參數(shù)資料
型號(hào): TPS6734I
廠(chǎng)商: Texas Instruments, Inc.
英文描述: FIXED 12-V 120-mA BOOST-CONVERTER SUPPLY
中文描述: 固定12伏120毫安升壓轉(zhuǎn)換器供電
文件頁(yè)數(shù): 3/19頁(yè)
文件大?。?/td> 285K
代理商: TPS6734I
TPS6734I
FIXED 12-V 120-mA BOOST-CONVERTER SUPPLY
SLVS127A – AUGUST 1995 – REVISED JANUARY 1999
3
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
functional block diagram
EN
1
EN
7
EN
FB
_
+
4
COMP
Voltage
Reference
x3.5
SS
Clamp
Error
Amplifier
PWM
Comparator
R
S
170-kHz
Oscillator
VCC
Power Switch
Drive Latch
Σ
2
REF
3
SS
x6
Current
Sense Amplifier
Overcurrent
Comparator
Driver
VCC
OUT
GND
8
6
5
+
1 M
Q
Terminal Functions
TERMINAL
DESCRIPTION
NAME
EN
NO.
1
Enable. EN
2 V turns on the TPS6734. EN
0.4 V turns it off and reduces the supply current to 3
μ
A max.
1.22-V reference voltage output. REF can source 100
μ
A for external loads.
Soft Start. A capacitor between SS and GND brings the output voltage up slowly at power-up.
Compensation connection. A 0.001-
μ
F capacitor between COMP and FB stabilizes the feedback loop.
Ground
REF
2
SS
3
COMP
4
GND
5
OUT
6
N-channel MOSFET drain connection
FB
7
Feedback voltage. FB is connected to the converter output for the feedback loop.
VCC
8
Supply voltage input
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TPS6734IDG4 功能描述:直流/直流開(kāi)關(guān)調(diào)節(jié)器 120mA 12V RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開(kāi)關(guān)頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數(shù)量: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5
TPS6734IDR 功能描述:直流/直流開(kāi)關(guān)調(diào)節(jié)器 120mA 12V RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開(kāi)關(guān)頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數(shù)量: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5
TPS6734IDRG4 功能描述:直流/直流開(kāi)關(guān)調(diào)節(jié)器 Fixed 12-V 120-MA Boost-Conv Supply RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開(kāi)關(guān)頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數(shù)量: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5
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