LT1317 LINER [Linear Technology], LT1317 Datasheet - Page 13

• Manufacturer Part Number: LT1317
• Description: Micropower, 600kHz PWM DC/DC Converters
• Manufacturer: LINER [Linear Technology]

TYPICAL APPLICATIO S
2 ALKALINE
CELLS
(5.8V TO
2 Li-ION
CELLS
D1: MOTOROLA MBR0520LT1
L1: SUMIDA CD43-101
STARTS AT V
STOPS AT V
1.5V TO
8.4V)
10V
V
U
+
IN
2-Cell to 5V DC/DC Converter with Undervoltage Lockout
D1: MOTOROLA MBR0520LT1
L1: SUMIDA CD43-220
+
D1: MOTOROLA MBR0520LT1
L1: COILTRONICS CTX20-1
Q1: 2N3904
22 F
10V
+
IN
IN
= 1.6V
15 F
20V
= 1.9V
SHUTDOWN
22 F
16V
301k
340k
2 Li-Ion to 8.2V DC/DC Converter
Q1
100k
Universal Wall Cube to 4.1V
100pF
SHDN
100k
1M
V
SHDN
V
LT1317/LT1317B
V
V
470pF
IN
C
IN
C
33k
33k
LT1317
3.3nF
20 H
3.3nF
L1A
22 H
L1
SHDN
LBO
V
LBI
IN
GND
SW
GND
SW
FB
LT1317
10 F, 16V
FB
CERAMIC
10 H
L1
D1
GND
SW
FB
V
C
L1B
22pF
D1
432k
1%
33k
1M
1%
178k
1M
3.3nF
D1
+
+
1317 TA08
332k
1%
1317 TA09
47 F
10V
V
4.1V
110mA
47 F
16V
8.2V
400mA
OUT
1M
1%
+
LT1317/LT1317B
1317 TA07
100 F
10V
5V
130mA
13