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UNISONIC TECHNOLOGIES CO., LTD 78TXXA
3-TERMINAL 1A POSITIVE VOLTAGE REGULATOR
1
DESCRIPTION
The UTC 78TXXA family is monolithic fixed voltage regulator integrated circuit. They are suitable for applications that required supply current up to 1 A.
LINEAR INTEGRATED CIRCUIT
TO-263
FEATURES
*Peak Output Current Up To 1 A *Fixed Output Voltage Of 4.7V ,5V, 6V, 7V, 8V, 9V, 10V, 12V, 15V, 18V and 24V Available *Thermal Overload Shutdown Protection *Short Circuit Current Limiting *Output Transistor SOA Protection
1
TO-263-3
ORDERING INFORMATION
Order Number Normal Lead Free Plating Halogen Free 78TxxA-TQ2-R 78TXXAL-TQ2-R 78TxxAG-TQ2-R 78TxxA-TQ2-T 78TxxAL-TQ2-T 78TxxAG-TQ2-T 78TxxA-TQ3-R 78TxxAL-TQ3-R 78TxxAG-TQ3-R 78TxxA-TQ3-T 78TxxAL-TQ3-T 78TxxAG-TQ3-T Note: Pin Code: I: Input G: GND O: Output Pin Assignment 1 2 3 I G O I G O I G O I G O Package TO-263 TO-263 TO-263-3 TO-263-3 Packing Tape Reel Tube Tape Reel Tube
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78TXXA
MARKING INFORMATION
PACKAGE VOLTAGE CODE 47 :4.7V 05 :5.0V 06 :6.0V 07 :7.0V 08 :8.0V 09 :9.0V 10 :10V 12 :12V 15 :15V 18 :18V 24 :24V
LINEAR INTEGRATED CIRCUIT
MARKING
TO-263 TO-263-3
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2 of 8 QW-R101-012.H
78TXXA
TEST CIRCUIT
LINEAR INTEGRATED CIRCUIT
INPUT
1
R13 T10 R17 T8 R9 T9 Z2 T12 T14 R19 R18 R12 R11 R10
R14 T11 T5 T6
T13
OUTPUT
3
R8 R15 T4 Z1 T15 R5
R4 R6
T7 R1 R2 C1 T3 T1 T2 R3 R7
R16
GND
2
APPLICATION CIRCUIT
VIN
1
UTC 78TXXA 2
3
VOUT
CI 0.33 F
CO 0.1 F
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 8 QW-R101-012.H
78TXXA
PARAMETER VOUT=4.7~18V VOUT=24V
LINEAR INTEGRATED CIRCUIT
ABSOLUTE MAXIMUM RATINGS (Operating temperature range applies unless otherwise specified)
SYMBOL RATING UNIT VIN 35 V Input Voltage VIN 40 V Output Current IOUT 1 A Power Dissipation PD Internally Limited W Junction Temperature TJ +125 Operating Junction Temperature TOPR -20~ +85 Storage Temperature TSTG -40~ +150 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.
