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79T24A Schematic ( PDF Datasheet ) - Unisonic Technologies

Teilenummer 79T24A
Beschreibung 3-TERMINAL 1A NEGATIVE VOLTAGE REGULATOR
Hersteller Unisonic Technologies
Logo Unisonic Technologies Logo 




Gesamt 7 Seiten
79T24A Datasheet, Funktion
UNISONIC TECHNOLOGIES CO.,
79TXXA
LINEAR INTEGRATED CIRCUIT
3 TERMINAL 1A NEGATIVE
VOLTAGE REGULATOR
„ DESCRIPTION
The UTC 79TXXA series of three-terminal negative
regulators are available in TO-263 package and with several
fixed output voltage, making them useful in a wide range of
application. Each type employs internal current limiting,
thermal shut-down and safe area protection, making it
essentially indestructible.
1
TO-263
1
TO-263-3
„ FEATURES
*Output current up to 1A
*-5V, -6V, -8V, -9V, -12V, -15V, -18V, -24V output voltage
available
*Thermal overload protection
*Short circuit protection
„ ORDERING INFORMATION
Ordering Number
Lead Free
Halogen Free
79TXXAL-TQ2-R
79TXXAG-TQ2-R
79TXXAL-TQ2-T
79TXXAG-TQ2-T
79TXXAL-TQ3-R
79TXXAG-TQ3-R
79TXXAL-TQ3-T
79TXXAG-TQ3-T
Note: Pin Code: I: Input G: GND O: Output
Package
TO-263
TO-263
TO-263-3
TO-263-3
Pin Assignment
123
GIO
GIO
GIO
GIO
Packing
Tape Reel
Tube
Tape Reel
Tube
www.unisonic.com.tw
Copyright © 2011 Unisonic Technologies Co.,
1 of 7
QW-R101-013.Da






79T24A Datasheet, Funktion
79TXXA
LINEAR INTEGRATED CIRCUIT
„ ELECTRICAL CHARACTERISTICS(Cont.)
FOR 79T18A (VIN =-27V, CI =2.2uF)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN TYP MAX UNIT
Output Voltage
Line Regulation
VOUT
ΔVOUT
TJ=25
IOUT=5mA~1A, PD15W, VIN=-21V~-33V
TJ=25, VIN =-21V ~ -33V
TJ=25, VIN =-24V ~ -30V
-17.28 -18.0 -18.72
-17.10
-18.90
15 360
8 180
V
V
mV
mV
Load Regulation
ΔVOUT
TJ=25, IOUT =5mA ~ 1A
TJ=25, IO=250mA ~ 750mA
15 360 mV
5.0 180 mV
Quiescent Current
IQ TJ=25
3 6 mA
Quiescent Current Change
Temperature coefficient of VO
Output Noise Voltage
ΔIQ
ΔVO/ΔT
eN
IOUT =5mA ~ 1A
VIN =-21V ~ -32V
IO=5mA
f=10hz ~ 100kHz, TA=25
0.5 mA
1.0 mA
-1 mV/
300 μV
Ripple Rejection
Dropout Voltage
Short-Circuit Current
Peak Output Current
RR
VD
ISC
IPEAK
f=120Hz, VIN =-22V ~ -32V
IO=1.0A, TJ=25
VIN =-35V, TA=25
TJ=25
54 60
2
300
2.2
dB
V
mA
A
FOR 79T24A (VIN =-33V, CI =2.2uF)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN TYP MAX UNIT
Output Voltage
Line Regulation
VOUT
ΔVOUT
TJ=25
-23.04 -24 -24.96 V
IOUT =5mA ~ 1A, PD15W, VIN =-27V~ -38V -22.80
-25.20 V
TJ=25, VIN =-27V ~ -38V
15 480 mV
TJ=25, VIN =-30V ~ -36V
8 240 mV
Load Regulation
ΔVOUT
TJ=25, IOUT =5mA ~ 1A
TJ=25, IOUT =250mA ~ 750mA
15 480 mV
5.0 240 mV
Quiescent Current
IQ TJ=25
3 6 mA
Quiescent Current Change
ΔIQ
IOUT =5mA ~ 1A
VIN =-27V ~ -38V
0.5 mA
1.0 mA
Temperature coefficient of VO ΔVO/ΔT IOUT =5mA
Output Noise Voltage
eN f=10Hz ~ 100kHz, TA=25
-1 mV/
400 μV
Ripple Rejection
Dropout Voltage
Short-Circuit Current
Peak Output Current
RR
VD
ISC
IPEAK
f=120Hz, VIN =-28V ~ -38V
IOUT =1.0A, TJ=25
VIN =-35V, TA=25
TJ=25
54 60
2
300
2.2
dB
V
mA
A
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
6 of 7
QW-R101-013.Da

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