NCP1406, NCV1406
http://onsemi.com
8
TYPICAL CHARACTERISTICS
−50
T
A
, AMBIENT TEMPERATURE (°C)
6
t
ss
, SOFT−START TIME (ms)
−25 0 25 50 75 100
Figure 19. Soft−start Time versus
Ambient Temperature
5
4
3
2
1
0
−50
T
A
, AMBIENT TEMPERATURE (°C)
1.1
I
LIMIT
, CURRENT LIMIT (A)
−25 0 25 50 75 100
1
Figure 20. No Load Input Current versus
Input Voltage
Figure 21. Current Limit versus
Ambient Temperature
Figure 22. Switch−ON Resistance versus
Input Voltage
V
IN
, INPUT VOLTAGE (V)
I
IN
, NO LOAD INPUT CURRENT (mA)
23456
1
V
IN
, INPUT VOLTAGE (V)
R
SW(on)
, SWITCH−ON RESISTANCE (W)
2345
6
T
A
= 85°C
1.4
0.5
0.4
0.3
0.2
0.1
0
V
OUT
= 25 V
L1 = 8.2 mH
D1 = MBR0530LT1
C1 = 10 mF
C2 = 3.3 mF
C3 = 82 pF
R1 = 2.2 MW
R2 = 110 kW
T
A
= 25°C
1.0
0.9
0.8
0.7
0.6
1.2
1.0
0.8
0.6
0.4
T
A
= −40°C
T
A
= 25°C
L1 = 8.2 mH, C1 = 10 mF, C2 = 4.7 mF, V
IN
= 3.7 V
1. V
OUT
= 15 V (AC Coupled), 100 mV/div
2. I
OUT
= 1.0 mA to 20 mA, 20 mA/div
Figure 23. Load Transient Response (V
OUT
= 15 V)
Figure 24. Line Transient Response (V
OUT
= 15 V)
L1 = 8.2 mH, C1 = 10 mF, C2 = 4.7 mF, I
OUT
= 15 mA
1. V
OUT
= 15 V (AC Coupled), 100 mV/div
2. V
IN
= 3.0 V to 4.0 V, 2.0 V/div
