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| 79TXXA_11 Datasheet, PDF (3/7 Pages) Unisonic Technologies – 3 TERMINAL 1A NEGATIVE VOLTAGE REGULATOR | |||
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79TXXA
LINEAR INTEGRATED CIRCUIT
 ABSOLUTE MAXIMUM RATINGS (TA=25â, unless otherwise specified)
PARAMETER
SYMBOL
RATING
UNIT
Input voltage
VIN
-35
V
Output Current
IOUT
1
A
Power Dissipation
PD
Internally Limited
W
Operating Temperature
TOPR
0 ~ +125
â
Storage Temperature
TSTG
-65 ~ +150
â
Note: Absolute maximum ratings are those values beyond which the device could be permanently damaged.
Absolute maximum ratings are stress ratings only and functional device operation is not implied.
 THERMAL DATA
PARAMETER
SYMBOL
Junction to Ambient
θJA
Junction to Case
θJC
 ELECTRICAL CHARACTERISTICS
RATINGS
65
5
UNIT
â/W
â/W
(Refer to test circuits, TJ= 0°С-125â, IOUT =500mA, CO=1uF, unless otherwise specified)
FOR 79T05A (VIN =-10V, CI =33uF)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
Output Voltage
Line Regulation
Load Regulation
Quiescent Current
VOUT
ÎVOUT
ÎVOUT
IQ
TJ=25â
IOUT =5mA ~ 1A, PDâ¦15W, VIN= -7V ~ -20V
TJ=25â, VIN =-7V ~ -25V
TJ=25â, VIN =-8V ~ -12V
TJ=25â, IOUT =5mA ~ 1A
TJ=25â, IOUT =250mA ~ 750mA
TJ=25â
-4.80
-4.75
Quiescent Current Change
Temperature coefficient of VO
Output Noise Voltage
ÎIQ
ÎVO/ÎT
eN
IOUT =5mA ~ 1A
VIN =-7V ~ -25V
IOUT =5mA
f=10Hz ~ 100kHz, TA=25â
Ripple Rejection
RR f=120Hz, VIN =-8V ~ -18V
54
Dropout Voltage
VD
IOUT =1.0A, TJ=25â
Short-Circuit Current
ISC VIN =-35V, TA=25â
Peak Output Current
IPEAK TJ=25â
FOR 79T06A (VIN =-11V, CI =2.2uF)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
Output Voltage
Line Regulation
Load Regulation
Quiescent Current
VOUT
ÎVOUT
ÎVOUT
IQ
TJ=25â
IOUT =5mA ~ 1A, PDâ¦15W, VIN =-8V~ -21V
TJ=25â, VIN =-8V ~ -25V
TJ=25â, VIN =-9V ~ -13V
TJ=25â, IOUT =5mA ~ 1A
TJ=25â, IOUT =250mA ~ 750mA
TJ=25â
-5.76
-5.70
Quiescent Current Change
ÎIQ
IOUT =5mA ~ 1A
VIN =-8V ~ -25V
Temperature coefficient of VO ÎVO/ÎT IOUT =5mA
Output Noise Voltage
eN f=10Hz ~ 100kHz, TA=25â
Ripple Rejection
RR f=120Hz, VIN =-9V ~ -19V
54
Dropout Voltage
VD
IOUT =1.0A, TJ=25â
Short-Circuit Current
ISC VIN =-35V, TA=25â
Peak Output Current
IPEAK TJ=25â
TYP
-5.0
10
10
3
3
0.05
0.1
-0.4
100
60
2
300
2.2
TYP
-6.00
10
5
10
3
3
-0.5
130
60
2
300
2.2
MAX UNIT
-5.20 V
-5.25 V
100 mV
mV
100 mV
50 mV
6 mA
0.5 mA
1.3 mA
mV/â
μV
dB
V
mA
A
MAX UNIT
-6.24 V
-6.30 V
120 mV
60 mV
120 mV
60 mV
6 mA
0.5 mA
1.3 mA
mV/â
μV
dB
V
mA
A
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
3 of 7
QW-R101-013.Da
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