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

• 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

TYPICAL PERFORMANCE CHARACTERISTICS
5.12
5.09
5.06
5.03
5.00
4.97
4.94
4.91
4.88
0.8
0.7
0.6
0.5
0.1
0.4
0.3
0.2
0
7
6
4
3
2
0
5
1
– 50
– 50
0
Guaranteed Dropout Voltage
LT1579-5 Output Voltage
Quiescent Current in Shutdown
V
V
V
I
LOAD
= TEST POINTS
IN1
IN2
SHDN
– 25
– 25
50
= 20V
= 6V
= 1mA
= 0V
OUTPUT CURRENT (mA)
0
0
100
TEMPERATURE ( C)
TEMPERATURE ( C)
T
J
25
25
125 C
150
50
50
T
J
200
= 25 C
I
I
VIN1
VIN2
75
75
W
250
100
100
1579 G36
1579 G35
1579 G05
U
125
300
125
3.08
3.06
3.04
3.02
3.00
2.98
2.96
2.94
2.92
1.54
1.53
1.52
1.51
1.50
1.49
1.48
1.47
1.46
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
– 50
– 50
– 50
Adjust Pin Voltage
Dropout Voltage
LT1579-3 Output Voltage
I
I
A: I
B: I
C: I
D: I
E: I
F: I
LOAD
LOAD
– 25
– 25
– 25
LOAD
LOAD
LOAD
LOAD
LOAD
LOAD
= 1mA
= 1mA
= 1mA
= 10mA
= 300mA
= 150mA
= 100mA
= 50mA
0
0
0
TEMPERATURE ( C)
TEMPERATURE ( C)
TEMPERATURE ( C)
25
25
25
50
50
50
75
75
75
100
100
100
1579 G01
1579 G03
1579 G05
A
B
C
D
E
F
125
125
125
3.38
3.36
3.34
3.32
3.30
2.28
2.26
2.24
2.22
100
60
50
40
30
20
10
90
80
70
60
50
40
30
20
10
0
0
–0.2
– 50
– 50
Quiescent Current
LT1579-3.3 Output Voltage
Input Current
I
V
R
R
LOAD
–0.1
IN
L
L
– 25
=
= 500k (ADJUSTABLE)
–25
I
= 6V
IN2
= 1mA
0
(FIXED)
0.1
0
0
TEMPERATURE ( C)
TEMPERATURE ( C)
V
IN1
OPERATING
0.2
QUIESCENT
QUIESCENT
CURRENT
STANDBY
CURRENT
25
25
I
IN1
– V
0.3
OUT
50
50
0.4
(V)
LT1579
0.5
75
75
V
V
I
0.6
LOAD
OUT
IN2
100
100
= 6V
0.7
= 5V
1579 G02
1579 G07
1579 G04
= 0
5
125
125
0.8