LT1239CS Linear Technology, LT1239CS Datasheet - Page 5

• 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

TYPICAL PERFORMANCE CHARACTERISTICS
250
200
150
100
400
350
300
250
200
150
100
50
50
0
0
0
0
Regulator 2 I
Output Current
Comparator Output Saturation
Voltage vs Output Current
V
V
10
IN2
IMON2
= 6.8V
10
20
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
= 0V
OUTPUT CURRENT (mA)
OUTPUT CURRENT (mA)
0
–50
30
Shutdown Pin Threshold
MON2
20
40
–25
(OFF-TO-ON)
I
LOAD
50
Current vs
= 1mA
30
60
0
TEMPERATURE ( C)
70
25
W
40
80
(ON-TO-OFF)
I
LT1239 • TPC04
LT1239 • TPC07
LOAD
50
90
(OFF-TO-ON)
I
LOAD
= 1mA
U
100
50
75
= 30mA
LT1239 • TPC10
100
125
250
200
150
100
50
20
18
16
14
12
10
0
8
6
4
2
0
0
0
Regulator 1 I
Output Current
Regulator 1 Reverse Output
Current vs Output Voltage
V
1
IMON1
V
OUT1
10
2
= 0V
OUTPUT CURRENT (mA)
V
OUTPUT VOLTAGE (V)
IN1
3
= 3.75V
= 5V
V
ADJ (PIN 1) = V
20
MON
IN1
4
= 0V
V
5
OUT1
V
Current vs
IN1
30
6
= 6.8V
V
V
= 24V
IN1
OUT1
7
OUT
= 5V
= 3.75V
40
(PIN 16)
8
LT1239 • TPC05
LT1239 • TPC08
30
25
20
15
10
9
5
0
0
Regulator 2, Error Amp, Low-
Battery Detector Quiescent Current
50
10
1
INPUT 2 VOLTAGE, PIN 10 (V)
2
3
40
35
30
25
20
15
10
20
18
16
14
12
10
5
0
8
6
4
2
0
V
SHDN2
4
Regulator 1, Comparator Quiescent
Current vs Input Voltage, Pin 14
0
Regulator 2 Reverse Output
Current vs Output Voltage
0
5
1
= OPEN CIRCUIT
6
2
INPUT VOLTAGE, PIN 14 (V)
V
(REGULATOR 2
IN SHUTDOWN)
(REGULATOR 1 IN SHUTDOWN)
OUTPUT VOLTAGE (V)
SHDN2
7
3
V
ADJ
8
4
LT1239 • TPC11
= 0V
(PIN 1) = V
9
V
5
5
PIN3
10
6
LT1239
= 0V
OUT
7
(PIN 16)
8
LT1239 • TPC06
LT1239 • TPC09
5
9
10
10