参数资料
型号: NCP1288BD65R2G
厂商: ON Semiconductor
文件页数: 6/39页
文件大小: 0K
描述: IC REG CTRLR FLYBACK PWM 7SOIC
标准包装: 1
PWM 型: 电流模式
输出数: 1
频率 - 最大: 70kHz
占空比: 85%
电源电压: 10.5 V ~ 28 V
降压:
升压:
回扫:
反相:
倍增器:
除法器:
Cuk:
隔离:
工作温度: -40°C ~ 125°C
封装/外壳: 8-SOIC(0.154",3.90mm 宽)7 引线
包装: 标准包装
其它名称: NCP1288BD65R2GOSDKR
NCP1288
ELECTRICAL CHARACTERISTICS (For typical values T J = 25 ° C, for min/max values T J = ? 40 ° C to +125 ° C, V HV = 120 V,
V CC = 11 V unless otherwise noted)
Characteristics
Test Condition
Symbol
Min
Typ
Max
Unit
CURRENT SENSE
Input Bias Current
Maximum Internal Current Setpoint
Threshold for Immediate Fault Protection Activation
Propagation Delay from V ILIM detection to DRV off
Leading Edge Blanking Duration for V ILIM
Leading Edge Blanking Duration for V CS(stop)
Slope of the Compensation Ramp
Soft ? Start Duration
V CS = 0.7 V
V FB > 3.5 V
V CS = V ILIM
From 1 st pulse to
V CS = V ILIM
I bias
V ILIM
V CS(stop)
t delay
t LEB
t BCS
S comp(65kHz)
t SSTART
?
0.665
0.95
?
190
90
?
2.8
0.02
0.7
1.05
80
250
120
? 32.5
4.0
?
0.735
1.15
110
310
150
?
5.2
m A
V
V
ns
ns
ns
mV / m s
ms
OVERPOWER COMPENSATION
V HV to I OPC Conversion Ratio
K OPC
?
0.5
?
m A / V
Current flowing out of CS pin
FB voltage above which I OPC is applied
FB voltage below which I OPC = 0
Refresh period for dc operation
V HV = 125 V
V HV = 162 V
V HV = 325 V
V HV = V HV(OV2) ? 5 V
I OPC(125)
I OPC(162)
I OPC(325)
I OPC(max)
V FB(OPC)
V FB(OPCE)
t WD
?
?
?
102
1.50
?
25
0
52
104
120
1.65
1.25
35
?
?
?
138
1.80
?
45
m A
V
V
ms
FEEDBACK
Internal Pull ? up Resistor
V FB to Internal Current Setpoint Division ratio
Internal Pull ? up Voltage on the FB pin
T J = 25 ° C
R FB(up)
K FB
V FB(ref)
15
4.7
4.3
20
5.0
5.0
25
5.3
5.7
k W
?
V
OVERCURRENT PROTECTION
Fault Timer Duration
Autorecovery Mode Latch ? off Time Duration
From CS reaching V ILIMIT to
DRV stop
t fault
t autorec
64
1.0
78
1.4
98
1.8
ms
s
5. Internal supply current only, current in FB pin not included (current flowing through GND pin only).
http://onsemi.com
6
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