Datasheet

4
LT1316
TYPICAL PERFORMANCE CHARACTERISTICS
U
W
SWITCH CURRENT (mA)
0
SWITCH SATURATION VOLTAGE (mV)
500
400
300
200
100
0
300 500 800
1316 G03
100 200
400
600 700
100°C
–40°C
75°C
25°C
Switch Saturation Voltage
vs Switch Current
TEMPERATURE (°C)
–50
LBI PIN CURRENT (nA)
8
6
4
2
0
–25 0 25 50
1316 G04
75 100
Off-Time vs Temperature
TEMPERATURE (°C)
–50
OFF-TIME (µs)
4
3
2
1
0
–25 0 25 50
1316 G05
75 100
TEMPERATURE (°C)
–50
MAXIMUM ON-TIME (µs)
8
7
6
5
–25 0 25 50
1316 G06
75 100
Maximum On-Time
vs Temperature
Quiescent Current vs Temperature
TEMPERATURE (°C)
–50
QUIESCENT CURRENT (µA)
36
34
32
30
28
26
–25 0 25 50
1316 G07
75 100
Feedback Voltage vs Temperature
TEMPERATURE (°C)
–50
FEEDBACK VOLTAGE (V)
1.240
1.235
1.230
1.225
1.220
–25 0 25 50
1316 G08
75 100
LBI Pin Bias Current
vs Temperature

10
PEAK SWITCH CURRENT (mA)
100
1000

TEMPERATURE (°C)
–50 –25 0 25 50
1316 G10
75 100
R
SET
= 4.84k
R
SET
= 27.4k
R
SET
= 97.3k
R
SET
= 10k
Shutdown Pin Bias Current
vs Shutdown Pin Voltage
FB Pin Bias Current
vs Temperature
Peak Switch Current
vs Temperature
SHUTDOWN PIN VOLTAGE (V)
0
SHUTDOWN PIN CURRENT (µA)
4
3
2
1
0
–1
1234
1316 G09
56
TEMPERATURE (°C)
–50
FB PIN BIAS CURRENT (nA)
4
3
2
1
–25 0 25 50
1316 G11
75 100