Datasheet

Data Sheet ADP2441
Rev. A | Page 13 of 32
10581-040
CH1 2.00V
B
W
CH2 10.0V
B
W
CH3 10.0V
M4.00ms A CH3 9.00V
3
1
2
V
OUT
V
IN
SW
V
IN
= 36V
V
OUT
= 5V
f
SW
= 700kHz
LOAD = 5
Figure 40. Startup with V
IN
,
V
IN
= 36 V, V
OUT
= 5 V, f
SW
= 700 kHz, Load = 5 Ω
10581-041
CH1 2.00V
B
W
CH2 10.0V
CH4 2.00VCH3 5.00V
M200µs A CH3 2.20V
3
1
2
4
V
OUT
ENABLE
SS
SW
V
IN
= 24V
V
OUT
= 5V
f
SW
= 700kHz
LOAD = 5
Figure 41. Shutdown with Precision Enable,
V
IN
= 24 V, V
OUT
= 5 V, f
SW
= 700 kHz, Load = 5 Ω
10581-042
CH1 2.00V
B
W
CH2 10.0V
CH4 500mVCH3 5.00V
M2.00ms A CH3 2.20V
3
1
2
4
V
OUT
ENABLE
SS
SW
V
IN
= 24V
V
OUT
= 5V
f
SW
= 700kHz
LOAD = 5
SS = 10nF
Figure 42. Startup with Precision Enable,
V
IN
= 24 V, V
OUT
= 5 V, f
SW
= 700 kHz, Load = 5 Ω, SS = 10 nF
10581-143
CH1 2.00V
B
W
CH2 10.0V
CH4 2.00VCH3 5.00V
M1.00ms A CH3 1.40V
3
1
2
4
V
OUT
ENABLE
SS
SW
V
IN
= 24V
V
OUT
= 5V
f
SW
= 700kHz
Figure 43. Soft Start Startup with Precision Enable,
V
IN
= 24 V, V
OUT
= 5 V, f
SW
= 700 kHz, No Load, Internal SS
–90
–50
–10
30
70
110
–70
–30
10
50
90
1 10 100
MAGNITUDE (dB)
–200
–120
–40
40
120
200
–160
–80
0
80
160
PHASE (Degrees)
FREQUENCY (kHz)
CROSSOVER = 58kHz: 1/12 f
SW
PHASE MARGIN = 55°
V
IN
= 24V
V
OUT
= 5V
f
SW
= 700kHz
LOAD = 1A
10581-144
Figure 44. Magnitude and Phase vs. Frequency