ELECTRICAL CHARACTERISTICS (TJ= 0-125,CI =0.33uF,CO=0.1uF,unless otherwise specified) (Note 1)
FOR 78T47A (VIN=9.7V, IOUT=0.5A) PARAMETER SYMBOL Output Voltage Load Regulation Line regulation Quiescent Current Quiescent Current Change Output Noise Voltage Temperature coefficient of Vo Ripple Rejection Peak Output Current Short-Circuit Current Dropout Voltage VOUT VOUT VOUT IQ IQ eN Vo/T RR IPEAK ISC VD TEST CONDITIONS MIN TJ=25C, IOUT=5mA-1.0A 4.512 VIN=7.2V~19.7V,IOUT=5mA-1.0A,PD15W 4.465 TJ=25C, IOUT=5mA-1.0A TJ=25C, IOUT=0.25A-0.75A VIN=7.2V~19.7V, TJ=25C VIN=7.2V~19.7V, TJ=25C, IOUT=1.0A TJ=25C, IOUT1.0A VIN=7.2V~19.7V IOUT=5mA-1.0A 10Hzf100kHz IOUT=5mA VIN=7.7V-17.7V, f=120Hz, TJ=25C TJ=25C VIN=35V, TJ=25C TJ=25C TEST CONDITIONS TJ=25C, IOUT=5mA - 1.0A VIN=7.5V~20V,IOUT=5mA-1.0A, PD15W TJ=25C, IOUT=5mA-1.0A TJ=25C, IOUT=0.25A-0.75A VIN=7V~25V, TJ=25C VIN=7.5V~20V, TJ=25C, IOUT=1.0A TJ=25C, IOUT1.0A VIN=7.5V~20V IOUT=5mA-1.0A 10Hzf100kHz IOUT=5mA VIN=8V-18V, f=120Hz, TJ=25C TJ=25C VIN=35V, TJ=25C TJ=25C TYP 4.70 MAX 4.888 4.935 47 24 47 47 8.0 1.0 0.5 40 -0.6 80 1.8 250 2.0 TYP 5.0 MAX 5.20 5.25 50 25 50 50 8.0 1.0 0.5 UNIT V V mV mV mV mV mA mA mA V mV/C dB A mA V UNIT V V mV mV mV mV mA mA mA V mV/C dB A mA V
62
FOR 78T05A (VIN=10V, IOUT=0.5A) PARAMETER SYMBOL Output Voltage Load Regulation Line regulation Quiescent Current Quiescent Current Change Output Noise Voltage Temperature coefficient of Vo Ripple Rejection Peak Output Current Short-Circuit Current Dropout Voltage VOUT VOUT VOUT IQ IQ eN Vo/T RR IPEAK ISC VD
MIN 4.80 4.75
62
40 -0.6 80 1.8 250 2.0
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www.unisonic.com.tw
4 of 8 QW-R101-012.H
78TXXA
ELECTRICAL CHARACTERISTICS(Cont.)
FOR 78T06A (VIN=11V, IOUT=0.5A) PARAMETER SYMBOL Output Voltage Load Regulation Line regulation Quiescent Current Quiescent Current Change Output Noise Voltage Temperature coefficient of Vo Ripple Rejection Peak Output Current Short-Circuit Current Dropout Voltage VOUT VOUT VOUT IQ IQ eN Vo/T RR IPEAK ISC VD
LINEAR INTEGRATED CIRCUIT
TEST CONDITIONS TJ=25C, IOUT=5mA-1.0A VIN=8.5V~21V,IOUT=5mA-1.0A, PD15W TJ=25C, IOUT=5mA-1.0A TJ=25C, IOUT=0.25A-0.75A VIN=8V~25V, TJ=25C VIN=8.5V~21V, TJ=25C, IOUT=1.0A TJ=25C, IOUT1.0A VIN=8.5V~21V IOUT=5mA-1.0A 10Hzf100kHz IOUT=5mA VIN=9V-19V, f=120Hz, TJ=25C TJ=25C VIN=35V, TJ=25C TJ=25C TEST CONDITIONS TJ=25C, IOUT=5mA-1.0A VIN=9.5V~22V,IOUT=5mA-1.0A,PD15W TJ=25C, IOUT=5mA-1.0A TJ=25C, IOUT=0.25A-0.75A VIN=9V~25V, TJ=25C VIN=9.5V~22V, TJ=25C, IOUT=1.0A