UTC LM78XX 1109 3-terminal 1a positive voltage regulator Datasheet

UNISONIC TECHNOLOGIES CO., LTD
LM78XX
LINEAR INTEGRATED CIRCUIT
3-TERMINAL 1A POSITIVE
VOLTAGE REGULATOR
„
1
DESCRIPTION
1
The UTC LM78XX family is monolithic fixed voltage regulator
integrated circuit. They are suitable for applications that required
supply current up to 1 A.
„
TO-220F
FEATURES
1
* Output current up to 1A
* Fixed output voltage of 5V, 6V, 7V, 8V, 9V, 10V, 12V, 15V, 18V
and 24V available
* Thermal overload shutdown protection
* Short circuit current limiting
* Output transistor SOA protection
„
TO-220
TO-262
ORDERING INFORMATION
Ordering Number
Lead Free
Halogen Free
LM78XXL-TA3-T
LM78XXG-TA3-T
LM78XXL-TF3-T
LM78XXG-TF3-T
LM78XXL-T2Q-T
LM78XXG-T2Q-T
Note: Pin Assignment: O: Output G: GND I: Input
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Copyright © 2011 Unisonic Technologies Co., Ltd
Package
TO-220
TO-220F
TO-262
Pin Assignment
1
2
3
I
G
O
I
G
O
I
G
O
Packing
Tube
Tube
Tube
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QW-R101-006.P
LM78XX
„
LINEAR INTEGRATED CIRCUIT
MARKING INFORMATION
PACKAGE
TO-220
TO-220F
TO-262
VOLTAGE CODE
05:
06:
07:
08:
09:
10:
12:
15:
18:
24:
MARKING
5.0 V
6.0 V
7.0 V
8.0 V
9.0 V
1.0 V
1.2 V
1.5 V
1.8 V
2.4 V
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2 of 13
QW-R101-006.P
LM78XX
LINEAR INTEGRATED CIRCUIT
„
TEST CIRCUIT
„
APPLICATION CIRCUIT
VIN
1
UTC LM78XX
3
VOUT
2
CI=0.33 μF
CO=0.1 μF
Note 1: To specify an output voltage, substitute voltage value for "XX".
2: Bypass capacitors are recommended for optimum stability and transient response and should be located as
close as possible to the regulators.
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3 of 13
QW-R101-006.P
LM78XX
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LINEAR INTEGRATED CIRCUIT
ABSOLUTE MAXIMUM RATINGS (Operating temperature range applies unless otherwise specified)
PARAMETER
SYMBOL
RATING
UNIT
35
V
Input voltage
VIN
40
V
Output Current
IOUT
1
A
Power Dissipation
PD
Internally Limited
W
Operating Junction Temperature
TOPR
-20 ~ +150
°C
Storage Temperature
TSTG
-55 ~ +150
°C
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.
VOUT=5~18V
VOUT=24V
„
THERMAL DATA
PARAMETER
Junction to Ambient
Junction to Case
„
SYMBOL
θJA
θJC
RATING
65
5
UNIT
°C/W
°C/W
ELECTRICAL CHARACTERISTICS
(IOUT=0.5A, TJ= 0°C~125°C, CI =0.33μF, CO=0.1μF, unless otherwise specified)(Note 1)
For UTC LM7805 (VIN =10V)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TJ =25°C, IOUT=5mA ~ 1.0A
4.80
Output Voltage
VOUT
VIN =7.5V ~ 20V,
4.75
IOUT=5mA ~ 1.0A,PD≤15W
Dropout Voltage
VD
TJ =25°C
TJ =25°C,IOUT=5mA ~ 1.0A
Load Regulation
ΔVOUT
TJ =25°C,IOUT=0.25A ~ 0.75A
VIN =7V ~ 25V, TJ =25°C
Line regulation
ΔVOUT
VIN =7.5V ~ 20V, TJ =25°C, IOUT=1.0A
Quiescent Current
IQ
TJ =25°C, IOUT≤1.0A
VIN =7.5V ~ 20V
Quiescent Current Change
ΔIQ
IOUT=5mA ~ 1.0A
Output Noise Voltage
eN
10Hz≤f≤100kHz
Temperature Coefficient of Vo
ΔVo/ΔT IOUT=5mA
Ripple Rejection
RR
VIN =8V ~ 18V,f=120Hz, TJ =25°C
62
Peak Output Current
IPEAK
TJ =25°C
Short-Circuit Current
ISC
VIN =35V, TJ =25°C
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TYP
5.0
MAX
5.20
UNIT
V
5.25
V
2.0
50
25
50
50
8.0
1.0
0.5
40
-0.6
80
1.8
250
V
mV
mV
mV
mV
mA
mA
mA
μV
mV/°C
dB
A
mA
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QW-R101-006.P
LM78XX
„
LINEAR INTEGRATED CIRCUIT
ELECTRICAL CHARACTERISTICS(Cont.)
