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NCP1423DMR2

P1-P3P4-P6P7-P9P10-P12P13-P14
NCP1423, SCV1423
http://onsemi.com
7
TYPICAL OPERATING CHARACTERISTICS
40
50
60
70
80
90
100
1 10 100 1000
0.4
0.6
0.8
1.0
1.2
1.4
1.6
0 50 100 150 200 250
Figure 15. EN Input Current vs. Temperature
Figure 16. Minimum Startup Battery Voltage vs.
Loading Current
Figure 17. Output Voltage Change vs.
Load Current
Figure 18. Output Voltage Change vs.
Load Current
Figure 19. Efficiency vs. Load Current Figure 20. Efficiency vs. Load Current
I
LOAD
, OUTPUT LOADING CURRENT (mA)
V
BATT
, MINIMUM STARTUP BATTERY
VOLTAGE (V)
0
50
100
150
200
−50 0 25 50 75 100
T
A
, AMBIENT TEMPERATURE (°C)
I
EN
, EN PIN INPUT CURRENT (nA)
V
OUT
= 3.3 V
−25
250
300
T
A
= 25°C
V
OUT
= 3.3 V
L = 5.6 mH
C
IN
= 10 mF
C
OUT
= 22 mF
V
OUT
> 0.9 x V
SET
50
60
70
80
90
100
1 10 100 1000
V
OUT
= 3.3 V
C
IN
= 10 mF, C
OUT
= 22 mF
L = 5.6 mH, T
A
= 25°C
V
IN
= 1.2 V, 1.5 V, 2.0 V, 2.5 V
I
LOAD
, OUTPUT LOADING CURRENT (mA)
EFFICIENCY (%)
−6
−4
−2
0
2
6
1 10 100 1000
V
OUT
= 3.3 V, L = 5.6 mH
C
IN
= 10 mF, C
OUT
= 22 mF
T
A
= 25°C
I
LOAD
, OUTPUT LOADING CURRENT (mA)
OUTPUT VOLTAGE CHANGE (%)
1.5 V
V
IN
= 2.5 V
V
IN
= 2.5 V
V
IN
= 1.2 V
4
1.0 V
−6
−4
−2
0
2
6
1 10 100 1000
V
OUT
= 1.8 V, L = 5.6 mH
C
IN
= 10 mF, C
OUT
= 22 mF
T
A
= 25°C
I
LOAD
, OUTPUT LOADING CURRENT (mA)
OUTPUT VOLTAGE CHANGE (%)
1.2 V
V
IN
= 1.5 V
4
1.0 V
2.0 V
1.5 V
V
OUT
= 1.8 V
C
IN
= 10 mF, C
OUT
= 22 mF
L = 5.6 mH, T
A
= 25°C
V
IN
= 1.0 V, 1.2 V, 1.5 V
I
LOAD
, OUTPUT LOADING CURRENT (mA)
EFFICIENCY (%)
V
IN
= 1.5 V
1.2 V
1.0 V
NCP1423, SCV1423
http://onsemi.com
8
TYPICAL OPERATING CHARACTERISTICS
0
50
100
150
200
250
1.3 1.7 1.9 2.1 2.3 2.5
Figure 21. Output Ripple Voltage vs. Battery Input
Voltage
Figure 22. No Load Operating Current vs. Inpu
t
Voltage at OUT Pin
Figure 23. Low Battery Detect Figure 24. Startup Transient Response
V
BATT
, BATTERY INPUT VOLTAGE (V)
V
RIPPLE
, OUTPUT RIPPLE VOLTAGE (mV
p−p
)
100 mA
50 mA
V
OUT
= 3.3 V, L = 5.6 mH
C
IN
= 10 mF, C
OUT
= 22 mF
T
A
= 25°C
Upper Trace: Output Voltage Waveform, 2.0 V/Division
Middle Trace: Input Voltage Waveform, 1.0 V/Division
Lower Trace: Inductor Current Waveform, 500 mA/Division
(V
IN
= 1.8 V, V
OUT
= 3.3 V, L = 5.6 mH, I
LOAD
= 60 mA)
2.5
5.0
7.5
10
12.5
15
1.8 2.1 2.4 2.7 3.0
V
OUT
, INPUT VOLTAGE AT OUT PIN (V)
I
BATT
, NO LOAD OPERATING CURRENT (mA
)
3
.3