TJ=25C, IOUT1.0A VIN=9.5V~22V IOUT=5mA-1.0A 10Hzf100kHz IOUT=5mA VIN=10V-20V, f=120Hz, TJ=25C TJ=25C VIN=35V, TJ=25C TJ=25C TEST CONDITIONS TJ=25C, IOUT=5mA-1.0A VIN=10.5V~23V,IOUT=5mA-1.0A,PD15W TJ=25C, IOUT=5mA-1.0A TJ=25C, IOUT=0.25A-0.75A VIN=10.5V~25V, TJ=25C VIN=10.5V~23V, TJ=25C, IOUT=1.0A TJ=25C, IOUT1.0A VIN=10.5V~23V IOUT=5mA-1.0A 10Hzf100kHz IOUT=5mA VIN=11.5V~21.5V, f=120Hz, TJ=25C TJ=25C VIN=35V, TJ=25C TJ=25C
MIN 5.76 5.70
TYP 6.0
MAX 6.24 6.30 60 30 60 60 8.0 1.0 0.5
59
45 -0.7 75 1.8 250 2.0 TYP 7.0 MAX 7.28 7.35 70 35 70 70 8.0 1.0 0.5
UNIT V V mV mV mV mV mA mA mA V mV/C dB A mA V UNIT V V mV mV mV mV mA mA mA V mV/C dB A mA V UNIT V V mV mV mV mV mA mA mA V mV/C dB A mA V
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FOR 78T07A (VIN=13V, IOUT=0.5A) PARAMETER SYMBOL Output Voltage Load Regulation Line regulation Quiescent Current Quiescent Current Change Output Noise Voltage Temperature coefficient of Vo Ripple Rejection Peak Output Current Short-Circuit Current Dropout Voltage VOUT VOUT VOUT IQ IQ eN Vo/T RR IPEAK ISC VD
MIN 6.72 6.65
59
50 -0.8 75 1.7 250 2.0 TYP 8.0 MAX 8.32 8.40 80 40 80 80 8.0 1.0 0.5
FOR 78T08A (VIN=14V, IOUT=0.5A) PARAMETER SYMBOL Output Voltage Load Regulation Line regulation Quiescent Current Quiescent Current Change Output Noise Voltage Temperature coefficient of Vo Ripple Rejection Peak Output Current Short-Circuit Current Dropout Voltage VOUT VOUT VOUT IQ IQ eN Vo/T RR IPEAK ISC VD
MIN 7.68 7.60
56
58 -0.9 72 1.8 250 2.0
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
QW-R101-012.H
78TXXA
ELECTRICAL CHARACTERISTICS(Cont.)
FOR 78T09A (VIN=15V, IOUT=0.5A) PARAMETER SYMBOL Output Voltage Load Regulation Line regulation Quiescent Current Quiescent Current Change Output Noise Voltage Temperature coefficient of Vo Ripple Rejection Peak Output Current Short-Circuit Current Dropout Voltage VOUT VOUT VOUT IQ IQ eN Vo/T RR IPEAK ISC VD
LINEAR INTEGRATED CIRCUIT
TEST CONDITIONS TJ=25C, IOUT=5mA - 1.0A VIN=11.5V~24V,IOUT=5mA-1.0A,PD15W TJ=25C, IOUT=5mA-1.0A TJ=25C, IOUT=0.25A-0.75A VIN=11.5V~25 V, TJ=25C VIN=11.5V~24V, TJ=25C, IOUT=1.0A TJ=25C, IOUT1.0A VIN=11.5V~24V IOUT=5mA-1.0A 10Hzf100kHz IOUT=5mA VIN=12.5V~22.5V, f=120Hz, TJ=25C TJ=25C VIN=35V, TJ=25C TJ=25C TEST CONDITIONS TJ=25C, IOUT=5mA-1.0A VIN=12.5V~25V,IOUT=5mA-1.0A,PD15W TJ=25C, IOUT=5mA-1.0A TJ=25C, IOUT=0.25A-0.75A VIN=13V~25V, TJ=25C VIN=13V~25V, TJ=25C, IOUT=1.0A TJ=25C, IOUT1.0A VIN=12.6V~25V IOUT=5mA-1.0A 10Hzf100kHz IOUT=5mA VIN=13V-23V, f=120Hz, TJ=25C TJ=25C VIN=35V, TJ=25C TJ=25C TEST CONDITIONS TJ=25C, IOUT=5mA-1.0A VIN=14.5V~27V,IOUT=5mA-1.0A,PD15W TJ=25C, IOUT=5mA-1.0A TJ=25C, IOUT=0.25A-0.75A VIN=14.5V~30V, TJ=25C VIN=14.6V~27V, TJ=25C, IOUT=1.0A TJ=25C, IOUT1.0A VIN=14.5V~30V IOUT=5mA-1.0A 10Hzf100kHz IOUT=5mA VIN=15V-25V, f=120Hz, TJ=25C TJ=25C VIN=35V, TJ=25C TJ=25C
