TK11630U 데이터 시트보기 (PDF) - Toko America Inc
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TK11630U Datasheet PDF : 14 Pages
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TYPICAL APPLICATIONS
TK116xxU
VOLTAGE REGULATOR CIRCUIT
VOLTAGE BOOST CIRCUIT
VIN
+
IIN
+
CIN
0.1 F
+
CL
10 F
VOUT
IOUT
VIN
GND
VO = VOUT + IQ X R
IN
+
1 µF
IQ
OUT
VO
VOUT
+
4.7 µF
R
CURRENT BOOST CIRCUIT
VIN
VOUT
100
GND
IN
+
10 µF
OUT
+
4.7 µF
CURRENT REGULATOR CIRCUIT
VIN
GND
IN
+
1 µF
VOUT
IOUT =
+ IQ
R
OUT
VOUT
IOUT
R
OUT
+
4.7 µF
IQ
APPLICATION NOTES
Maximize copper foil area connecting to all IC pins for optimum heat conduction. Place input and output bypass capacitors
close to the GND pin.
For best transient behavior and lowest output impedance, use as large a capacitor value as possible. The temperature
coefficient of the capacitance and Equivalent Series Resistance (ESR) should be taken into account. These parameters
can influence power supply noise and ripple rejection. In extreme cases, oscillation may occur. In order to maintain
stability, the output bypass capacitor value should be minimum 1 µF for tantalum electrolytic or 4.7 µF for aluminum
electrolytic at TA = 25 °C.
January 1999 TOKO, Inc.
Page 13
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