LTC3534 Linear Dimensions Semiconductor, LTC3534 Datasheet - Page 15

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

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TYPICAL APPLICATIONS
3.6V TO 6.4V
V
IN
L1: COILCRAFT MSS7341
4 ALKALINE/
NiMH CELLS
+
4 Alkaline/NiMH Cells to 5V Effi ciency vs I
BURST PWM
R
200k
SS
C
0.056μF
SS
100
90
80
70
60
50
40
30
20
10
10μF
0.01
C
4 Alkaline/NiMH to 5V at 500mA
IN
Burst
Mode
OPERATION
0.1
SW1
PV
V
RUN/SS
PWM
PGND1 GND
IN
IN
LOAD CURRENT (mA)
LTC3534
1
5μH
L1
PGND2
V
SW2
10
OUT
FB
V
C
V
V
V
100
IN
IN
IN
R
10k
330pF
= 3.6V
= 5V
= 6.4V
FF
3534 TA02b
C
C
33pF
P1
Z1
10pF
C
1000
P2
15k
LOAD
R
Z
3534 TA02a
C
22μF
OUT
R1
649k
R2
162k
V
5V
500mA
OUT
LTC3534
15
3534f