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參數(shù)資料
| 型號： | TK73200M |
| 廠商： | TOKO Inc. |
| 元件分類： | 基準電壓源/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)： | 10/12頁 |
| 文件大小： | 92K |
| 代理商： | TK73200M |
Page 10
June 1999 TOKO, Inc.
TK73200
The high output voltage accuracy and low dropout voltage
are maintained when the IC is turned ON/OFF by using the
control pin as illustrated above.
ON/OFF
VOUT
RVOLTAGE
VDROP
TK73200
VOUT
VIN
VCONT
μ PRO
R2
R1
CONTINUOUS CURRENT LIMIT MODE
In the continuous current limit mode, the C
pin (pin 3)
is directly connected to ground. The output current limit is
set by R
IPK
according to the following equation:
I
SET
(mA) = 100 (mV) / R
IPK
(
)
If the continuous current limit mode is also used for output
short circuit protection, the I
SET
value is set 50% to 100%
more than the maximum operating current. The current
transistor is selected from the I
SET
value. The output
voltage drops when the output current exceeds the I
SET
value. However, the output voltage returns to normal once
the output current decreases below the I
SET
value.
HIGH-SIDE SWITCHING
APPLICATION INFORMATION (CONT.)
High-side switching should not be implemented by an
external transistor as shown above. This results in addi-
tional voltage drop and loss of accuracy.
CN
VIN
COLLECTOR
BASE
EMITTER
VOUT
VCONT
CL
CIN
CONT
RIPK
GND
TEXTERNAL
TK73200
R1
R2
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| TK73200MCL | 制造商:TOKO 制造商全稱:TOKO, Inc 功能描述:ADJUSTABLE LOW DROPOUT REGULATOR |
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| TK73211M | 制造商:TOKO 制造商全稱:TOKO, Inc 功能描述:LOW DROPOUT REGULATOR |
| TK73211MCLH | 制造商:TOKO 制造商全稱:TOKO, Inc 功能描述:LOW DROPOUT REGULATOR |
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