13
LT1317/LT1317B
TYPICAL APPLICATIO S
U
2-Cell to 5V DC/DC Converter with Undervoltage Lockout
V
IN
LBI
SW
FB
LBO
LT1317
L1
10µH
D1
SHDN
33k
332k
1%
340k
1M
100k301k
1M
1%
3.3nF
470pF
1317 TA07
D1: MOTOROLA MBR0520LT1
L1: SUMIDA CD43-101
STARTS AT V
IN
= 1.9V
STOPS AT V
IN
= 1.6V
V
C
GND
2 ALKALINE
CELLS
5V
130mA
22µF
10V
+
100µF
10V
+
Universal Wall Cube to 4.1V
V
IN
SW
FB
LT1317/LT1317B
L1
22µH
D1
SHDN
33k
178k
8.2V
400mA
1M
3.3nF
100pF
1317 TA09
D1: MOTOROLA MBR0520LT1
L1: SUMIDA CD43-220
V
C
GND
SHUTDOWN
22µF
16V
+
47µF
16V
+
2 Li-ION
CELLS
(5.8V TO
8.4V)
22pF
2 Li-Ion to 8.2V DC/DC Converter
14
LT1317/LT1317B
TYPICAL APPLICATIO S
U
Single Li-Ion Cell to 4V/70mA, –4V/10mA
V
IN
LT1317
4.5V TO 2.5V
L1
22µH
L2
22µH
D1
FBSHDNSHUTDOWN
33k
442k
4V
70mA
1.00M
3.3nF
100pF
C1:
C2:
C3:
D1:
D2:
L1, L2:
MURATA GRM235Y5V107Z01
AVX TAJB336M010
AVX TAJA156M010
MBR0520
BAT54S (DUAL DIODE)
MURATA LQH3C220K04
1317 TA02
1µF
CERAMIC
1µF
CERAMIC
C2
33µF
C1
1µF
Li-Ion
CELL
V
C
GND
SW
+
C3
15µF
D2
4V
10mA
+
V
IN
SW
FB
LT1317B
L1
22µH
680
150pF
D2
D1
33k
5.9k
150k
3300pF
1317 TA11
C1: AVX TAJ156M010
C2: SANYO 35CV33GX
C3, C4, C5, C6: 0.1µF CERAMIC
D1, D2, D3: MOTOROLA MMBD914LT1
L1: MURATA LQH3C220
V
C
GND
V
IN
3V TO 6V
V
OUT
33V
0mA TO 10mA
C1
15µF
10V
+
+
C3
0.1µF
C2
10µF
35V
C4
0.1µF
C5
0.1µF
C6
0.1µF
D3
47
Low Noise 33V Varactor Bias Supply
15
LT1317/LT1317B
PACKAGE DESCRIPTION
U
Dimensions in inches (millimeters) unless otherwise noted.
Information furnished by Linear Technology Corporation is believed to be accurate and reliable.
However, no responsibility is assumed for its use. Linear Technology Corporation makes no represen-
tation that the interconnection of its circuits as described herein will not infringe on existing patent rights.
MS8 Package
8-Lead Plastic MSOP
(LTC DWG # 05-08-1660)
MSOP (MS8) 1197
* DIMENSION DOES NOT INCLUDE MOLD FLASH, PROTRUSIONS OR GATE BURRS. MOLD FLASH, 
 PROTRUSIONS OR GATE BURRS SHALL NOT EXCEED 0.006" (0.152mm) PER SIDE
** DIMENSION DOES NOT INCLUDE INTERLEAD FLASH OR PROTRUSIONS. 
 INTERLEAD FLASH OR PROTRUSIONS SHALL NOT EXCEED 0.006" (0.152mm) PER SIDE
0.021 ± 0.006
(0.53 ± 0.015)
0° – 6° TYP
SEATING
PLANE
0.007
(0.18)
0.040 ± 0.006
(1.02 ± 0.15)
0.012
(0.30)
REF
0.006 ± 0.004
(0.15 ± 0.102)
0.034 ± 0.004
(0.86 ± 0.102)
0.0256
(0.65)
TYP
12
3
4
0.192 ± 0.004
(4.88 ± 0.10)
8
7
6
5
0.118 ± 0.004*
(3.00 ± 0.102)
0.118 ± 0.004**
(3.00 ± 0.102)
S8 Package
8-Lead Plastic Small Outline (Narrow 0.150)
(LTC DWG # 05-08-1610)
1
2
3
4
0.150 – 0.157**
(3.810 – 3.988)
8
7
6
5
0.189 – 0.197*
(4.801 – 5.004)
0.228 – 0.244
(5.791 – 6.197)
0.016 – 0.050
0.406 – 1.270
0.010 – 0.020
(0.254 – 0.508)
× 45°
0°– 8° TYP
0.008 – 0.010
(0.203 – 0.254)
SO8 0996
0.053 – 0.069
(1.346 – 1.752)
0.014 – 0.019
(0.355 – 0.483)
0.004 – 0.010
(0.101 – 0.254)
0.050
(1.270)
TYP
DIMENSION DOES NOT INCLUDE MOLD FLASH. MOLD FLASH 
SHALL NOT EXCEED 0.006" (0.152mm) PER SIDE
DIMENSION DOES NOT INCLUDE INTERLEAD FLASH. INTERLEAD 
FLASH SHALL NOT EXCEED 0.010" (0.254mm) PER SIDE
*
**

LT1317BCS8

Mfr. #:
Manufacturer:
Analog Devices / Linear Technology
Description:
Switching Voltage Regulators LT1317 - Micropower, 600kHz PWM DC/DC Converters
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
T/T Paypal Visa MoneyGram Western Union