LT1239CS Linear Technology, LT1239CS Datasheet - Page 12

• Manufacturer Part Number: LT1239CS
• Description: IC BATT BACKUP MNGMNT SYS 16SOIC
• Manufacturer: Linear Technology

Specifications of LT1239CS

• Function: Back-Up Management
• Battery Type: Lithium-Ion (Li-Ion); Nickel-Metal Hydride (NiMH)
• Voltage - Supply: 7 V ~ 30 V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 16-SOIC (0.154", 3.90mm Width)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

PACKAGE
PART NUMBER
LT1111
LT1120A
LT1121
LTC
LTC1325
LTC1443/LTC1444/LTC1445 Quad Micropower Comparators with Reference
LT1510
LT1239
RELATED PARTS
12
TYPICAL APPLICATIONS
BATTERY
MAIN
PACK
LT1239 • TA02
®
1232
5V POWER
SYSTEM
NiCd Backup System with 20mA Charge Current
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7487
[phone]
+
5 F
DESCRIPTION
IN 1
SHDN1
IN2
SHDN2
5V
IN
FAX
(0.203 – 0.254)
0.008 – 0.010
: [phone]
LT1239
GND
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
Programmable PWM Battery Charger with 2A Peak Current Capability
E/A (0UT)
E/A (IN)
(0.254 – 0.508)
OUT 1
I
I
0.010 – 0.020
OUT2
MON1
MON2
ADJ
0.016 – 0.050
0.406 – 1.270
+
U
TELEX
10 F
45
U
: 499-3977
650k
750k
50
MEMORY
+
Dimension in inches (millimeters) unless otherwise noted.
0 – 8 TYP
10 F
MONITORING
CIRCUITRY
POWER
16-Lead Plastic DIP
6V NiCd
BACKUP
BATTERY
(5.791 – 6.197)
(1.346 – 1.752)
0.228 – 0.244
0.053 – 0.069
S Package
*THESE DIMENSIONS DO NOT INCLUDE MOLD FLASH OR PROTRUSIONS.
(0.355 – 0.483)
0.014 – 0.019
MOLD FLASH OR PROTRUSIONS SHALL NOT EXCEED 0.006 INCH (0.15mm).
BATTERY
LT1239 • TA03
MAIN
PACK
16
1
5V POWER
SYSTEM
15
2
NiCd Backup System with 5mA Trickle Charge
+
14
3
5 F
(9.804 – 10.008)
0.386 – 0.394*
13
4
(1.270)
0.050
TYP
IN 1
SHDN1
IN2
SHDN2
5V
12
5
IN
LT1239
COMMENTS
Low-Battery Detector
20 A Supply Current
0.4V Dropout Voltage at 150mA
Minimum External Components
Charges Battery and Provides Gas Gauge
6 A Quiescent Current
Charges NiCd, NiMH
GND
11
6
E/A (0UT)
E/A (IN)
OUT 1
I
OUT 2
I
MON1
MON2
10
7
ADJ
LINEAR TECHNOLOGY CORPORATION 1995
9
8
+
LT/GP 0695 10K • PRINTED IN USA
(0.101 – 0.254)
0.004 – 0.010
(3.810 – 3.988)
0.150 – 0.157*
10 F
165k
BATTERIES
SO16 0893
BACKUP
MEMORY
+
NiCd
1 F
MONITORING
CIRCUITRY
+
POWER
10 F