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| 型号： | NCP1246AD065R2G |
| 厂商： | ON Semiconductor |
| 文件页数： | 7/39页 |
| 文件大小： | 0K |
| 描述： | IC CTLR CURR MODE 65KHZ 8SOIC |
| 标准包装： | 2,500 |
| 系列： | * |
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NCP1246
ELECTRICAL CHARACTERISTICS (For typical values T J = 25 ° C, for min/max values T J = ? 40 ° C to +125 ° C, V HV = 125 V,
V CC = 11 V unless otherwise noted)
Characteristics
Test Condition
Symbol
Min
Typ
Max
Unit
FEEDBACK
Internal pull ? up voltage on the FB pin
(Note 6)
Feedback voltage below which the peak
current is frozen
V FB(ref)
V FB(freeze)
4.5
1.35
5
1.5
5.5
1.65
V
V
SKIP CYCLE MODE
Feedback voltage thresholds for skip mode
V FB going down
V FB going up
V skip(in)
V skip(out)
0.63
0.72
0.70
0.80
0.77
0.88
V
REMOTE CONTROL ON FB PIN
The voltage above which the part enters the
on mode
The voltage below which the part enters the
off mode
Minimum hysteresis between the V ON and
V OFF
Pull ? up current in off mode
Go To Off mode timer
V CC > V CC(off) , V HV = 60 V
V CC > V CC(off)
V CC > V CC(off) , V HV = 60 V
V CC > V CC(off)
V CC > V CC(off)
V ON
V OFF
V HYST
I OFF
t GTOM
?
0.35
500
?
100
2.2
0.40
?
5
150
?
0.45
?
?
300
V
V
mV
m A
ms
OVERLOAD PROTECTION
Fault timer duration
Autorecovery mode latch ? off time duration
t fault
t autorec
108
0.85
128
1.00
178
1.35
ms
s
OVERPOWER PROTECTION
V HV to I OPC conversion ratio
K OPC
?
0.54
?
m A / V
Current flowing out of CS pin (Note 7)
FB voltage above which I OPC is applied
FB voltage below which is no I OPC applied
V HV = 125 V
V HV = 162 V
V HV = 325 V
V HV = 365 V
V HV = 365 V
V HV = 365 V
I OPC(125)
I OPC(162)
I OPC(325)
I OPC(365)
V FB(OPCF)
V FB(OPCE)
?
?
?
105
2.12
?
0
20
110
130
2.35
2.15
?
?
?
150
2.58
?
m A
V
V
LATCH ? OFF INPUT
High threshold
Low threshold
Current source for direct NTC connection
During normal operation
During soft ? start
Blanking duration on high latch detection
Blanking duration on low latch detection
Clamping voltage
V Latch going up
V Latch going down
V Latch = 0 V
65 kHz version
100 kHz version
I Latch = 0 mA
I Latch = 1 mA
V OVP
V OTP
I NTC
I NTC(SSTART)
t Latch(OVP)
t Latch(OTP)
V clamp0(Latch)
V clamp1(Latch)
2.35
0.76
65
130
35
20
?
1.0
1.8
2.5
0.8
95
190
50
35
350
1.2
2.4
2.65
0.84
105
210
70
50
?
1.4
3.0
V
V
m A
m s
m s
V
TEMPERATURE SHUTDOWN
Temperature shutdown
Temperature shutdown hysteresis
T J going up
T J going down
T TSD
T TSD(HYS)
?
?
150
30
?
?
° C
° C
5. Internal supply current only, currents sourced via FB pin is not included (current is flowing in GND pin only).
6. Guaranteed by design.
7. CS pin source current is a sum of I bias and I OPC , thus at V HV = 125 V is observed the I bias only, because I OPC is switched off.
Product parametric performance is indicated in the Electrical Characteristics for the listed test conditions, unless otherwise noted. Product
performance may not be indicated by the Electrical Characteristics if operated under different conditions.
http://onsemi.com
7
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相关代理商/技术参数 |
参数描述 |
|---|---|
| NCP1246AD100R2G | 功能描述:电流型 PWM 控制器 FIXED FREQ (100KHZ) CURRE RoHS:否 制造商:Texas Instruments 开关频率:27 KHz 上升时间: 下降时间: 工作电源电压:6 V to 15 V 工作电源电流:1.5 mA 输出端数量:1 最大工作温度:+ 105 C 安装风格:SMD/SMT 封装 / 箱体:TSSOP-14 |
| NCP1246B100DR2G | 制造商:ONSEMI 制造商全称:ON Semiconductor 功能描述:Fixed Frequency Current Mode Controller for Flyback Converters |
| NCP1246B65DR2G | 制造商:ONSEMI 制造商全称:ON Semiconductor 功能描述:Fixed Frequency Current Mode Controller for Flyback Converters |
| NCP1246BD065R2G | 功能描述:电流型 PWM 控制器 FIXED FREQ (65KHZ) CURREN RoHS:否 制造商:Texas Instruments 开关频率:27 KHz 上升时间: 下降时间: 工作电源电压:6 V to 15 V 工作电源电流:1.5 mA 输出端数量:1 最大工作温度:+ 105 C 安装风格:SMD/SMT 封装 / 箱体:TSSOP-14 |
| NCP1246BD100R2G | 功能描述:电流型 PWM 控制器 FIXED FREQ (65KHZ) CURREN RoHS:否 制造商:Texas Instruments 开关频率:27 KHz 上升时间: 下降时间: 工作电源电压:6 V to 15 V 工作电源电流:1.5 mA 输出端数量:1 最大工作温度:+ 105 C 安装风格:SMD/SMT 封装 / 箱体:TSSOP-14 |
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