For UTC LM7806 (VIN =11V)
PARAMETER
SYMBOL
Output Voltage
VOUT
Dropout Voltage
VD
Load Regulation
ΔVOUT
Line regulation
ΔVOUT
Quiescent Current
IQ
ΔIQ
Quiescent Current Change
Output Noise Voltage
Temperature Coefficient of Vo
Ripple Rejection
Peak Output Current
Short-Circuit Current
For UTC LM7807 (VIN =13V)
PARAMETER
eN
ΔVo/ΔT
RR
IPEAK
ISC
SYMBOL
Output Voltage
VOUT
Dropout Voltage
VD
Load Regulation
ΔVOUT
Line regulation
ΔVOUT
Quiescent Current
IQ
ΔIQ
Quiescent Current Change
Output Noise Voltage
Temperature Coefficient of Vo
Ripple Rejection
Peak Output Current
Short-Circuit Current
eN
ΔVo/ΔT
RR
IPEAK
ISC
TEST CONDITIONS
TJ =25°C, IOUT=5mA ~ 1.0A
VIN =8.5V ~ 21V,
IOUT=5mA ~ 1.0A, PD≤15W
TJ =25°C
TJ =25°C,IOUT=5mA ~ 1.0A
TJ =25°C,IOUT=0.25A~ 0.75A
VIN =8V ~ 25V, TJ =25°C
VIN =8.5V ~ 21V, TJ =25°C,IOUT=1.0A
TJ =25°C, IOUT≤1.0A
VIN =8.5V ~ 21V
IOUT=5mA ~ 1.0A
10Hz≤f≤100kHz
IOUT=5mA
VIN =9V ~ 19V,f=120Hz, TJ =25°C
TJ =25°C
VIN =35V, TJ =25°C
TEST CONDITIONS
TJ =25°C, IOUT=5mA - 1.0A
VIN =9.5V ~ 22V,
IOUT=5mA ~ 1.0A, PD≤15W
TJ =25°C
TJ =25°C,IOUT=5mA ~ 1.0A
TJ =25°C,IOUT=0.25A ~ 0.75A
VIN =9V ~ 25V, TJ =25°C
VIN =9.5V ~ 22V, TJ =25°C,IOUT=1.0A
TJ =25°C, IOUT≤1.0A
VIN =9.5V ~ 22V
IOUT=5mA ~ 1.0A
10Hz≤f≤100kHz
IOUT=5mA
VIN =10V ~ 20V,f=120Hz, TJ =25°C
TJ =25°C
VIN =35V, TJ =25°C
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MIN
5.76
TYP
6.0
5.70
MAX
6.24
UNIT
V
6.30
V
2.0
60
30
60
60
8.0
1.0
0.5
59
45
-0.7
75
1.8
250
MIN
6.72
TYP
7.0
6.65
MAX
7.28
UNIT
V
7.35
V
2.0
70
35
70
70
8.0
1.0
0.5
59
50
-0.8
75
1.7
250
V
mV
mV
mV
mV
mA
mA
mA
μV
mV/°C
dB
A
mA
V
mV
mV
mV
mV
mA
mA
mA
μV
mV/°C
dB
A
mA
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QW-R101-006.P
LM78XX
„
LINEAR INTEGRATED CIRCUIT
ELECTRICAL CHARACTERISTICS(Cont.)
