LT3434 LINER [Linear Technology], LT3434 Datasheet - Page 4

• Manufacturer Part Number: LT3434
• Description: High Voltage 3A, 200kHz Step-Down Switching Regulator with 100uA Quiescent Current
• Manufacturer: LINER [Linear Technology]

LT3434
TYPICAL PERFOR A CE CHARACTERISTICS
4
1.30
1.29
1.28
1.27
1.26
1.25
1.24
1.23
1.22
1.21
1.20
200
180
160
140
120
100
5.5
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
80
60
40
20
0
0
–50
–50
0
FB Voltage
SHDN Pin Current
Bias Sleep Current
T
J
= 25°C
–25
–25
10
0
0
TEMPERATURE (°C)
TEMPERATURE (°C)
SHDN VOLTAGE (V)
20
25
25
30
50
50
40
75
75
W
100
50
100
3434 G01
3434 G04
3434 G07
U
125
125
60
1.20
1.18
1.16
1.14
1.12
1.10
1.08
1.06
1.04
1.02
1.00
250
240
230
220
210
200
190
180
170
160
150
25
20
15
10
5
0
–50
–50
–50
Oscillator Frequency
Shutdown Supply Current
PGFB Threshold
–25
–25
–25
V
IN
0
0
0
= 42V
TEMPERATURE (°C)
TEMPERATURE (°C)
TEMPERATURE (°C)
25
25
25
V
50
50
50
V
IN
IN
= 12V
= 60V
75
75
75
100
100
100
3434 G02
3434 G05
3434 G08
125
125
125
1.10
1.40
1.35
1.30
1.25
1.20
0.15
1.05
1.00
250
200
150
100
200
180
160
140
120
100
50
80
60
40
20
0
0
–50
–50
–50
PG Sink Current
SHDN Threshold
Sleep Mode Supply Current
–25
–25
–25
0
0
0
TEMPERATURE (°C)
TEMPERATURE (°C)
TEMPERATURE (°C)
V
V
BIAS
BIAS
25
25
25
= 0V
= 5V
50
50
50
75
75
75
100
100
100
3434 G09
3434 G03
3434 G06
3434f
125
125
125