參數(shù)資料
型號(hào)： LT1239
廠(chǎng)商： Linear Technology Corporation
英文描述： Backup Battery Management Circuit(后備電池管理電路)
中文描述： 備份電池管理電路（后備電池管理電路）
文件頁(yè)數(shù)： 12/12頁(yè)
文件大小： 211K
代理商： LT1239
12
LT1239
TYPICAL APPLICATIO
N
S
NiCd Backup System with 20mA Charge Current
NiCd Backup System with 5mA Trickle Charge
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7487
(408) 432-1900
G
FAX
: (408) 434-0507
G
TELEX
: 499-3977
LT/GP 0695 10K PRINTED IN USA
LINEAR TECHNOLOGY CORPORATION 1995
RELATED PARTS
PART NUMBER
LT1111
LT1120A
LT1121
LTC
1232
LTC1325
LTC1443/LTC1444/LTC1445
LT1510
DESCRIPTION
Micropower DC/DC Converter with Adjustable or Fixed 5V or 12V Output
Micropower Regulator and Comparator with Shutdown
Micropower Regulator with Shutdown
Microprocessor Supervisory Circuit
Microprocessor-Controlled Battery Management System
Quad Micropower Comparators with Reference
Programmable PWM Battery Charger with 2A Peak Current Capability
COMMENTS
Low-Battery Detector
20
μ
A Supply Current
0.4V Dropout Voltage at 150mA
Minimum External Components
Charges Battery and Provides Gas Gauge
6
μ
A Quiescent Current
Charges NiCd, NiMH
LT1239
IN 1
SHDN1
IN2
SHDN2
5V
IN
OUT 1
ADJ
I
MON1
E/A (IN)
E/A (0UT)
OUT 2
I
MON2
LT1239 TA03
+
+
10
μ
F
MAIN
BATTERY
PACK
NiCd
BACKUP
BATTERIES
165k
5
μ
F
+
10
μ
F
MEMORY
POWER
MONITORING
CIRCUITRY
5V POWER
SYSTEM
+
1
μ
F
GND
LT1239
IN 1
SHDN1
IN2
SHDN2
5V
IN
OUT 1
ADJ
I
MON1
E/A (IN)
E/A (0UT)
OUT2
I
MON2
LT1239 TA02
+
+
10
μ
F
MAIN
BATTERY
PACK
6V NiCd
BACKUP
BATTERY
750k
650k
5
μ
F
+
10
μ
F
MEMORY
POWER
MONITORING
CIRCUITRY
5V POWER
SYSTEM
GND
50
S Package
16-Lead Plastic DIP
Dimension in inches (millimeters) unless otherwise noted.
PACKAGE DESCRIPTIO
N
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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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LT1239_02 制造商:LINER 制造商全稱(chēng):Linear Technology 功能描述:Backup Battery Management Circuit
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