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參數(shù)資料
| 型號： | TK732XX |
| 廠商： | TOKO Inc. |
| 元件分類： | 基準(zhǔn)電壓源/電流源 |
| 英文描述： | Cap-Free, NMOS, 150mA Low Dropout Regulator with Reverse Current Protection |
| 中文描述： | 無電容，NMOS管，150mA的低壓差穩(wěn)壓器的反向電流保護 |
| 文件頁數(shù)： | 15/16頁 |
| 文件大?。?/td> | 117K |
| 代理商： | TK732XX |
January 1999 TOKO, Inc.
Page 15
TK732xx
I
SET
(Continuous Current Limit Mode) is set to the desired
charging current.
LITHIUM
OVERDISSIPATION PROTECTION OF EXTERNAL
TRANSISTOR (SHORT CIRCUIT MODE)
(RECOMMENDED WITH TK732xxMCLH)
ION
BATTERY
CHARGER
WITH
During normal operation, T
r1
is turned ON, connecting pin
3 (C
PULSE
) to ground. This provides the continuous current
limit mode for normal operating conditions. During a short
CHARGING CHARACTERISTICS
IOUT
FINISH CHARGE
SET CHARGING CURRENT
V
4.1 V
APPLICATION INFORMATION (CONT.)
VIN
COLLECTOR
BASE
EMITTER
CL
RIPK
Tr1
LOAD
R
CONT
B
VOUT
EXTERNAL
TK732xx
circuit condition, T
r1
is turned “off.” This converts the circuit
into the pulse current limit mode of operation, reducing the
power dissipation in the pass transistor. The transition
between the continuous and pulse current limit modes can
be controlled by adjusting the operating point of T
r1
by the
value of resistor R.
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