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參數(shù)資料
| 型號(hào)： | TK717XXS |
| 廠商： | TOKO Inc. |
| 元件分類： | 基準(zhǔn)電壓源/電流源 |
| 英文描述： | LOW DROPOUT VOLTAGE REGULATOR |
| 中文描述： | 低壓差穩(wěn)壓器 |
| 文件頁數(shù)： | 12/13頁 |
| 文件大小： | 152K |
| 代理商： | TK717XXS |
Page 12
October 2001 TOKO, Inc.
TK717xxS
APPLICATION INFORMATION (CONT.)
As shown in the figure below, several components are required to discharge the charge in the output side capacitor in a
typical regulator.
Because the external electrical discharge circuit is unnecessary with the TK717xxS, the application becomes very simple.
Turning the regulator off automatically discharges the charge of the output side capacitor.
The TK112xxB is a normal regulator.
The TK717xx is built with the automatic discharge circuit during off time.
The TK716xxS, AS is built with the output disconnect circuit.
As shown here:
On/Off Control
VIN
VOUT
DISCHARGE CIRCUIT
TK717xxS (TOKO REGULATOR)
Doesn’t need discharge circuit
VIN
VOUT
DISCHARGE CURRENT IN OFF MODE
On/Off CONTROL
0 200 400 600
TIME
(μ
S)
on
off response: CL = 2.2
μ
F
CN = 1000 pF I Load = 0mA
VOUT
TK717xx
TK112xxB
TK716xxS, AS
CONTROL
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