参数资料
型号: NCP1589AMNTXG
厂商: ON Semiconductor
文件页数: 4/10页
文件大小: 0K
描述: IC REG CTRLR BUCK PWM VM 10-DFN
标准包装: 3,000
PWM 型: 电压模式
输出数: 1
频率 - 最大: 330kHz
占空比: 80%
电源电压: 4.5 V ~ 13.2 V
降压:
升压:
回扫:
反相:
倍增器:
除法器:
Cuk:
隔离:
工作温度: 0°C ~ 70°C
封装/外壳: 10-VFDFN 裸露焊盘
包装: 带卷 (TR)
NCP1589A, NCP1589B
ELECTRICAL CHARACTERISTICS (0 ° C < T A < 70 ° C; 4.5 V < [BST ? PHASE] < 13.2 V, 4.5 V < BST < 30 V, 0 V < PHASE < 21 V,
C TG = C BG = 1.0 nF, for min/max values unless otherwise noted.)
Characteristic
Input Voltage Range
Boost Voltage Range
Conditions
13.2 V wrt LX
Min
4.5
4.5
Typ
Max
13.2
30
Unit
V
V
Supply Current
Quiescent Supply Current (NCP1589A)
Boost Quiescent Current
V FB = 1.0 V, No Switching, V CC = 13.2 V
V FB = 1.0 V, No Switching
1.0
0.1
8.0
mA
m A
Undervoltage Lockout
UVLO Threshold
UVLO Threshold
UVLO Hysteresis
V CC Rising
V CC Falling
V CC Rising or V CC Falling
3.8
3.4
4.0
3.6
0.4
4.2
3.8
V
V
V
Switching Regulator
VFB Feedback Voltage
Oscillator Frequency (NCP1589A)
Oscillator Frequency (NCP1589B)
(FB Tied to Comp. Measure FB Pin.)
0.7936
270
540
0.8
300
600
0.8064
330
660
V
kHz
kHz
Ramp ? Amplitude Voltage
Minimum Duty Cycle
1.1
0
V
%
Maximum Duty Cycle
LG Minimum on Time
70
75
500
80
%
ns
Error Amplifier
Open Loop DC Gain (Note 1)
70
80
dB
Output Source Current
Output Sink Current
V fb < 0.8 V
V fb > 0.8 V
2.0
2.0
mA
Input Offset Voltage (Note 1)
Input Bias Current
Unity Gain Bandwidth (Note 1)
Disable Threshold
Output Source Current During Disable
? 2.0
15
0.6
0
0.1
0.8
10
2.0
1.0
40
mV
m A
Mhz
V
m A
Gate Drivers
Upper Gate Source
Upper Gate Sink
Lower Gate Source
Lower Gate Sink
V CC = 5 V, VUG ? VLX = 2.5 V
V CC = 12 V
1.5
1.5
1.4
1.0
A
W
A
W
UG Falling to LG Rising Delay
LG Falling to UG Rising Delay
V CC = 12 V, UG ? LX < 2.0 V, LG > 2.0 V
V CC = 12 V, LG < 2.0 V, UG > 2.0 V
12.4
12.4
18
18
ns
ns
Soft ? Start
Soft ? Start time
3.0
7.0
ms
Power Good
Output Voltage
Logic Low, Sinking 4 mA
0.4
V
OVP Threshold to PGOOD Output Low
OVP Threshold to Part Disable
Ramp VOS from 0.7 to 1.2.
Monitor when PGOOD goes Low
Ramp VOS from 0.8 to 1.2.
Monitor when outputs disable
0.88
1.0
1.0
1.2
V
V
UVP Threshold to PGOOD Output Low
UVP Threshold to Part Disable
Ramp VOS from 800 mV to 500 mV.
Monitor when PGOOD goes Low
Ramp VOS from 800 mV to 500 mV.
Monitor when utputs stop switching
0.65
0.5
0.72
0.6
V
V
Overcurrent Protection
OC Current Source (Note 1)
Sourced from LG pin, before SS
9.0
10
11
m A
1. Guaranteed by design but not tested in production.
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