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參數(shù)資料
| 型號： | NCP1014ST100T3 |
| 廠商： | ON SEMICONDUCTOR |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | Self-Supplied Monolithic Switcher for Low Standby- Power Offline SMPS |
| 中文描述： | 1 A SWITCHING REGULATOR, 110 kHz SWITCHING FREQ-MAX, PSSO4 |
| 封裝： | PLASTIC, SOT-223, 4 PIN |
| 文件頁數(shù)： | 3/24頁 |
| 文件大?。?/td> | 324K |
| 代理商： | NCP1014ST100T3 |
NCP1010, NCP1011, NCP1012, NCP1013, NCP1014
http://onsemi.com
3
PIN FUNCTION DESCRIPTION
Pin No.
(SOT223)
Pin No.
(PDIP7,
PDIP7/Gull Wing)
Pin Name
Function
Description
1
1
V
CC
Powers the Internal Circuitry
This pin is connected to an external capacitor of typi-
cally 10 F. The natural ripple superimposed on the
V
CC
participates to the frequency jittering. For im-
proved standby performance, an auxiliary V
CC
can be
connected to Pin 1. The V
CC
also includes an active
shunt which serves as an opto failsafe protection.
2
NC
3
NC
2
4
FB
Feedback Signal Input
By connecting an optocoupler to this pin, the peak
current setpoint is adjusted accordingly to the output
power demand.
3
5
Drain
Drain Connection
The internal drain MOSFET connection.
7
NC
This unconnected pin ensures adequate creepage
distance.
4
8
GND
The IC Ground
65, 100 or
130 kHz
Clock
Overload
UVLO
Management
NC
NC
V
CC
FB
Drain
NC
GND
Figure 2. Simplified Internal Circuit Architecture
2
1
3
4
IV
CC
I
Vclamp*
4 V
18 k
Error flag armed
EMI Jittering
V
CC
Startup Source
Drain
FlipFlop
DCmax = 65%
Reset
Reset
High when V
CC
3 V
Driver
S
Q
R
+
Iref = 7.4 mA
IV
CC
Set
Q
V
CC
8
Rsense
250 ns
L.E.B.
7
5
+
+
SoftStart
Startup Sequence
Overload
+
0.5 V
Drain
*Vclamp = VCC
OFF
+ 200 mV (8.7 V Typical)
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| NCP1014ST100T3G | 功能描述:電流型 PWM 控制器 Low Standby Power Monolithic Switcher RoHS:否 制造商:Texas Instruments 開關(guān)頻率:27 KHz 上升時(shí)間: 下降時(shí)間: 工作電源電壓:6 V to 15 V 工作電源電流:1.5 mA 輸出端數(shù)量:1 最大工作溫度:+ 105 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TSSOP-14 |
| NCP1014ST65T3 | 功能描述:電流型 PWM 控制器 Low Standby Power RoHS:否 制造商:Texas Instruments 開關(guān)頻率:27 KHz 上升時(shí)間: 下降時(shí)間: 工作電源電壓:6 V to 15 V 工作電源電流:1.5 mA 輸出端數(shù)量:1 最大工作溫度:+ 105 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TSSOP-14 |
| NCP1014ST65T3G | 功能描述:電流型 PWM 控制器 Low Standby Power Monolithic Switcher RoHS:否 制造商:Texas Instruments 開關(guān)頻率:27 KHz 上升時(shí)間: 下降時(shí)間: 工作電源電壓:6 V to 15 V 工作電源電流:1.5 mA 輸出端數(shù)量:1 最大工作溫度:+ 105 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TSSOP-14 |
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| NCP1015 | 制造商:ONSEMI 制造商全稱:ON Semiconductor 功能描述:Self-Supplied Monolithic Switcher for Low Standby- Power Offline SMPS |
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