Datasheet

4
LT1614
TYPICAL PERFOR A CE CHARACTERISTICS
UW
LBI Bias Current vs TemperatureQuiescent Current in Shutdown
Shutdown Pin Bias Current vs
Input Voltage
Switch V
CESAT
vs Current
Oscillator Frequency vs
Input VoltageLBI Reference vs Temperature
TEMPERATURE (°C)
–50
LBI BIAS CURRENT (nA)
25
75
1614 G03
–25 0 50
16
14
12
10
8
6
4
2
0
100
SWITCH CURRENT (mA)
0
0
V
CESAT
(mV)
100
200
300
400
500
100
200 300 400
1614 G04
500 600
T
A
= 25°C
TEMPERATURE (°C)
–50
REFERENCE VOLTAGE (mV)
–25
0
25 50
1614 G05
75
210
208
206
204
202
200
198
196
194
192
190
100
INPUT VOLTAGE (V)
1
FREQUENCY (kHz)
600
700
5
1614 G06
500
400
2
3
4
900
800
85°C
–40°C
25°C
INPUT VOLTAGE (V)
012345
QUIESCENT CURRENT (µA)
1614 G01
10
8
6
4
2
0
INPUT VOLTAGE (V)
012345
SHDN BIAS CURRENT (µA)
1614 G02
10
8
6
4
2
0
TEMPERATURE (°C)
–50 0 50–25 25 75 100
V
NFB
(V)
1614 G09
–1.245
–1.240
–1.235
–1.230
–1.225
–1.220
–1.215
–1.210
V
NFB
vs Temperature
NFB Pin Bias Current vs
Temperature
TEMPERATURE (°C)
–50 0 50–25 25 75 100
NFB PIN BIAS CURRENT (µA)
1614 G08
6
5
4
3
2
1
0
TEMPERATURE (°C)
–40–200 20406080
QUIESCENT CURRENT (mA)
1614 G07
6
5
4
3
2
1
0
V
IN
= 1.25V
V
IN
= 3V
V
IN
= 5V
Quiescent Current vs
Temperature*
*Includes diode leakage