For UTC LM7808 (VIN =14V)
PARAMETER
SYMBOL
Output Voltage
VOUT
Dropout Voltage
VD
Load Regulation
ΔVOUT
Line regulation
ΔVOUT
Quiescent Current
IQ
ΔIQ
Quiescent Current Change
Output Noise Voltage
Temperature Coefficient of Vo
Ripple Rejection
Peak Output Current
Short-Circuit Current
For UTC LM7809 (VIN =15V)
PARAMETER
eN
ΔVo/ΔT
RR
IPEAK
ISC
SYMBOL
Output Voltage
VOUT
Dropout Voltage
VD
Load Regulation
ΔVOUT
Line regulation
ΔVOUT
Quiescent Current
IQ
ΔIQ
Quiescent Current Change
Output Noise Voltage
Temperature Coefficient of Vo
Ripple Rejection
Peak Output Current
Short-Circuit Current
eN
ΔVo/ΔT
RR
IPEAK
ISC
TEST CONDITIONS
TJ =25°C, IOUT=5mA~ 1.0A
VIN =10.5V ~ 23V,
IOUT=5mA ~ 1.0A, PD≤15W
TJ =25°C
TJ =25°C,IOUT=5mA ~ 1.0A
TJ =25°C,IOUT=0.25A ~ 0.75A
VIN =10.5V ~ 25V, TJ =25°C
VIN =10.5V ~ 23V, TJ =25°C,IOUT=1.0A
TJ =25°C, IOUT≤1.0A
VIN =10.5V ~ 23V
IOUT=5mA ~ 1.0A
10Hz≤f≤100kHz
IOUT=5mA
VIN =11.5V ~ 21.5V,
f=120Hz, TJ =25°C
TJ =25°C
VIN =35V, TJ =25°C
MIN
7.68
TEST CONDITIONS
TJ =25°C, IOUT=5mA ~ 1.0A
VIN =11.5V ~ 24V,
IOUT=5mA ~ 1.0A,PD≤15W
TJ =25°C
TJ =25°C,IOUT=5mA ~ 1.0A
TJ =25°C,IOUT=0.25A ~ 0.75A
VIN =11.5V ~ 25 V, TJ =25°C
VIN =11.5V ~ 24V, TJ =25°C, IOUT=1.0A
TJ =25°C, IOUT≤1.0A
VIN =11.5V ~ 24V
IOUT=5mA ~ 1.0A
10Hz≤f≤100kHz
IOUT=5mA
VIN =12.5V ~ 22.5V,f=120Hz, TJ =25°C
TJ =25°C
VIN =35V, TJ =25°C
MIN
8.64
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TYP
8.0
7.60
MAX
8.32
UNIT
V
8.40
V
2.0
58
-0.9
V
mV
mV
mV
mV
mA
mA
mA
μV
mV/°C
72
dB
1.8
250
A
mA
80
40
80
80
8.0
1.0
0.5
56
TYP
9.0
8.55
MAX
9.36
UNIT
V
9.45
V
2.0
90
45
90
90
8.0
1.0
0.5
56
58
-1.1
72
1.8
250
V
mV
mV
mV
mV
mA
mA
mA
μV
mV/°C
dB
A
mA
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QW-R101-006.P
LM78XX
„
LINEAR INTEGRATED CIRCUIT
ELECTRICAL CHARACTERISTICS(Cont.)
