LT1300 查看數據表（PDF） - Linear Technology
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LT1300 Datasheet PDF : 8 Pages
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LT1300
TYPICAL APPLICATIONS N
Four-Cell to 5V/3.3V Up-Down Converter
2.5V ≤ VIN ≤ 8V
L1*
27µH
C2**
100µF
+
VIN
1.8V TO 6V
N/C
4×
AA
CELL +
5V/3.3V
C1**
100µF
ILIM
VIN
SELECT
SW
LT1300
SHUTDOWN SHDN
GND
SENSE
PGND
L2*
27µH
1N5817
5V/3.3V
220mA
80% EFFICIENT
+ C3**
100µF
*L1, L2 = GOWANDA GA20-272K
COILCRAFT DO3316-273K
SUMIDA CD73-270K
**C1, C2, C3 = SANYO OS-CON 16SA100M
LT1300 TA3
LCD Contrast Supply
T1
4
7
1
3
10
8
2
9 1N5819
N/C
+
100µF
N/C
VIN
SENSE
SW
SHDN
LT1300
SELECT
PGND
ILIM
GND
SHUTDOWN
CONTRAST
VOUT –4V TO –29V 12mA
MAXIMUM FROM 1.8V SUPPLY
(77% EFFICIENT)
20mA MAXIMUM FROM
3V SUPPLY (83% EFFICIENT)
150K
22µF
+ 35V
12K
Step-Up Converter with Automatic Output Disconnect
L1*
10µH
470Ω
1N5817
2N4403
5V, 200mA
T1 = DALE LPE-5047-AO45 (605) 665-9301
+
12K
2.2µF
PWM IN
0% TO 100%
CMOS DRIVE 0V TO 5V
LT1300 TA6
2×
AA
CELL +
SELECT
VIN
SHUTDOWN SHDN
SW
100µF
LT1300
NC ILIM
GND
SENSE
PGND
*SUMIDA CD54-100LC
COILCRAFT DO3316-223
+
100µF
0.1µF
LT1300 TA5
PACKAGE DESCRIPTION Dimensions in inches (millimeters) unless otherwise noted.
N8 Package
8-Lead Plastic DIP
S8 Package
8-Lead Plastic S0IC
0.300 – 0.320
(7.620 – 8.128)
0.045 – 0.065
(1.143 – 1.651)
0.130 ± 0.005
(3.302 ± 0.127)
0.400
(10.160)
MAX
8
7
6
5
0.009 – 0.015
(0.229 – 0.381)
+0.025
0.325 –0.015
( ) 8.255
+0.635
–0.381
0.010
(0.254
–
–
0.020
0.508)
×
45°
0.008 – 0.010
(0.203 – 0.254)
0.065
(1.651)
TYP
0.045 ± 0.015
(1.143 ± 0.381)
0.100 ± 0.010
(2.540 ± 0.254)
0.053 – 0.069
(1.346 – 1.752)
0°– 8° TYP
0.125
(3.175)
MIN
0.020
(0.508)
MIN
0.018 ± 0.003
(0.457 ± 0.076)
0.004 – 0.010
(0.101 – 0.254)
0.250 ± 0.010
(6.350 ± 0.254)
12
34
0.189 – 0.197*
(4.801 – 5.004)
8
7
6
5
N8 0392
0.016 – 0.050
0.406 – 1.270
0.014 – 0.019
(0.355 – 0.483)
0.050
(1.270)
BSC
0.228 – 0.244
(5.791 – 6.197)
0.150 – 0.
(3.810 – 3.
*THESE DIMENSIONS DO NOT INCLUDE MOLD FLASH OR PROTRUSIONS.
MOLD FLASH OR PROTRUSIONS SHALL NOT EXCEED 0.006 INCH (0.15mm).
1
2
34
SO8 0294
8
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7487
(408) 432-1900 q FAX: (408) 434-0507 q TELEX: 499-3977
LT/GP 0394 10K • PRINTED IN USA
© LINEAR TECHNOLOGY CORPORATION 1994
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