Datasheet

ADP1610
Rev. A | Page 8 of 20
AMBIENT TEMPERATURE ( ° C)
SUPPLY CURRENT (mA)
1.4
0.5
0.6
0.7
0.8
0.9
1.0
1.1
1.2
1.3
0.4
–40 –15 10 35 60 85
04472-017
F
SW
= 700kHz
V
FB
= 1V
V
IN
= 2.5V
V
IN
= 5.5V
V
IN
= 3.3V
Figure 16. Supply Current vs. Ambient Temperature
AMBIENT TEMPERATURE (°C)
SUPPLY CURRENT (µA)
3.5
3.0
2.0
2.5
0.5
1.0
1.5
0
–40 15 70 125
04472-018
V
IN
= 3.3V
SD = 0.4V
Figure 17. Supply Current in Shutdown vs. Ambient Temperature
04472-019
CH1 10.0mVΩ CH2 5.00V M400ns A CH2 10.0V
1
2
T 136.000ns
V
IN
= 3.3V
V
OUT
= 10V
I
LOAD
= 200mA
F
SW
= 700kHz
L = 10
μH
CH1 = IL 500mA/DIV
CH2 = V
SW
5V/DIV
Figure 18. Switching Waveform in Continuous Conduction
04472-020
CH1 10.0mVΩ CH2 5.00V M400ns A CH2 10.0V
1
2
T 136.000ns
V
IN
= 3.3V
V
OUT
= 10V
I
LOAD
= 20mA
F
SW
= 700kHz
L = 10µH
CH1 = IL 200mA/DIV
CH2 = V
SW
5V/DIV
Figure 19. Switching Waveform in Discontinuous Conduction
04472-021
CH1 200mV CH2 10.0mVΩ M200μs A CH2 7.60mV
1
2
V
IN
= 3.3V, V
OUT
= 10V
C
OUT
= 10μF, L = 10μH, R
C
= 130Ω
C
C
= 270pF, F
SW
= 700kHz
CH1 = V
OUT,
200mV/DIV
CH2 = I
OUT,
200mA/DIV
Figure 20. Load Transient Response, 700 kHz , V
OUT
= 10 V
04472-022
CH1 200mV CH2 10.0mVΩ M200µs A CH2 7.60mV
1
2
V
IN
= 3.3V, V
OUT
= 10V
C
OUT
= 10µF, L = 4.7µH, R
C
= 220kΩ
C
C
= 150pF, F
SW
= 1.2MHz
CH1 = V
OUT
, 200mV/DIV
CH2 = I
OUT
, 200mA/DIV
Figure 21. Load Transient Response, 1.2 MHz, V
OUT
= 10 V