For UTC LM7810 (VIN =16V)
PARAMETER
SYMBOL
Output Voltage
VOUT
Dropout Voltage
VD
Load Regulation
ΔVOUT
Line regulation
ΔVOUT
Quiescent Current
IQ
ΔIQ
Quiescent Current Change
Output Noise Voltage
Temperature coefficient of Vo
Ripple Rejection
Peak Output Current
Short-Circuit Current
eN
ΔVo/ΔT
RR
IPEAK
ISC
For UTC LM7812 (VIN =19V)
PARAMETER
SYMBOL
Output Voltage
VOUT
Dropout Voltage
VD
Load Regulation
ΔVOUT
Line regulation
ΔVOUT
Quiescent Current
IQ
ΔIQ
Quiescent Current Change
Output Noise Voltage
Temperature Coefficient of Vo
Ripple Rejection
Peak Output Current
Short-Circuit Current
eN
ΔVo/ΔT
RR
IPEAK
ISC
TEST CONDITIONS
TJ =25°C, IOUT=5mA ~ 1.0A
VIN =12.5V ~ 25V,
IOUT=5mA ~ 1.0A,PD≤15W
TJ =25°C
TJ =25°C,IOUT=5mA - 1.0A
TJ =25°C,IOUT=0.25A - 0.75A
VIN =13V ~ 25V, TJ =25°C
VIN =13V ~ 25V, TJ =25°C,IOUT=1.0A
TJ =25°C, IOUT≤1.0A
VIN =12.6V ~ 25V
IOUT=5mA - 1.0A
10Hz≤f≤100kHz
IOUT=5mA
VIN =13V ~ 23V,f=120Hz, TJ =25°C
TJ =25°C
VIN =35V, TJ =25°C
TYP
10.0
9.50
MAX
10.40
10.50
2.0
100
50
100
100
8.0
1.0
0.5
56
TEST CONDITIONS
MIN
TJ =25°C, IOUT=5mA ~ 1.0A
11.52
VIN =14.5V ~ 27V,
11.40
IOUT=5mA ~ 1.0A,PD≤15W
TJ =25°C
TJ =25°C,IOUT=5mA ~ 1.0A
TJ =25°C,IOUT=0.25A ~ 0.75A
VIN =14.5V ~ 30V, TJ =25°C
VIN =14.6V ~ 27V, TJ =25°C, IOUT=1.0A
TJ =25°C, IOUT≤1.0A
VIN =14.5V ~ 30V
IOUT=5mA ~ 1.0A
10Hz≤f≤100kHz
IOUT=5mA
VIN =15V - 25V,f=120Hz, TJ =25°C
55
TJ =25°C
VIN =35V, TJ =25°C
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MIN
9.60
58
-1.1
72
1.8
250
TYP
12.0
V
mV
mV
mV
mV
mA
mA
mA
μV
mV/°C
dB
A
mA
MAX
12.48
UNIT
V
12.60
V
2.0
120
60
120
120
8.0
1.0
0.5
75
-1.5
72
1.8
250
UNIT
V
V
V
mV
mV
mV
mV
mA
mA
mA
μV
mV/°C
dB
A
mA
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LM78XX
„
LINEAR INTEGRATED CIRCUIT
ELECTRICAL CHARACTERISTICS(Cont.)
For UTC LM7815 (VIN =23V)
PARAMETER
SYMBOL
Output Voltage
VOUT
Dropout Voltage
VD
Load Regulation
ΔVOUT
Line regulation
ΔVOUT
Quiescent Current
IQ
ΔIQ
Quiescent Current Change
Output Noise Voltage
Temperature Coefficient of Vo
Ripple Rejection
Peak Output Current
Short-Circuit Current
eN
ΔVo/ΔT
RR
IPEAK
ISC
For UTC LM7818 (VIN =27V)
PARAMETER
SYMBOL
Output Voltage
VOUT
Dropout Voltage
VD
Load Regulation
ΔVOUT
Line regulation
ΔVOUT
Quiescent Current
IQ
ΔIQ
Quiescent Current Change
Output Noise Voltage
Temperature Coefficient of Vo
Ripple Rejection
Peak Output Current
Short-Circuit Current
eN
ΔVo/ΔT
RR
IPEAK
ISC
TEST CONDITIONS
MIN
TJ =25°C, IOUT=5mA ~ 1.0A
14.40
VIN =17.5V ~ 30V,
14.25
IOUT=5mA ~ 1.0A,PD≤15W
TJ =25°C
TJ =25°C,IOUT=5mA ~ 1.0A
TJ =25°C,IOUT=0.25A ~ 0.75A
VIN =18.5V ~ 30V, TJ =25°C
VIN =17.7V ~ 30V, TJ =25°C, IOUT =1.0A
TJ =25°C, IOUT≤1.0A
VIN =17.5V ~ 30V
IOUT=5mA ~ 1.0A
