LT1579CS8-3#PBF Linear Technology, LT1579CS8-3#PBF Datasheet - Page 8
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LT1579CS8-3#PBF
Manufacturer Part Number
LT1579CS8-3#PBF
Description
IC LDO REG SMART DUAL 3V 8-SOIC
Manufacturer
Linear Technology
Datasheet
1.LT1579CS-5.pdf
(20 pages)
Specifications of LT1579CS8-3#PBF
Function
Back-Up Management
Battery Type
Smart Batteries
Operating Temperature
0°C ~ 125°C
Mounting Type
Surface Mount
Package / Case
8-SOIC (0.154", 3.90mm Width)
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
LT1579
8
TYPICAL PERFORMANCE CHARACTERISTICS
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
25
20
15
10
25
20
15
10
0
5
0
0
5
– 50 – 25
Logic Flag Input Current
(Output High)
Adjust Pin Input Current
0
0
Low-Battery Comparator
Hysteresis
I
LBO(SINK)
T
V
J
IN1
0.2
1
= 25 C
= V
0.4
2
IN2
LOGIC FLAG VOLTAGE (V)
ADJUST PIN VOLTAGE (V)
= 50 A
0
0.6
TEMPERATURE ( C)
= 0V
3
0.8
25
4
1.0
50
5
1.2
6
1.4
75
W
7
1.6
100
1579 G22
1.8
8
1579 G25
1579 G28
U
125
2.0
9
0.6
0.5
0.4
0.3
0.2
0.1
20
15
10
25
20
15
10
25
0
0
0
5
5
0
Control Pin Input Current
Reverse Output Current
0
Current Limit
0
T
V
CURRENT FLOWS INTO
OUTPUT PIN
V
J
IN1
OUT
= 25 C
1
1
1
= V
= 0V
IN2
CONTROL PIN VOLTAGE (V)
2
2
LT1579-3
OUTPUT VOLTAGE (V)
2
= 0V
LT1579-3.3
INPUT VOLTAGE (V)
3
3
3
4
4
LT1579-5
5
5
4
6
6
5
7
7
6
1579 G23
1579 G26
1579 G29
8
8
9
7
9
0.7
0.6
0.5
0.4
0.3
0.2
20
18
16
14
12
10
0.1
20
10
15
8
6
4
2
0
5
0
0
– 50
– 50
0
Low-Battery Comparator
Hysteresis
Reverse Output Current
Current Limit
V
V
V
V
V
IN1
OUT
OUT
OUT
IN1
V
– 25
–25
OUT
= V
= V
= 3V (LT1579-3)
= 3.3V (LT1579-3.3)
= 5V (LT1579-5)
GUARANTEED
10
= – 0.1V
IN2
IN2
I
LBO
0
0
= 0V
TEMPERATURE ( C)
= V
TEMPERATURE ( C)
SINK CURRENT ( A)
OUT(NOMINAL)
20
25
25
50
50
30
TYPICAL
+ 1V
75
75
40
100
100
1579 G38
1579 G27
1579 G24
125
125
50