参数资料
型号: LT1239CS#TR
厂商: LINEAR TECHNOLOGY CORP
元件分类: 电源管理
英文描述: 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO16
封装: 0.150 INCH, PLASTIC, SOP-16
文件页数: 4/12页
文件大小: 235K
代理商: LT1239CS#TR
12
LT1239
TYPICAL APPLICATIONS
U
NiCd Backup System with 5mA Trickle Charge
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7487
(408) 432-1900 q FAX: (408) 434-0507 q TELEX: 499-3977
LT/GP 0695 10K PRINTED IN USA
LINEAR TECHNOLOGY CORPORATION 1995
RELATED PARTS
PART NUMBER
DESCRIPTION
COMMENTS
LT1111
Micropower DC/DC Converter with Adjustable or Fixed 5V or 12V Output
Low-Battery Detector
LT1120A
Micropower Regulator and Comparator with Shutdown
20
A Supply Current
LT1121
Micropower Regulator with Shutdown
0.4V Dropout Voltage at 150mA
LTC
1232
Microprocessor Supervisory Circuit
Minimum External Components
LTC1325
Microprocessor-Controlled Battery Management System
Charges Battery and Provides Gas Gauge
LTC1443/LTC1444/LTC1445
Quad Micropower Comparators with Reference
6
A Quiescent Current
LT1510
Programmable PWM Battery Charger with 2A Peak Current Capability
Charges NiCd, NiMH
LT1239
IN 1
SHDN1
IN2
SHDN2
5VIN
OUT 1
ADJ
IMON1
E/A (IN)
E/A (0UT)
OUT 2
IMON2
LT1239 TA03
+
10
F
MAIN
BATTERY
PACK
NiCd
BACKUP
BATTERIES
165k
5
F
+
10
F
MEMORY
POWER
MONITORING
CIRCUITRY
5V POWER
SYSTEM
+
1
F
GND
LT1239
IN 1
SHDN1
IN2
SHDN2
5VIN
OUT 1
ADJ
IMON1
E/A (IN)
E/A (0UT)
OUT2
IMON2
LT1239 TA02
+
10
F
MAIN
BATTERY
PACK
6V NiCd
BACKUP
BATTERY
750k
650k
5
F
+
10
F
MEMORY
POWER
MONITORING
CIRCUITRY
5V POWER
SYSTEM
GND
50
NiCd Backup System with 20mA Charge Current
S Package
16-Lead Plastic DIP
Dimension in inches (millimeters) unless otherwise noted.
PACKAGE DESCRIPTION
U
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)
1
2
3
4
5
6
7
8
0.150 – 0.157*
(3.810 – 3.988)
16
15
14
13
0.386 – 0.394*
(9.804 – 10.008)
0.228 – 0.244
(5.791 – 6.197)
12
11
10
9
SO16 0893
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
*THESE DIMENSIONS DO NOT INCLUDE MOLD FLASH OR PROTRUSIONS.
MOLD FLASH OR PROTRUSIONS SHALL NOT EXCEED 0.006 INCH (0.15mm).
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