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参数资料
| 型号： | TPS5420MDREPG4 |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 稳压器 |
| 英文描述： | 5.2 A SWITCHING REGULATOR, 600 kHz SWITCHING FREQ-MAX, PDSO8 |
| 封装： | GREEN, PLASTIC, MS-012AA, SOIC-8 |
| 文件页数： | 18/23页 |
| 文件大小： | 658K |
| 代理商： | TPS5420MDREPG4 |
www.ti.com
PIN ASSIGNMENTS
1
2
3
4
8
7
6
5
BOOT
NC
VSENSE
PH
VIN
GND
ENA
SLVS717 – DECEMBER 2006
D PACKAGE
(TOP VIEW)
TERMINAL FUNCTIONS
TERMINAL
DESCRIPTION
NAME
NO.
BOOT
1
Boost capacitor for the high-side FET gate driver. Connect 0.01-
F low-ESR capacitor from BOOT pin to PH pin.
NC
2, 3
Not connected internally
VSENSE
4
Feedback voltage for the regulator. Connect to output voltage divider.
ENA
5
On/off control. Below 0.5 V, the device stops switching. Float the pin to enable.
GND
6
Ground
Input supply voltage. Bypass VIN pin to GND pin close to device package with a high-quality, low-ESR ceramic
VIN
7
capacitor.
PH
8
Source of the high-side power MOSFET. Connected to external inductor and diode.
4
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