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參數(shù)資料
| 型號： | TPS62290DRV |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | Half Bridge Gate Driver; Package: 8-SO-8; Container: Tape & Reel |
| 中文描述： | 1降壓轉(zhuǎn)換器2步驟× 2 SON封裝 |
| 文件頁數(shù)： | 4/23頁 |
| 文件大小： | 615K |
| 代理商： | TPS62290DRV |
www.ti.com
PIN ASSIGNMENTS
DRV PACKAGE
(TOP VIEW)
MODE
FB
GND
SW
EN
VIN
1
2
3
6
5
4
r
Powe PAD
FUNCTIONAL BLOCK DIAGRAM
Zero-Pole
AMP.
Integrator
Error Amp
PFM Comp .
+1% Voltage positioning
PWM
Comp.
VREF
Control
Stage
Gate Driver
Anti
Shoot-Through
Current
Limit Comparator
Current
Limit Comparator
VREF + 1%
FB
FB
VIN
GND
MODE
SW
1
EN
VIN
Softstart
VOUT RAMP
CONTROL
Thermal
Shutdown
Reference
0.6 V VREF
Undervoltage
Lockout 1.8 V
Limit
High Side
Limit
Low Side
Sawtooth
Generator
Int. Resistor
Network
FB
R
RI1
RI.N
Mode
GND
2.25 MHz
Oscillator
TPS62290
SLVS764–JUNE 2007
TERMINAL FUNCTIONS
TERMINAL
NAME
V
IN
GND
I/O
DESCRIPTION
NO.
5
6
PWR
PWR
VIN power supply pin.
GND supply pin
This is the enable pin of the device. Pulling this pin to low forces the device into shutdown mode.
Pulling this pin to high enables the device. This pin must be terminated.
This is the switch pin and is connected to the internal MOSFET switches. Connect the external inductor
between this terminal and the output capacitor.
Feedback Pin for the internal regulation loop. Connect the external resistor divider to this pin. In case of
fixed output voltage option, connect this pin directly to the output capacitor
MODE pin = high forces the device to operate in fixed-frequency PWM mode. Mode pin = low enables
the Power Save Mode with automatic transition from PFM mode to fixed-frequency PWM mode.
EN
4
I
SW
1
OUT
FB
3
I
MODE
2
I
4
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TPS62290DRVR | 功能描述:直流/直流開關(guān)調(diào)節(jié)器 2.25MHz 1A Step- Down Converter RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關(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 |
| TPS62290DRVRG4 | 功能描述:直流/直流開關(guān)調(diào)節(jié)器 2.25MHz 1A Step- Down Converter RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關(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 |
| TPS62290DRVT | 功能描述:直流/直流開關(guān)調(diào)節(jié)器 2.25MHz 1A Step- Down Converter RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關(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 |
| TPS62290DRVT | 制造商:Texas Instruments 功能描述:DC/DC Converter IC |
| TPS62290DRVTG4 | 功能描述:直流/直流開關(guān)調(diào)節(jié)器 2.25MHz 1A Step- Down Converter RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關(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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