10Hz≤f≤100kHz
IOUT=5mA
VIN =18.5V ~ 28.5V,f=120Hz, TJ =25°C
54
TJ =25°C
VIN =35V, TJ =25°C
TYP
15.0
TEST CONDITIONS
TJ =25°C, IOUT=5mA ~ 1.0A
VIN =21V ~ 33V,
IOUT=5mA ~ 1.0A, PD≤15W
TJ =25°C
TJ =25°C,IOUT=5mA ~ 1.0A
TJ =25°C,IOUT=0.25A ~ 0.75A
VIN =21V ~ 33V, TJ =25°C
VIN =21V ~ 33V,
TJ =25°C, IOUT =1.0A
TJ =25°C, IOUT≤1.0A
VIN =21.5V ~ 33V
IOUT=5mA ~ 1.0A
10Hz≤f≤100kHz
IOUT=5mA
VIN =22V ~ 32V,f=120Hz, TJ =25°C
TJ =25°C
VIN =35V, TJ =25°C
TYP
18.0
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MIN
17.28
MAX
15.60
UNIT
V
15.75
V
2.0
150
75
150
150
8.0
1.0
0.5
90
-1.8
70
1.8
250
17.10
MAX
18.72
UNIT
V
18.90
V
180
90
180
180
V
mV
mV
mV
mV
2.0
8.0
1.0
0.5
53
110
-2.2
69
1.8
250
V
mV
mV
mV
mV
mA
mA
mA
μV
mV/°C
dB
A
mA
mA
mA
mA
μV
mV/°C
dB
A
mA
8 of 13
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LM78XX
„
LINEAR INTEGRATED CIRCUIT
ELECTRICAL CHARACTERISTICS(Cont.)
For UTC LM7824 (VIN =33V)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN TYP MAX UNIT
TJ =25°C, IOUT=5mA ~ 1.0A
23.04 24.0 24.96
V
Output Voltage
VOUT
VIN =27V ~ 38V,
22.80
25.20
V
IOUT=5mA ~ 1.0A, ,PD≤15W
Dropout Voltage
VD
TJ =25°C
2.0
V
TJ =25°C,IOUT=5mA ~ 1.0A
240
mV
Load Regulation
ΔVOUT
120
mV
TJ =25°C,IOUT=0.25A ~ 0.75A
VIN =27V ~ 38V, TJ =25°C
240
mV
Line regulation
ΔVOUT
240
mV
VIN =27V ~ 38V, TJ =25°C,I OUT=1.0A
Quiescent Current
IQ
TJ =25°C, IOUT≤1.0A
8.0
mA
VIN =28V ~ 38V
1.0
mA
Quiescent Current Change
ΔIQ
IOUT=5mA ~ 1.0A
0.5
mA
Output Noise Voltage
eN
10Hz≤f≤100kHz
170
μV
Temperature Coefficient of Vo
ΔVo/ΔT IOUT=5mA
-2.8
mV/°C
Ripple Rejection
RR
VIN =28V ~ 38V, f=120Hz, TJ =25°C
50
66
dB
Peak Output Current
IPEAK
TJ =25°C
1.8
A
Short-Circuit Current
ISC
VIN =35V, TJ =25°C
250
mA
Note 1: The Maximum steady state usable output current are dependent on input voltage, heat sinking, lead length
of the package and copper pattern of PCB. The data above represents pulse test conditions with junction
temperatures specified at the initiation of test.
Note 2: Power dissipation<0.5W
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QW-R101-006.P
LM78XX
„
LINEAR INTEGRATED CIRCUIT
NOTES FOR USE
1. Thermal design
Use a thermal design that allows for a sufficient margin in light of the power dissipation (Pd) in actual
operating conditions.
2. Absolute maximum ratings
An excess in the absolute maximum ratings, such as supply voltage, temperature range of operating
conditions, etc., can break down the devices, thus making impossible to identify breaking mode, such as a short
circuit or an open circuit. If any over rated values will expect to exceed the absolute maximum ratings, consider
adding circuit protection devices, such as fuses.
