LT1579CS-5#PBF Linear Technology, LT1579CS-5#PBF Datasheet - Page 8

• Manufacturer Part Number: LT1579CS-5#PBF
• Description: IC LDO REG SMART DUAL 5V 16-SOIC
• Manufacturer: Linear Technology

Specifications of LT1579CS-5#PBF

• Function: Back-Up Management
• Battery Type: Smart Batteries
• Operating Temperature: 0°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 16-SOIC (0.154", 3.90mm Width)
• Primary Input Voltage: 20V
• Output Voltage Fixed: 5V
• Dropout Voltage Vdo: 400mV
• No. Of Pins: 16
• Output Current: 300mA
• Voltage Regulator Case Style: SOIC
• Operating Temperature Range: 0°C To +125°C
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

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