Datasheet

ADP2442 Data Sheet
Rev. 0 | Page 12 of 36
Figure 34. PWM Mode
V
IN
= 24 V, V
OUT
= 5 V, f
SW
= 700 kHz, Load = No Load, SYNC/MODE = VCC
Figure 35. PWM Mode with External Clock, V
IN
= 24 V, V
OUT
= 5 V,
f
SW
= 700 kHz, Load = 5 Ω, SYNC/MODE = Clock
Figure 36. External Clock Synchronization,
V
IN
= 24 V, V
OUT
= 5 V, f
SW
= 700 kHz, SYNC/MODE = Clock
Figure 37. Hiccup Mode, V
IN
= 24 V, V
OUT
= 5 V, f
SW
= 700 kHz,
Output Shorted to PGND
Figure 38. Load Transient Response, V
IN
= 24 V, V
OUT
= 5 V, f
SW
= 700 kHz,
SYNC/MODE = Clock, Load Step = 500 mA
Figure 39. Load Transient Response,
V
IN
= 12 V, V
OUT
= 5 V, f
SW
= 300 kHz, Load Step = 500 mA
CH1 20.0mV
B
W
CH2 10.0V
CH4 500mA Ω
B
W
M1.00µs A CH4 –30mA
2
T 50.40%
V
IN
= 24V
V
OUT
= 5V
f
SW
= 700kHz
NO LOAD
SYNC/MODE = VCC
V
OUT
INDUCTOR CURRENT
SW
1
4
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CH1 20.0mV
B
W
CH2 10.0V
CH4 500mA Ω
B
W
M1.00µs A CH4 960mA
1
4
2
T 50.40%
V
OUT
INDUCTOR CURRENT
SW
V
IN
= 24V
V
OUT
= 5V
f
SW
= 700kHz
LOAD = 5Ω
SYNC/MODE = CLOCK
10667-137
CH1 20.0mV
CH3 2.00V
B
W
CH2 10.0V M1.00µs A CH2 9.80V
T 50.40%
SW
B
W
EXTERNAL CLOCK
V
IN
= 24V V
OUT
= 5V
f
SW
= 700kHz
V
OUT
1
2
3
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CH1 200mV
B
W
CH2 10.0V
CH4 1.00A Ω
B
W
M2.00ms A CH1 100mV
1
4
2
T 50.40%
V
OUT
INDUCTOR CURRENT
SW
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T 28.80%
CH1 100mV
B
W
CH4 500mA Ω
B
W
M200µs A CH4 430mA
V
OUT
LOAD
V
IN
= 24V
V
OUT
= 5V
f
SW
= 700kHz
4
1
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CH1 100mV
B
W
CH4 500mA Ω
M200µs A CH4 690mA
1
4
V
OUT
LOAD
V
IN
= 12V
V
OUT
= 5V
f
SW
= 300kHz
LOAD STEP = 500mA
10667-034