Datasheet

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