参数资料
型号: NCV5171EDR2G
厂商: ON Semiconductor
文件页数: 3/19页
文件大小: 0K
描述: IC REG MULTI CONFIG 1.5A 8SOIC
标准包装: 2,500
类型: 升压(升压),反相,回扫,正向转换器,Sepic
输出数: 1
输入电压: 2.7 V ~ 30 V
PWM 型: 电流模式
频率 - 开关: 280kHz
电流 - 输出: 1.5A
同步整流器:
工作温度: -40°C ~ 125°C
安装类型: 表面贴装
封装/外壳: 8-SOIC(0.154",3.90mm 宽)
包装: 带卷 (TR)
供应商设备封装: 8-SOICN
NCV5171, NCV5173
ELECTRICAL CHARACTERISTICS (2.7 V < V CC < 30 V; ? 40 ? C < T J < 125 ? C unless otherwise stated.)
Characteristic
Test Conditions
Min
Typ
Max
Unit
Positive and Negative Error Amplifiers
FB Reference Voltage
FB Input Current
FB Reference Voltage Line Regulation
Positive Error Amp Transconductance
Positive Error Amp Gain
V C Source Current
V C Sink Current
V C High Clamp Voltage
V C Low Clamp Voltage
V C Threshold
V C tied to FB; measure at FB
FB = V REF
V C = FB
I VC = ? 25 m A
(Note 2)
FB = 1.0 V, V C = 1.25 V
FB = 1.5 V, V C = 1.25 V
FB = 1.0 V; V C sources 25 m A
FB = 1.5 V; V C sinks 25 m A
Reduce V C from 1.5 V until switching stops
1.246
? 1.0
?
300
200
25
200
1.5
0.25
0.6
1.276
0.1
0.01
550
500
50
625
1.7
0.50
1.05
1.300
1.0
0.03
800
?
90
1500
1.9
0.65
1.30
V
m A
%/V
m Mho
V/V
m A
m A
V
V
V
Oscillator
Base Operating Frequency
Base Operating Frequency
Reduced Operating Frequency
Reduced Operating Frequency
Maximum Duty Cycle
Maximum Duty Cycle
FB Frequency Shift Threshold
NCV5171, FB = 1 V
NCV5173, FB = 1 V
NCV5171, FB = 0 V
NCV5173, FB = 0 V
NCV5171
NCV5173
Frequency drops to reduced operating frequency
230
460
30
60
90
82
0.36
280
560
52
104
94
90
0.40
310
620
120
160
?
?
0.44
kHz
kHz
kHz
kHz
%
%
V
Sync/ Shutdown
Sync Range
Sync Range
Sync Pulse Transition Threshold
SS Bias Current
Shutdown Threshold
Shutdown Delay
NCV5171
NCV5173
Rise time = 20 ns
SS = 0 V
SS = 3.0 V
2.7 V ? V CC ? 12 V
12 V < V CC ? 30 V
?
320
640
2.5
? 15
?
0.40
12
12
?
?
?
? 3.0
3.0
0.85
80
36
500
1000
?
?
8.0
1.20
350
200
kHz
kHz
V
m A
V
m s
2. Guaranteed by design, not 100% tested in production.
http://onsemi.com
3
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