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參數(shù)資料
| 型號： | V62/05616-01XE |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 2.2 A SWITCHING CONTROLLER, 1150 kHz SWITCHING FREQ-MAX, PDSO16 |
| 封裝： | GREEN, PLASTIC, SOIC-16 |
| 文件頁數(shù)： | 4/21頁 |
| 文件大小： | 447K |
| 代理商： | V62/05616-01XE |
UDG95114
VC
1 nF
10 mF
D1
OUT
PGND
D2
GND
6.8 W
D1, D2 = 1N5820
SGLS305D – JULY 2005 – REVISED SEPTEMBER 2010
www.ti.com
High-Current Outputs
Each totem-pole output of the UC2825A-EP can deliver a 2-A peak current into a capacitive load. The output can
slew a 1000-pF capacitor by 15 V in approximately 20 ns. Separate collector supply (VC) and power ground
(PGND) pins help decouple the device analog circuitry from the high-power gate drive noise. The use of 3-A
Schottky diodes (1N5120, USD245, or equivalent) (see Figure 13) from each output to both VC and PGND are
recommended. The diodes clamp the output swing to the supply rails, necessary with any type of
inductive/capacitive load, typical of a MOSFET gate. Schottky diodes must be used because a low forward
voltage drop is required. Do not use standard silicon diodes.
Figure 12. Power MOSFET Drive Circuit
12
Copyright 2005–2010, Texas Instruments Incorporated
Product Folder Link(s): UC2825A-EP
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