Upper Trace: Voltage at LBI Pin, 0.5 V/Division
Lower Trace: Voltage at LBO Pin, 1.0 V/Division
Upper Trace: Output Voltage Ripple, 100 mV/Division
Middle Trace: Voltage at Lx pin, 2.0 V/Division
Lower Trace: Inductor Current, 500 mA/Division
(V
IN
= 1.5 V, V
OUT
= 3.3 V, I
LOAD
= 50 mA; L = 5.6 mH, C
OUT
= 22 mF)
Figure 25. Discontinuous Conduction Mode
Switching Waveform
Upper Trace: Output Voltage Ripple, 100 mV/Division
Middle Trace: Voltage at LX pin, 2.0 V/Division
Lower Trace: Inductor Current, 500 mA/Division
(V
IN
= 1.5 V, V
OUT
= 3.3 V, I
LOAD
= 200 mA; L = 5.6 mH, C
OUT
= 22 m
F)
Figure 26. Continuous Conduction Mode
Switching Waveform
1.5
L = 5.6 mH, C
IN
= 10 mF,
C
OUT
= 22 mF, T
A
= 25°C
NCP1423, SCV1423
http://onsemi.com
9
TYPICAL OPERATING CHARACTERISTICS
Figure 27. Line Transient Response for V
OUT
= 3.3 V Figure 28. Line Transient Response For V
OUT
= 1.8 V
Upper Trace: Output Voltage Ripple, 50 mV/Division
Lower Trace: Battery Voltage, V
IN,
1.0 V/Division
(V
IN
= 1.2 V to 2.0 V; L = 5.6 mH, C
OUT
= 22 mF, I
LOAD
= 50 mA)
Upper Trace: Output Voltage Ripple, 50 mV/Division
Lower Trace: Battery Voltage, V
IN,
1.0 V/Division
(V
IN
= 1.0 V to 1.6 V; L = 5.6 mH, C
OUT
= 22mF, I
LOAD
= 50 mA)
Figure 29. Load Transient Response For V
IN
= 1.5 V
Figure 30. Load Transient Response For V
IN
= 1.0 V
Upper Trace: Output Voltage Ripple, 100 mV/Division
Lower Trace: Load Current, I
LOAD
, 100 mA/Division
(V
OUT
= 1.8 V, I
LOAD
= 10 mA to 100 mA; L = 5.6 mH, C
OUT
= 22 mF)
Upper Trace: Output Voltage Ripple, 100 mV/Division
Lower Trace: Load Current, I
LOAD
, 100 mA/Division
(V
OUT
= 3.3 V, I
LOAD
= 10 mA to 200 mA; L = 5.6 mH, C
OUT
= 22 mF)
Figure 31. Startup Waveform (ADEN Disabled)
Figure 32. Startup Waveform (ADEN Enabled)
Upper Trace: Output Voltage, 2.0 V/Division
Lower Trace: Output Current, 50 mA/Division
Middle Trace: Enable Pin Waveform, 1.0 V/Division
(V
IN
= 1.5 V, V
OUT
= 3.3 V, L = 5.6 mH, C
IN
= 10 mF, C
OUT
= 22 mF)
Upper Trace: Output Voltage, 2.0 V/Division
Lower Trace: Output Current, 50 mA/Division
Middle Trace: Enable Pin Waveform, 1.0 V/Division
(V
IN
= 1.5 V, V
OUT
= 3.3 V, L = 5.6 mH, C
IN
= 10 mF, C
OUT
= 22 mF)
P1-P3P4-P6P7-P9P10-P12P13-P14

NCP1423DMR2

Mfr. #:
Buy NCP1423DMR2
Manufacturer:
ON Semiconductor
Description:
IC REG BOOST ADJ 1.2A 10MICRO
Lifecycle:
New from this manufacturer.
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