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参数资料
| 型号： | NCP1377P |
| 厂商： | ON Semiconductor |
| 文件页数： | 4/17页 |
| 文件大小： | 0K |
| 描述： | IC CTRLR PWM CM OVP UVLO 8DIP |
| 产品变化通告： | LTB Notification 03/Jan/2008 |
| 标准包装： | 50 |
| 输出隔离： | 隔离 |
| 频率范围： | 100kHz |
| 输入电压： | 8.2 V ~ 18 V |
| 工作温度： | -40°C ~ 125°C |
| 封装/外壳： | 8-DIP（0.300"，7.62mm），7 引线 |
| 供应商设备封装： | 7-PDIP |
| 包装： | 管件 |
| 其它名称： | NCP1377POS |
NCP1377, NCP1377B
ELECTRICAL CHARACTERISTICS
(For typical values T J = 25 ° C, for min/max values T J = ? 40 ° C to +125 ° C, Ma x T J = 150 ° C, V CC = 11 V unless otherwise noted.)
Characteristic
Pin
Symbol
Min
Typ
Max
Unit
SUPPLY SECTION
V CC Increasing Level at which the Current Source Turns ? Off
Minimum Operating Voltage after Turn ? On
V CC Decreasing Level at which the Latchoff Phase Ends
Internal IC Consumption, No Output Load on Pin 5, F SW = 60 kHz
Internal IC Consumption, 1.0 nF Output Load on Pin 5, F SW = 60 kHz
Internal IC Consumption, Latchoff Phase, V CC = 6.0 V
6
6
6
6
6
6
VCC ON
VCC OFF
VCC latch
ICC1
ICC2
ICC3
11.6
7.0
?
?
?
?
12.5
7.5
5.6
1.0
1.6
220
13.7
8.2
?
1.3
(Note 1)
2.0
(Note 1)
?
V
V
V
mA
mA
m A
INTERNAL STARTUP CURRENT SOURCE
High ? Voltage Current Source, V CC = 10 V, V pin8 = 50 V
High ? Voltage Current Source, V CC = 0 V, V pin8 = 50 V
Startup Leakage, V pin8 = 500 V
8
8
8
IC1
IC2
I HVLeak
2.4
?
?
4.0
4.5
30
6.0
?
70
mA
mA
m A
DRIVE OUTPUT
Output Voltage Rise ? Time @ CL = 1.0 nF, 10 ? 90% of Output Signal
Output Voltage Fall ? Time @ CL = 1.0 nF, 10 ? 90% of Output Signal
Source Resistance
Sink Resistance
5
5
5
5
T r
T f
R OH
R OL
?
?
12
5.0
40
20
20
10
?
?
36
19
ns
ns
W
W
CURRENT COMPARATOR
Input Bias Current @ 1.0 V Input Level on Pin 3
Maximum Internal Current Setpoint
Propagation Delay from Current Detection to Gate OFF State
Leading Edge Blanking Duration
Internal Current Offset Injected on the CS Pin During OFF Time
3
3
3
3
3
I IB
I Limit
T DEL
T LEB
Iskip
?
0.9
?
?
?
0.02
1.0
100
380
200
?
1.1
160
?
?
m A
V
ns
ns
m A
OVERVOLTAGE SECTION
Sampling Delay After ON Time
OVP Internal Reference Level
NCP1377
NCP1377B
1
1
1
T sample
V ref
?
?
6.4
4.5
1.5
7.2
?
?
8.0
m s
V
FEEDBACK SECTION
Internal Pullup Resistor
Pin 3 to Current Setpoint Division Ratio
Internal Soft ? Start
2
?
?
Rup
Iratio
Tss
?
?
?
20
3.3
1.0
?
?
?
k W
?
ms
DEMAGNETIZATION DETECTION BLOCK
Input Threshold Voltage (Vpin 1 Decreasing)
Hysteresis (Vpin 1 Decreasing)
1
1
V th
V H
35
?
50
20
90
?
mV
mV
Input Clamp Voltage
V
High State (Ipin 1 = 3.0 mA)
Low State (Ipin 1 = ? 2.0 mA)
1
1
VC H
VC L
8.0
? 0.9
10
? 0.7
12
? 0.5
Pin1 Internal Resistance
Demag Propagation Delay
Timeout After Last Demag Transition
Internal Input Capacitance at Vpin 1 = 1.0 V
1
1
1
1
R int
T dem
Tout
C par
?
?
?
?
28
210
5.0
10
?
?
?
?
k W
ns
m s
pF
Minimum T OFF (Internal Blanking Delay After T ON )
NCP1377
NCP1377B
1
1
T blank
?
?
8.0
3.0
?
?
m s
1. Max value at T j = ? 40 ° C, please see characterization curves.
http://onsemi.com
4
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| NCP1377PG | 功能描述:电流型 PWM 控制器 Quasi Resonant Current Mode PWM 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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| NCP1378/D | 制造商:未知厂家 制造商全称:未知厂家 功能描述:PWM Current-Mode Controller for Free Running Quasi-Resonant Operation |
| NCP1378_06 | 制造商:ONSEMI 制造商全称:ON Semiconductor 功能描述:PWM Current−Mode Controller for Free−Running Quasi−Resonant Operation |
| NCP1378DR2 | 功能描述:电流型 PWM 控制器 Quasi Resonant 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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