3. GND voltage
The potential of GND pin must be minimum potential in all operating conditions.
4. Actions in strong electromagnetic field
Use caution when using the IC in the presence of a strong electromagnetic field as doing so may cause the
IC to malfunction.
5. Inter-pin shorts and mounting errors
Use caution when positioning the IC for mounting on printed circuit boards.
The IC may be damaged if there is any connection error or if pins are shorted together.
6. Thermal shutdown circuit
The IC incorporates a built-in thermal shutdown circuit (TSD circuit). The thermal shutdown circuit (TSD
circuit) is designed only to shut the IC off to prevent thermal runaway. It is not designed to protect the IC or
guarantee its operation. Do not continue to use the IC after operating this circuit or use the IC in an environment
where the operation of this circuit is assumed.
7. Overcurrent Protection Circuit
An overcurrent protection circuit is incorporated in order to prevention destruction due to short-time overload
currents.
Continued use of the protection circuits should be avoided. Please note that the current increases negatively
impact the temperature.
8. Testing on application boards
When testing the IC on an application board, connecting a capacitor to a pin with low impedance subjects the
IC to stress. Always discharge capacitors after each process or step. Always turn the IC's power supply off before
connecting it to or removing it from a jig or fixture during the inspection process. Ground the IC during assembly
steps as an antistatic measure. Use similar precaution when transporting or storing the IC.
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QW-R101-006.P
LM78XX
„
LINEAR INTEGRATED CIRCUIT
NOTES FOR USE(Cont.)
9. Ground Wiring Pattern
When using both small signal and large current GND patterns, it is recommended to isolate the two ground
patterns, placing a single ground point at the ground potential of application so that the pattern wiring resistance
and voltage variations caused by large currents do not cause variations in the small signal ground voltage. Be
careful not to change the GND wiring pattern of any external components, either.
10. Damage to the internal circuit or element may occur when the polarity of the Vcc pin is opposite to that of the
other pins in applications. (I.e. Vcc is shorted with the GND pin while an external capacitor is charged.) Use a
maximum capacitance of 1000μF for the output pins. Inserting a diode to prevent back-current flow in series with Vcc
or bypass diodes between Vcc and each pin is recommended.
Bypass Diode
Diode for preventing back current flow
VCC
Output pin
Bypass Diode
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QW-R101-006.P
LM78XX
Output Voltage, VO (V)
Power Dissipation, PD (W)
TYPICAL CHARACTERISTICS
Output Voltage vs. Input Voltage
Output Voltage Change vs. Junction Temperature
200
IO=5mA
150
10
TJ=25℃
9
8
100
7
50
6
0
5
-50
4
IO=0A
IO=0.5A
3
-100
2
-150
IO=1A
1
0
-200
-50 -25 0 25 50 75 100 125 150
Junction Temperature, TJ (℃)
0
2
6
4
8
10
Input Voltage, VIN (V)
12
Dropout Voltage, VD (V)
GND-Pin Current, IQ (mA)
„
LINEAR INTEGRATED CIRCUIT
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12 of 13
QW-R101-006.P
LM78XX
LINEAR INTEGRATED CIRCUIT
TYPICAL CHARACTERISTICS(Cont.)
Output Voltage, VD (V)
Dropout Voltage, VD (V)
Ripple Rejection, RR (dB)
Output Peak Current, IO peak (A)
„
UTC assumes no responsibility for equipm ent failures that result from using products at values that
exceed, even mom entarily, rated values (such as m aximum ratings, operating condition ranges, or
other param eters) listed in products specifications of any and all UTC products described or contained
herein. UTC products are not designed for use in life support appliances, devices or system s where
m alfunction of these products can be reasonably expected to result in personal injury. Reproduction in
whole or in part is prohibited without the prior written consent of the copyright owner. The inform ation
presented in this docum ent does not form part of any quotation or contract, is believed to be accurate
and reliable and may be changed without notice.
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
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