参数资料
型号: NCP5424DG
厂商: ON Semiconductor
文件页数: 5/18页
文件大小: 0K
描述: IC REG CTRLR BUCK PWM 16-SOIC
产品变化通告: Product Obsolescence 21/Jan/2010
标准包装: 48
PWM 型: 电流/电压模式,V²?
输出数: 1
频率 - 最大: 750kHz
占空比: 100%
电源电压: 10.8 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: 16-SOIC(0.154",3.90mm 宽)
包装: 管件
NCP5424
ELECTRICAL CHARACTERISTICS (continued) (0 ° C < T A < 70 ° C; 0 ° C < T J < 125 ° C; R OSC = 30.9 k, C COMP1,2 = 0.1 m F,
10.8 V < V CC < 13.2 V; 10.8 V < BST < 20 V, C GATE(H)1,2 = C GATE(L)1,2 = 1.0 nF, V FB+2 = 1.0 V; unless otherwise specified.)
Characteristic
Test Conditions
Min
Typ
Max
Unit
Oscillator
Switching Frequency
Switching Frequency
Switching Frequency
R OSC Voltage
Phase Difference
R OSC = 61.9 k; Measure GATE(H)1; Note 3
R OSC = 30.9 k; Measure GATE(H)1
R OSC = 15.1 k; Measure GATE(H)1; Note 3
R OSC = 30.9 k, Note 3
?
112
250
450
0.970
?
150
300
600
1.000
180
188
350
750
1.030
?
kHz
kHz
kHz
V
°
Supply Currents
V CC Current
BST Current
COMP1,2 = 0 V (No Switching)
COMP1,2 = 0 V (No Switching)
?
?
13
3.5
17
6.0
mA
mA
Undervoltage Lockout
Start Threshold
Stop Threshold
Hysteresis
GATE(H) Switching; COMP1,2 charging
GATE(H) not switching; COMP1,2 discharging
Start?Stop
7.8
7.0
0.5
8.6
7.8
0.8
9.4
8.6
1.5
V
V
V
Hiccup Mode Overcurrent Protection (Controller 1)
OVC Comparator Offset Voltage
Discharge Threshold
IS+ 1 Bias Current
IS? Bias Current
OVC Common Mode Range
OVC Latch COMP1 Discharge Current
0 V < IS+ 1 < 5.5 V, 0 V < IS? < 5.5 V
?
0 V < IS+ 1 < 5.5 V
0 V < IS? < 5.5 V
?
COMP1 = 1.0 V
55
0.20
?1.0
?2.0
0
2.0
70
0.25
0.1
0.2
?
5.0
85
0.30
1.0
2.0
5.5
8.0
mV
V
m A
m A
V
m A
Cycle?to?Cycle Current Limit (Controller 2)
OVC Comparator Offset Voltage
IS+ 2 Bias Current
OVC Common Mode Range
OVC Latch COMP2 Discharge Current
0 V < IS+ 2 < 5.5 V, 0 V < IS? < 5.5 V
0 V < IS+ 2 < 5.5 V
?
COMP = 1.0 V
55
?1.0
0
0.3
70
0.1
?
1.2
85
1.0
5.5
3.5
mV
m A
V
mA
3. Guaranteed by design, not 100% tested in production.
http://onsemi.com
5
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