參數(shù)資料
型號(hào)： TOP412
廠商： Power Integrations, Inc.
英文描述： Three-terminal DC to DC PWM Switch
中文描述： 三端直流到直流PWM開(kāi)關(guān)
文件頁(yè)數(shù)： 2/16頁(yè)
文件大?。?/td> 434K
代理商： TOP412
TOP412/414
A
4/99
2
PI-1746-011796
SHUTDOWN/
AUTO-RESTART
PWM
COMPARATOR
CLOCK
SAW
OSCILLATOR
CONTROLLED
TURN-ON
GATE
DRIVER
INTERNAL
SUPPLY
5.7 V
4.7 V
SOURCE
S
R
Q
Q
DMAX
-
+
CONTROL
-
+
5.7 V
IFB
RE
ZC
VC
MINIMUM
ON-TIME
DELAY
+
-
VILIMIT
LEADING
EDGE
BLANKING
POWER-UP
RESET
R
S
Q
Q
÷
8
0
1
THERMAL
SHUTDOWN
EXTERNALLY
TRIGGERED
SHUTDOWN
SHUNT REGULATOR/
ERROR AMPLIFIER
+
-
DRAIN
Figure 2. Functional Block Diagram.
Pin Functional Description
DRAIN Pin:
Output MOSFET drain connection. Provides internal bias
current during start-up operation via an internal switched high-
voltage current source. Internal current sense point.
CONTROL Pin:
Error amplifier and feedback current input pin for duty cycle
control. Internal shunt regulator connection to provide internal
bias current during normal operation. Trigger input for latching
shutdown. It is also used as the supply bypass and auto-restart/
compensation capacitor connection point.
SOURCE Pin:
Output MOSFET source connection. Primary-side circuit
common, power return, and reference point.
Figure 3. Pin Configuration.
PI-2208-120798
CONTROL
8
5
7
6
DRAIN
SOURCE (HV RTN)
SOURCE
SOURCE
1
4
2
3
SOURCE (HV RTN)
SOURCE (HV RTN)
SOURCE
G Package (SMD-8)
相關(guān)PDF資料
PDF描述
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TOP412_04 制造商:POWERINT 制造商全稱(chēng):Power Integrations, Inc. 功能描述:Three-terminal DC to DC PWM Switch
TOP412G 功能描述:交流/直流開(kāi)關(guān)轉(zhuǎn)換器 9 W 48 VDC RoHS:否 制造商:STMicroelectronics 輸出電壓:800 V 輸入/電源電壓（最大值）:23.5 V 輸入/電源電壓（最小值）:11.5 V 開(kāi)關(guān)頻率:115 kHz 電源電流:1.6 mA 工作溫度范圍:- 40 C to + 150 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SSO-10 封裝:Reel
TOP412GN 功能描述:交流/直流開(kāi)關(guān)轉(zhuǎn)換器 9 W 48 VDC RoHS:否 制造商:STMicroelectronics 輸出電壓:800 V 輸入/電源電壓（最大值）:23.5 V 輸入/電源電壓（最小值）:11.5 V 開(kāi)關(guān)頻率:115 kHz 電源電流:1.6 mA 工作溫度范圍:- 40 C to + 150 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SSO-10 封裝:Reel
TOP412GN-TL 功能描述:交流/直流開(kāi)關(guān)轉(zhuǎn)換器 9 W 48 VDC RoHS:否 制造商:STMicroelectronics 輸出電壓:800 V 輸入/電源電壓（最大值）:23.5 V 輸入/電源電壓（最小值）:11.5 V 開(kāi)關(guān)頻率:115 kHz 電源電流:1.6 mA 工作溫度范圍:- 40 C to + 150 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SSO-10 封裝:Reel
TOP412G-TL 功能描述:交流/直流開(kāi)關(guān)轉(zhuǎn)換器 9 W 48 VDC RoHS:否 制造商:STMicroelectronics 輸出電壓:800 V 輸入/電源電壓（最大值）:23.5 V 輸入/電源電壓（最小值）:11.5 V 開(kāi)關(guān)頻率:115 kHz 電源電流:1.6 mA 工作溫度范圍:- 40 C to + 150 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SSO-10 封裝:Reel
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