lt1575cs8-trpbf Linear Technology Corporation, lt1575cs8-trpbf Datasheet - Page 5

• Manufacturer Part Number: lt1575cs8-trpbf
• Description: Lt1577 - Ultrafast Transient Response, Low Dropout Regulators Adjustable And Fixed
• Manufacturer: Linear Technology Corporation

TYPICAL PERFORMANCE CHARACTERISTICS
0.030
0.025
0.020
0.015
0.010
0.005
3.00
2.75
2.50
2.25
2.00
1.75
1.50
1.25
1.00
0
–75
–75
V
vs Temperature
Gate Output Swing Low
vs Temperature
REF
– 50
– 50
/V
–25
–25
OUT
NO LOAD
TEMPERATURE ( C)
0
0
TEMPERATURE ( C)
Line Regulation
I
65
60
55
50
45
40
35
LOAD
25
25
–75
Current Limit Threshold Voltage
vs Temperature
50
= 50mA
50
– 50
75
75
–25
100
100
W
0
TEMPERATURE ( C)
125
125
IPOS = 5V
IPOS = 3V
25
1575/77 G10
1575/77 G13
150
150
U
50
175
175
IPOS = 20V
75
100
125
120
115
110
105
100
3.0
2.5
2.0
1.5
1.0
0.5
95
90
85
80
75
70
1575/77 G16
0
150
–75
–75
Error Amplifier Large-Signal
Voltage Gain vs Temperature
Gate Output Swing High
vs Temperature
175
– 50
– 50
–25
–25
I
LOAD
TEMPERATURE ( C)
0
0
TEMPERATURE ( C)
NO LOAD
25
25
= 50mA
50
50
75
75
100
100
– 0.1
– 0.2
– 0.3
– 0.4
– 0.5
125
0
125
–75
Current Limit Threshold Voltage
Line Regulation vs Temperature
1575/77 G14
1575/77 G11
150
150
– 50
175
175
–25
0
TEMPERATURE ( C)
25
1000
200
150
100
700
500
300
900
800
600
400
50
0
50
1k
–75
Gain and Phase vs Frequency
IPOS + INEG Supply Current
vs Temperature
– 50
75
IPOS = INEG = 12V
IPOS = INEG = 20V
100
–25 0
LT1575/LT1577
10k
GAIN
IPOS = INEG = 5V
125
TEMPERATURE ( C)
FREQUENCY (Hz)
1575/77 G17
150
100k
25
PHASE
IPOS = INEG = 3V
175
50
75
1M
100
10M
125
1575/77 G12
1575/77 G15
150 175
5
100M