Datasheet

ADP1828
Rev. C | Page 12 of 36
–50 –25 0 25 50 75 100 125 150
TEMPERATURE (°C)
2.0
1.5
1.0
0.5
0
–0.5
–1.0
–1.5
–2.0
∆f
OSC
(kHz)
06865-016
V
IN
= 3V TO 18V
f
OSC
= 300kHz OR 600kHz
REFERENCE POINT IS AT 25°C
Figure 17. Δ f
OSC
vs. Temperature
2 5 8 11141720
V
IN
(V)
6
5
4
3
2
1
0
QUIESCENT CURRENT (mA)
06865-017
T
A
= 25°C
Figure 18. Supply Current vs. Input Voltage
06865-018
CH1 10.0V
CH3 50.0mV
CH2 5.00V M 1.00µs A CH1 6.40V
3
1
2
T
B
W
SW
INPUT RIPPLE
OUTPUT RIPPLE
B
W
B
W
Figure 19. Input and Output Ripple of Figure 1, 22 A Load
06865-019
CH1 100mV
CH4 5.00A Ω
M 200µs A CH4 8.20A
1
4
T
B
W
V
OUT
(AC-COUPLED)
STEP LOAD (5A TO 20A)
Figure 20. Load Transient Response of Figure 1, 5 A to 20 A, V
IN
= 12 V
06865-020
CH1 10.0V
CH3 10.0mV
CH2 50.0mV M 1.00µs A CH1 5.80V
2
1
3
T
B
W
SW
INPUT RIPPLE
OUTPUT RIPPLE
B
W
Figure 21. Input and Output Ripple of Figure 55, 4 A Load
06865-021
CH2 200mV
CH3 100mV
M 200µs A CH4 4.20A
3
T
B
W
INPUT VOLTAGE (AC-COUPLED)
OUTPUT (AC-COUPLED)
2
4
CH4 5.00A Ω
B
W
STEP LOAD (1A TO 5A)
Figure 22. Load Transient Response of Figure 55, 1 A to 5 A, V
IN
= 12 V