Data Sheet

NCP1402
http://onsemi.com
13
2.5
1.0
3.0
1.5
2.0
3.5
0
60
604020
V
ripple
, RIPPLE VOLTAGE (mV)
0
Figure 51. NCP1402SN19T1 Ripple Voltage vs.
Output Current
Figure 52. NCP1402SN30T1 Ripple Voltage vs.
Output Current
Figure 53. NCP1402SN50T1 Ripple Voltage vs.
Output Current
Figure 54. NCP1402SNXXT1 Operating
Current 1 vs. Output Voltage
V
OUT
, OUTPUT VOLTAGE (V)
I
DD1
, OPERATING CURRENT 1 (mA)
Figure 55. NCP1402SNXXT1 Pin On-state
Current vs. Output Voltage
Figure 56. NCP1402SNXXT1 Switch-On
Resistance vs. Output Voltage
80
13425
V
in
= 1.2 V
NCP1402SN19T1
L = 47 H
C
OUT
= 68 F
T
A
= 25°C
85°C
I
O
, OUTPUT CURRENT (mA)
20
40
100
80 100 120 140 160 180 200
V
in
= 0.9 V
V
in
= 1.5 V
0
60
604020
V
ripple
, RIPPLE VOLTAGE (mV)
0
80
V
in
= 1.2 V
NCP1402SN30T1
L = 47 H
C
OUT
= 68 F
T
A
= 25°C
I
O
, OUTPUT CURRENT (mA)
20
40
100
80 100 120 140 160 180 20
0
V
in
= 0.9 V
V
in
= 1.5 V
0
60
604020
V
ripple
, RIPPLE VOLTAGE (mV)
0
80
V
in
= 1.2 V
NCP1402SN50T1
L = 47 H
C
OUT
= 68 F
T
A
= 25°C
I
O
, OUTPUT CURRENT (mA)
20
40
100
80 100 120 140 160 180 200
V
in
= 0.9 V
V
in
= 1.5 V
V
in
= 2.0 V
V
in
= 2.5 V
V
in
= 2.0 V
V
in
= 3.0 V
V
in
= 4.0 V
60
0
80
20
40
100
6
25°C
-40 °C
NCP1402SNXXT1
V
OUT
= V
SET
x 0.96
Open-loop Test
V
OUT
, OUTPUT VOLTAGE (V)
R
DS(ON)
, SWITCH-ON RESISTANCE ()
13425
85°C
6
25°C
-40 °C
NCP1402SNXXT1
V
OUT
= V
SET
x 0.96
V
LX
= 0.4 V
Open-loop Test
V
OUT
, OUTPUT VOLTAGE (V)
I
LX
, LX PIN ON-STATE CURRENT (mA)
13425
85°C
220
100
260
140
180
300
6
25°C
-40 °C
NCP1402SNXXT1
V
OUT
= V
SET
x 0.96
V
LX
= 0.4 V
Open-loop Test