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UCV676A Schematic ( PDF Datasheet ) - Unisonic Technologies

Teilenummer UCV676A
Beschreibung 400mA LOW-DROP VOLTAGE REGULATOR
Hersteller Unisonic Technologies
Logo Unisonic Technologies Logo 




Gesamt 9 Seiten
UCV676A Datasheet, Funktion
UNISONIC TECHNOLOGIES CO., LTD
UCV676/A
LINEAR INTEGRATED CIRCUIT
400mA LOW-DROP VOLTAGE
REGULATOR
DESCRIPTION
The UTC UCV676/A is a low dropout voltage regulator with a
400mA output current used in harsh automotive environments. It
can be used in wide input voltage and operating temperature
ranges.
It has a high peak input voltage tolerance and reverse input
voltage protection. Built-in heat protection circuit, current limiting
circuit and inhibit control circuit. The UTC UCV676/A family is
available in TO-263-5 and TO-252-4 surface mount packages.
The output is stable over a wide output capacitance and ESR
range.
FEATURES
* 2.5V and 1.8V ±4% Output Voltage
* 3.3V, 5.0V, and Adjustable Voltage Version (from 2.5V~20V)
±4% or ±2% Output Voltage
* 400mA Output Current
* 500mV (max) Dropout Voltage (5.0V Output)
* Inhibit control input
* Very Low Current Consumption
* Fault Protection
+45V Peak Transient Voltage
Overcurrent
Overheat
ORDERING INFORMATION
Ordering Number
Lead Free
Halogen Free
UCV676L-TQ5-R
UCV676G-TQ5-R
UCV676L-TQ5-T
UCV676G-TQ5-T
UCV676AL-TQ5-R
UCV676AG-TQ5-R
UCV676AL-TQ5-T
UCV676AG-TQ5-T
UCV676L-TN4-R
UCV676G-TN4-R
UCV676L-TN4-T
UCV676G-TN4-T
UCV676AL-TN4-R
UCV676AG-TN4-R
UCV676AL-TN4-T
UCV676AG-TN4-T
1
1
Package
TO-263-5
TO-263-5
TO-263-5
TO-263-5
TO-252-4
TO-252-4
TO-252-4
TO-252-4
TO-263-5
TO-252-4
Packing
Tape Reel
Tube
Tape Reel
Tube
Tape Reel
Tube
Tape Reel
Tube
UCV676L-TN4-R
(1)Packing Type
(2)Package Type
(3)Lead Plating
(1) T: Tube, R: Tape Reel
(2) TN4: TO-252-4, TQ5: TO-263-5
(3) L: Lead Free, G: Halogen Free
www.unisonic.com.tw
Copyright © 2013 Unisonic Technologies Co., Ltd
1 of 9
QW-R102-051. B
Free Datasheet http://www.Datasheet4U.com






UCV676A Datasheet, Funktion
UCV676/A
LINEAR INTEGRATED CIRCUIT
ELECTRICAL CHARACTERISTICS(Cont.)
For UCV676/A-5.0
PARAMETER
SYMBOL TEST CONDITIONS
OUTPUT
Output Voltage
V OUT
5.0mA<I OUT <400mA,
6.0V<VIN<28V
5.0mA<I OUT <200mA,
6.0V<V IN <40V
Output Current Limitation
IOUT VOUT=90% VOUT(TYP)
Quiescent Current
(Sleep Mode)
Iq Iq=II-IOUT, VINH=0V
I OUT =1.0mA
Quiescent Current
Iq Iq=II - IOUT IOUT=250mA
I OUT =400mA
Dropout Voltage
V DR
VIN=5.0V, IOUT=250mA,
V DR =V IN -V OUT
Dropout Voltage (Note 1)
Load Regulation
Line Regulation
V DR
ΔV OUT
ΔV OUT
I Q =250mA
IOUT= 5.0mA~400mA
ΔVIN=12V~32V, IOUT=5.0mA
Power Supply Ripple
Rejection
PSRR fr=100Hz, Vr= 0.5VPP
Temperature coefficient of
V OUT
ΔV OUT /ΔT
INHIBIT
Inhibit Voltage, Output High VINH VOUT≥VOUT(MIN)
Inhibit Voltage, Output Low
(Off)
VINH VOUT0.1V
Input Current
IINH VINH=5.0V
THERMAL SHUTDOWN
Thermal Shutdown
Temperature (Note 2)
TSD IOUT=5.0mA
UCV676
MIN TYP MAX
4.8 5.0 5.2
4.8 5.0 5.2
400 700 1100
- - 10
- 130 220
- 10 15
- 25 35
- 250 500
-
- 10 35
- 2.5 25
- 60 -
- 0.5 -
- 2.8 3.5
0.5 1.7 -
5.0 10 20
150 - 210
UCV676A
UNIT
MIN TYP MAX
4.9 5.0 5.1 V
4.9 5.0 5.1 V
400 700 1100 mA
- - 10 μA
- 130 200 μA
- 10 15 mA
- 25 35 mA
- - - mV
- 250 500 mV
- 3.0 20 mV
- 4.0 15 mV
- 70 - dB
- 0.5 - mV/K
- 2.3 2.8 V
1.8 2.2 - V
5.0 10 20 μA
150 - 210 °C
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
6 of 9
QW-R102-051. B
Free Datasheet http://www.Datasheet4U.com

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