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79TXXAL-TQ2-R Datasheet(PDF) 6 Page - Unisonic Technologies

Part # 79TXXAL-TQ2-R
Description  3 TERMINAL 1A NEGATIVE VOLTAGE REGULATOR
PDF  7 Pages
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Manufacturer  UTC [Unisonic Technologies]
Direct Link  http://www.utc-ic.com
Logo UTC - Unisonic Technologies

79TXXAL-TQ2-R Datasheet(HTML) 6 Page - Unisonic Technologies

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



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