參數(shù)資料
型號(hào)： NCP1381DR2G
廠商： ON SEMICONDUCTOR
元件分類： 穩(wěn)壓器
英文描述： Low−Standby High Performance PWM Controller
中文描述： 1 A SWITCHING CONTROLLER, 125 kHz SWITCHING FREQ-MAX, PDSO14
封裝： LEAD FREE, SOIC-14
文件頁(yè)數(shù)： 2/26頁(yè)
文件大小： 559K
代理商： NCP1381DR2G
NCP1381
http://onsemi.com
2
TYPICAL APPLICATION EXAMPLE
1
2
3
4
5
6
7
9
8
10
11
12
13
14
HV
BO
DMG
OVP
GTS_ADJ
+
+
+
Skip
GTS_ADJ
V
out
PFC Stage
To PFC’s V
CC
V
ref
+
OPP
NCP1381
Figure 1. Typical Application Example
PIN FUNCTION DESCRIPTION
Pin#
Symbol
Description
1
GTS_ADJ
GTS Level Adjustment
An internal comparator senses the signal applied to this pin (typically a portion of
F
B
signal) to detect the standby condition for GTS.
2
BO
Brownout
By connecting this pin to a resistive divider, the controller ensures operation at a
safe mains level.
3
DMG
Detects the Zero Voltage
Crossing Point
This pin detects the core reset event but also permanently senses the Flyback
plateau, offering a clean OVP detection.
4
Timer
Fault Timer
Connecting a capacitor to this pin adjusts the fault timer.
5
Skip/OVP
Adjust the Skip Level
This pin alters the default skip cycle level and offers a mean to latchoff the con-
troller when externally brought above 4 V.
6
FB
Feedback Signal
An optocoupler collector pulls this pin down to regulate. When the current set-
point falls below an adjustable level, the controller skips cycles.
7
CS
Current Sense Pin
This pin cumulates two different functions: the standard sense function plus an
adjustable offset voltage providing the adequate level of Overpower Protection.
8
GND
The IC Ground
9
DRV
The Driver Output
With a drive capability of
MOSFETs.
500 mA/800 mA, the NCP1381 can drive large Q
g
10
V
CC
V
CC
Input
The controller accepts voltages up to 20 V and features an UVLO of 10 V typical.
11
GTS
Directly Powers the PFC
Frontend Stage
This pin directly powers the PFC controller by routing the PWM V
CC
to the PFC
V
CC
. In standby (defined by GTS_ADJ), fault and BO conditions, this pin is open
and the PFC is no longer supplied.
12
Reference
Reference Voltage
This pin offers a 5 V reference voltage sourcing up to 10 mA.
13
NC
Not Connected
14
NC
Not Connected
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
NCP1382DR2G 功能描述:電流型 PWM 控制器 L-STNDBY PWM CNTRLR RoHS:否 制造商:Texas Instruments 開(kāi)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
NCP1392B 制造商:ONSEMI 制造商全稱:ON Semiconductor 功能描述:High-Voltage Half-Bridge Driver with Inbuilt Oscillator
NCP1392B_09 制造商:ONSEMI 制造商全稱:ON Semiconductor 功能描述:High-Voltage Half-Bridge Driver with Inbuiltc Oscillator
NCP1392BDR2G 功能描述:功率驅(qū)動(dòng)器IC HV HALF-BRIDGE DRVER RoHS:否 制造商:Micrel 產(chǎn)品:MOSFET Gate Drivers 類型:Low Cost High or Low Side MOSFET Driver 上升時(shí)間: 下降時(shí)間: 電源電壓-最大:30 V 電源電壓-最小:2.75 V 電源電流: 最大功率耗散: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube
NCP1392DDR2G 功能描述:功率驅(qū)動(dòng)器IC HV HALF-BRIDGE DRIVER RoHS:否 制造商:Micrel 產(chǎn)品:MOSFET Gate Drivers 類型:Low Cost High or Low Side MOSFET Driver 上升時(shí)間: 下降時(shí)間: 電源電壓-最大:30 V 電源電壓-最小:2.75 V 電源電流: 最大功率耗散: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube
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