Datasheet

8
LT1300
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7487
[phone]
●
FAX : [phone]
●
TELEX : 499-3977
1
2
3
4
0.150 – 0.
(3.810 – 3.
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 0294
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)
BSC
*THESE DIMENSIONS DO NOT INCLUDE MOLD FLASH OR PROTRUSIONS.
MOLD FLASH OR PROTRUSIONS SHALL NOT EXCEED 0.006 INCH (0.15mm).
S8 Package
8-Lead Plastic S0IC
TYPICAL APPLICATIONS N
U
 LINEAR TECHNOLOGY CORPORATION 1994
LT/GP 0394 10K • PRINTED IN USA
PACKAGE DESCRIPTION
U
Dimensions in inches (millimeters) unless otherwise noted.
Four-Cell to 5V/3.3V Up-Down Converter
N8 Package
8-Lead Plastic DIP
N8 0392
0.009 – 0.015
(0.229 – 0.381)
0.300 – 0.320
(7.620 – 8.128)
0.325
+0.025
–0.015
+0.635
–0.381
8.255
()
0.045 ± 0.015
(1.143 ± 0.381)
0.100 ± 0.010
(2.540 ± 0.254)
0.065
(1.651)
TYP
0.045 – 0.065
(1.143 – 1.651)
0.130 ± 0.005
(3.302 ± 0.127)
0.020
(0.508)
MIN
0.018 ± 0.003
(0.457 ± 0.076)
0.125
(3.175)
MIN

12
3
4
876
5
0.250 ± 0.010
(6.350 ± 0.254)


0.400
(10.160)
MAX
+
100µF
22µF
35V
CONTRAST 
V
OUT
–4V TO –29V 12mA
MAXIMUM FROM 1.8V SUPPLY 
(77% EFFICIENT)
20mA MAXIMUM FROM 
3V SUPPLY (83% EFFICIENT)
2.2µF
SW
PWM IN
0% TO 100%
CMOS DRIVE 0V TO 5V
150K
12K
12K
1
10
8
2
9
3
7
4
I
LIM
PGND
GND
SENSE
LT1300
SELECT
LT1300 TA6
1N5819
T1
T1 = DALE LPE-5047-AO45 [phone]
SHDN
SHUTDOWN
N/C
N/C
V
IN
V
IN
1.8V TO 6V
+
+
1N5817
2N4403
5V, 200mA
+
L1*
10µH
*SUMIDA CD54-100LC 
COILCRAFT DO3316-223
100µF
100µF
470Ω
0.1µF
2×
AA
CELL
SW
I
LIM
PGND
GND
SENSE
LT1300
SELECT
LT1300 TA5
SHDN
NC
SHUTDOWN
V
IN

+
Step-Up Converter with Automatic Output Disconnect
LCD Contrast Supply
1N5817
5V/3.3V
220mA
80% EFFICIENT
+
L1*
27µH
*L1, L2 = GOWANDA GA20-272K
COILCRAFT DO3316-273K
SUMIDA CD73-270K
**C1, C2, C3 = SANYO OS-CON 16SA100M
L2*
27µH
C1**
100µF
C2**
100µF
C3**
100µF
4×
AA
CELL
SW
I
LIM
PGND
GND
SENSE
LT1300
SELECT
LT1300 TA3
5V/3.3V
2.5V ≤ V
IN
≤ 8V
SHDN
SHUTDOWN
N/C
V
IN

+
+