LT1239CS Linear Technology, LT1239CS Datasheet - Page 3

• 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

PARAMETER
Regulator 1 (Notes 7, 8)
Shutdown Threshold
Shutdown Pin Current (Note 13)
Quiescent Current in Shutdown (Note 10)
Ripple Rejection
Current Limit
Reverse Output Current
Current Monitor Pin Output Current
Comparator
Output Saturation Voltage (V
Low-Battery Detector
Turn-Off Threshold
Turn-On Threshold
Hysteresis
Regulator 2
Regulated Output Voltage
Output Voltage Temperature Coefficient
Line Regulation
Load Regulation
Ground Pin Current
Shutdown Threshold
Shutdown Pin Current
Ripple Rejection
Current Limit
Reverse Output Current
Current Monitor Pin Output Current
Error Amplifier
Bias Current
ELECTRICAL CHARACTERISTICS
5VIN
– V
OUT2
)
CONDITIONS
V
V
V
V
V
f
V
V
V
V
V
V
V
V
V
V
T
T
T
V
I
V
V
V
V
I
I
I
V
V
V
V
f
V
V
V
V
V
V
V
V
RIPPLE
OUT2
LOAD
LOAD
LOAD
RIPPLE
J
J
J
OUT1
OUT1
SHDN1
IN1
IN1
IN1
OUT1
OUT1
OUT1
OUT1
OUT1
OUT1
IN1
IN1
IN1
IN2
IN2
IN2
IN2
IN2
OUT2
OUT2
SHDN2
IN2
IN2
OUT2
OUT2
OUT2
OUT2
OUT2
OUT2
E/A(IN)
= 25 C
= 25 C
= 25 C
= 24V, V
= 5V (Avg), V
= 7V, V
= 7V, V
= 7V, V
= 7V, V
= 6.8V, I
= 6.8V, I
= 6.8V, I
= 6.8V, I
= 6.8V, I
= 6.4V (Avg), V
= 6.8V, V
= 1mA, V
= 0mA, V
= 30mA, V
= 50mA, V
= Off to On
= On to Off
= V
= 3.75V, V
= 3.75V, V
= 3.75V, V
= 3.75V, V
= 3.75V, V
= Off to On
= On to Off
= V
= 4.85V, V
= 4.85V, V
= 6.8V, V
= 6.8V, V
= 6.8V, V
= 120Hz, I
= 120Hz, I
= 0V
= 0V
= 3.4V, V
OUT1(NOM)
OUT2(NOM)
OUT1
IN2
IN2
IN2
SHDN1
OUT
LOAD
LOAD
LOAD
LOAD
OUT2
IN2
IN2
= 0V, V
= 0V, V
= 0V, V
IMON2
IMON2
IMON2
IN2
IN2
IN1
IN1
IMON1
IMON1
IMON1
IN2
IN2
IN2
= 0V, T
LOAD
= 1mA, T
LOAD
RIPPLE
= 5.4V to 10V
= 1mA to 30mA, T
= 1mA to 30mA
= 1mA to 50mA, T
= 1mA to 50mA
= 5.4V
= 0V, T
= 0V
= 5.4V
= 5.4V
RIPPLE
– 100mV, T
< 3.75V
= Open Circuit
– 100mV, T
< 4.85V
= Open Circuit
= 6.8V
= 0V, I
= 0V, I
= 0V, I
= 20mA, T
5VIN
5VIN
5VIN
= 20mA, T
= 0V, I
= 0V, I
= 0V, I
J
= 0.5V
= 25 C
J
J
= 0.5V
= 5V, I
= 5V, I
= 5V, I
25 C
= 25 C
OUT2
OUT2
OUT2
OUT1
OUT1
OUT1
P-P
J
J
J
P-P
J
= 25 C
= 25 C
= 1mA
= 10mA
= 50mA
OUT2
OUT2
OUT2
= 25 C
= 25 C
= 1mA
= 10mA
= 50mA
J
J
= 25 C
= 25 C
= 1mA
= 30mA
= 50mA
4.775
0.25
4.85
0.25
MIN
0.2
50
30
40
38
50
30
40
35
4.850
– 0.5
1.20
0.75
5.00
0.80
1.35
1.20
0.75
TYP
215
– 12
– 20
– 20
– 30
210
110
135
4.6
5.3
0.3
1.7
4.7
10
59
50
70
44
12
16
58
50
70
41
2
6
6
2
6
6
3
4.925
MAX
5.15
– 25
– 50
150
220
2.8
1.2
2.8
16
12
12
50
40
25
12
12
47
20
4
5
4
LT1239
UNITS
mV/ C
3
mA
mA
mV
mV
mV
mV
mV
mV
mV
mV
mA
mA
mA
mA
dB
dB
nA
V
V
A
A
A
A
A
A
A
V
V
V
V
A
V
V
A
A
A
A
A
A