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NCP1529ASNT1G

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P16
NCP1529
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7
I
stb
, STANDBY CURRENT (mA)
2.5 3.0 3.5 4.0 4.5 5.0 5.5
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
V
IN
, INPUT VOLTAGE (V)
Figure 9. Standby Current vs. Input Voltage
(Enable = 0, Temperature = 255C)
27
28
29
30
31
2.5 3.0 3.5 4.0 4.5 5.0 5.5
V
IN
, INPUT VOLTAGE (V)
Figure 10. Quiescent Current vs. Input Voltage
(Open Loop, Feedback = 1,
Temperature = 255C)
I
q
, QUIESCENT CURRENT (mA)
0
10
20
30
40
50
60
70
80
90
100
0 200 400 600 800 1000
EFFICIENCY (%)
I
OUT
, OUTPUT CURRENT (mA)
Figure 11. Efficiency vs. Output Current
(V
IN
= 3.3 V, V
OUT
= 1.2 V)
25°C
85°C
−40°C
0
10
20
30
40
50
60
70
80
90
100
0 200 400 600 800 1000
EFFICIENCY (%)
I
OUT
, OUTPUT CURRENT (mA)
Figure 12. Efficiency vs. Output Current
(V
out
= 1.2 V, Temperature = 255C)
5.5 V
V
BAT
= 2.7 V
3.3 V
EFFICIENCY (%)
I
OUT
, OUTPUT CURRENT (mA)
Figure 13. Efficiency vs. Output Current
(V
IN
= 3.6 V, Temperature = 255C)
V
OUT
= 0.9 V
3.3 V
1.2 V
0
10
20
30
40
50
60
70
80
90
100
0 200 400 600 800 1000
1.2
1.3
1.4
1.5
1.6
1.7
1.8
1.9
2
2.1
2.2
−60 −20 20 60 100
T
A
, AMBIENT TEMPERATURE (°C)
Figure 14. Switching Frequency vs. Ambient
Temperature (V
out
= 1.2 V, I
out
= 200 mA)
SWITCHING FREQUENCY (MHz)
V
IN
= 2.7 V
3.6 V
5.5 V
NCP1529
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8
−3.0
−2.0
−1.0
0.0
1.0
2.0
3.0
0 200 400 600 800 1000
LOAD REGULATION (%)
I
OUT
, OUTPUT CURRENT (mA)
Figure 15. Load Regulation vs. Output Current
(V
IN
= 5.5 V, V
OUT
= 1.2 V)
25°C
85°C
−40°C
−3.0
−2.0
−1.0
0
1.0
2.0
3.0
2.7 3.2 3.7 4.2 4.7 5.2
I
OUT
= 800 mA
100 mA
1 mA
V
IN
, INPUT VOLTAGE (V)
Figure 16. Line Regulation vs. Input Voltage
(V
OUT
= 1.2 V, Temperature = 255C)
LINE REGULATION (%)
Figure 17. 10 mA to 100 mA Load Transient in 1 ms
(V
IN
= 3.6 V, V
OUT
= 1.2 V, Temperature = 255C)
Figure 18. 200 mA to 600 mA Load Transient in 1 ms
(V
IN
= 3.6 V, V
OUT
= 1.2 V, Temperature = 255C)
Figure 19. 3.0 V to 3.6 V Line Transient, Rise = 50 ms
(V
IN
= 1.2 V, I
OUT
= 100 mA, Temperature = 255C)
Figure 20. 3.6 V to 3.0 V Line Transient, Fall = 50 ms
(V
IN
= 1.2 V, I
OUT
= 100 mA, Temperature = 255C)
NCP1529
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9
Figure 21. Typical Soft−Start (V
IN
= 3.6 V, V
OUT
= 1.2 V,
I
OUT
= 100 mA, Temperature = 255C)
Figure 22. Short−Circuit Protection (V
IN
= 3.6 V,
V
OUT
= 1.2 V, I
OUT
= CC, Temperature = 255C)
2.20
2.25
2.30
2.35
2.40
2.45
2.50
2.55
2.60
−50 −25 0 25 50 75 100 125
T
A
, AMBIENT TEMPERATURE (°C)
Figure 23. Undervoltage Lockout Threshold
vs. Ambient Temperature
UNDERVOLTAGE LOCKOUT THRESHOLD (V)
UVLOfall
UVLOrise
0.4
0.5
0.6
0.7
0.8
0.9
1.0
1.1
1.2
−40 −15 10 35 60 85
V
IL
V
IH
T
A
, AMBIENT TEMPERATURE (°C)
Figure 24. Enable Threshold Voltages vs.
Ambient Temperature
ENABLE THRESHOLD VOLTAGES (V)
−50
−30
−10
10
30
50
70
10 100 1000 10000 100000 1000000
−160
−120
−80
−40
0
40
80
120
160
200
Phase
Gain
FREQUENCY (Hz)
Figure 25. Phase and Gain Performance
(V
IN
= 3.6 V, V
OUT
= 1.2 V, I
OUT
= 200 mA, Temperature = 255C)
GAIN (dB)
PHASE (°)
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P16

NCP1529ASNT1G

Mfr. #:
Buy NCP1529ASNT1G
Manufacturer:
ON Semiconductor
Description:
Switching Voltage Regulators STEP-DOWN CONVERTER
Lifecycle:
New from this manufacturer.
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