ncp15889 ON Semiconductor, ncp15889 Datasheet - Page 4

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ncp15889

Manufacturer Part Number
ncp15889
Description
Single Phase Buck Controller
Manufacturer
ON Semiconductor
Datasheet
Supply Current
Undervoltage Lockout
Switching Regulator
Error Amplifier
Gate Drivers
ELECTRICAL CHARACTERISTICS
C
Input Voltage Range
Boost Voltage Range
Quiescent Supply Current
Boost Quiescent Current
UVLO Threshold
UVLO Hysteresis
VFB Feedback Voltage
Oscillator Frequency
Ramp-Amplitude Voltage
Minimum Duty Cycle
Maximum Duty Cycle
LG Minimum on Time
Open Loop DC Gain (Note 1)
Output Source Current
Output Sink Current
Input Offset Voltage (Note 1)
Input Bias Current
Unity Gain Bandwidth (Note 1)
Disable Threshold
Output Source Current During Disable
Upper Gate Source
Upper Gate Sink
Lower Gate Source
Lower Gate Sink
UG Falling to LG Rising Delay
LG Falling to UG Rising Delay
UG
= C
LG
= 1.0 nF (REF:NTD30N02), for min/max values unless otherwise noted.)
Characteristic
NCP1588
NCP1589
NCP1588
NCP1589
NCP1588
NCP1589
NCP1588
NCP1589
(0°C < T
V
V
FB
(FB Tied to Comp. Measure FB Pin.)
CC
V
A
CC
= 1.0 V, No Switching, V
V
< 70°C, 0°C < T
= 12 V, UG-LX < 2.0 V, LG > 2.0 V
CC
NCP1588, NCP1589
V
= 12 V, LG < 2.0 V, UG > 2.0 V
FB
= 5 V, VUG - VLX = 2.5 V
http://onsemi.com
= 1.0 V, No Switching
V
T
T
CC
13.2 V wrt LX
Conditions
A
A
V
V
V
= 0 to 70°C
= 0 to 70°C
CC
fb
fb
Rising Edge
< 0.8 V
> 0.8 V
= 12 V
4
J
< 125°C; 4.5 V < V
CC
= 13.2 V
CC
< 13.2 V, 4.5 V < BOOT < 26.4 V,
0.7936
0.792
-2.0
Min
270
4.5
4.5
3.8
3.9
2.0
2.0
0.3
0.6
1.5
1.5
70
70
15
0.37
Typ
140
300
500
1.0
0.2
0.8
0.8
1.1
0.1
0.8
1.4
1.0
75
80
30
30
0
0
0.8064
0.808
Max
13.2
26.4
330
100
4.0
4.0
4.1
2.0
1.0
0.5
80
90
60
Unit
Mhz
kHz
mA
mA
mV
mA
dB
mA
mA
ns
ns
ns
%
%
W
W
V
V
V
V
V
V
V
A
A

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