参数资料
型号: NCP1571D
厂商: ON Semiconductor
文件页数: 2/16页
文件大小: 0K
描述: IC REG CTRLR BUCK PWM 8-SOIC
产品变化通告: Product Obsolescence 11/Feb/2009
标准包装: 98
PWM 型: 电流/电压模式,V²?
输出数: 1
频率 - 最大: 250kHz
电源电压: 11.4 V ~ 12.6 V
降压:
升压:
回扫:
反相:
倍增器:
除法器:
Cuk:
隔离:
工作温度: 0°C ~ 125°C
封装/外壳: 8-SOIC(0.154",3.90mm 宽)
包装: 管件
NCP1571
12 V PWRGD V LOGIC
GND
5.0 V
33 m F/8.0 V/1.6 Arms
R1
50 k
C1
+
+
C2
+
C3
C4
NTD4302
R4
10
0.47 m F
NCP1571
PGDELAY GATE(L)
V CC GND
PWRGD V FB
100 pF
C6
Q1
2.7 m H
L1
NTD4302
Q2
5.1 k
R3
+
C8
+
C9
+
C10
+
C11
2.5 V/10 A
GND
C12
COMP
GATE(H)
R5
56 m F/4.0 V/1.6 Arms
SP?CAP 40 m W
0.01 m F
3.3 k
C13
0.1 m F
Figure 1. Applications Circuit
MAXIMUM RATINGS
Operating Junction Temperature
Storage Temperature Range
ESD Susceptibility (Human Body Model)
Rating
Value
150
?65 to 150
2.0
Unit
° C
° C
kV
Lead Temperature Soldering:
Moisture Sensitivity Level
Reflow: (Note 1)
230 peak
2
° C
?
Package Thermal Resistance, SOIC?8
Junction?to?Case, R q JC
Junction?to?Ambient, R q JA
48
165
° C/W
° C/W
Maximum ratings are those values beyond which device damage can occur. Maximum ratings applied to the device are individual stress limit
values (not normal operating conditions) and are not valid simultaneously. If these limits are exceeded, device functional operation is not implied,
damage may occur and reliability may be affected.
1. 60 second maximum above 183 ° C.
MAXIMUM RATINGS
Pin Name
IC Power Input
Pin Symbol
V CC
V MAX
15 V
V MIN
?0.5 V
I SOURCE
N/A
I SINK
1.5 A Peak
450 mA DC
Compensation Capacitor
Voltage Feedback Input
Power Good Output
Power Good Delay
High?Side FET Driver
COMP
V FB
PWRGD
PGDELAY
GATE(H)
6.0 V
6.0 V
15 V
6.0 V
15 V
?0.5 V
?0.5 V
?0.5 V
?0.5 V
?0.5 V
10 mA
1.0 mA
1.0 mA
1.0 mA
1.5 A Peak
10 mA
1.0 mA
20 mA
10 mA
1.5 A Peak
?2.0 V for 50 ns
200 mA DC
200 mA DC
Low?Side FET Driver
GATE(L)
15 V
?0.5 V
1.5 A Peak
1.5 A Peak
?2.0 V for 50 ns
200 mA DC
200 mA DC
Ground
GND
0.5 V
?0.5 V
1.5 A Peak
N/A
450 mA DC
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