MIN 8.64 8.55
TYP 9.0
MAX 9.36 9.45 90 45 90 90 8.0 1.0 0.5
56
58 -1.1 72 1.8 250 2.0
UNIT V V mV mV mV mV mA mA mA V mV/C dB A mA V
FOR 78T10A (VIN=16V, IOUT=0.5A) PARAMETER SYMBOL Output Voltage Load Regulation Line regulation Quiescent Current Quiescent Current Change VOUT VOUT VOUT IQ IQ
MIN 9.60 9.50
TYP 10.0
Output Noise Voltage eN Temperature coefficient of Vo Vo/T Ripple Rejection RR Peak Output Current IPEAK Short-Circuit Current ISC Dropout Voltage VD FOR 78T12A (VIN=19V, IOUT=0.5A) PARAMETER SYMBOL Output Voltage Load Regulation Line regulation Quiescent Current Quiescent Current Change Output Noise Voltage Temperature coefficient of Vo Ripple Rejection Peak Output Current Short-Circuit Current Dropout Voltage VOUT VOUT VOUT IQ IQ eN Vo/T RR IPEAK ISC VD
56
58 -1.1 72 1.8 250 2.0 TYP 12.0
MAX UNIT 10.40 V 10.50 V 100 mV 50 mV 100 mV 100 mV 8.0 mA 1.0 mA 0.5 mA V mV/C dB A mA V MAX UNIT 12.48 V 12.60 V 120 mV 60 mV 120 mV 120 mV 8.0 mA 1.0 mA 0.5 mA V mV/C dB A mA V
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MIN 11.52 11.40
55
75 -1.5 72 1.8 250 2.0
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78TXXA
ELECTRICAL CHARACTERISTICS(Cont.)
FOR 78T15A (VIN=23V, IOUT=0.5A) PARAMETER SYMBOL Output Voltage Load Regulation Line regulation Quiescent Current Quiescent Current Change Output Noise Voltage Temperature coefficient of Vo Ripple Rejection Peak Output Current Short-Circuit Current Dropout Voltage VOUT VOUT VOUT IQ IQ eN Vo/T RR IPEAK ISC VD
LINEAR INTEGRATED CIRCUIT
TEST CONDITIONS MIN TJ=25C, IOUT=5mA-1.0A 14.40 VIN=17.5V~30V,IOUT=5mA-1.0A,PD15W 14.25 TJ=25C, IOUT=5mA-1.0A TJ=25C, IOUT=0.25A-0.75A VIN=18.5V~30V, TJ=25C VIN=17.7V~30V, TJ=25C, IOUT=1.0A TJ=25C, IOUT1.0A VIN=17.5V~30V IOUT=5mA-1.0A 10Hzf100kHz IOUT=5mA VIN=18.5V~28.5V, f=120Hz, TJ=25C 54 TJ=25C VIN=35V, TJ=25C TJ=25C TEST CONDITIONS TJ=25C, IOUT=5mA-1.0A VIN=21V~33V, IOUT=5mA-1.0A, PD15W TJ=25C, IOUT=5mA-1.0A TJ=25C, IOUT=0.25A-0.75A VIN=21V~33V, TJ=25C VIN=21V~33V, TJ=25C, IOUT=1.0A TJ=25C, IOUT1.0A VIN=21.5V~33V IOUT=5mA-1.0A 10Hzf100kHz IOUT=5mA VIN=22V-32V, f=120Hz, TJ=25C TJ=25C VIN=35V, TJ=25C TJ=25C MIN 17.28 17.10
TYP 15.0
MAX 15.60 15.75 150 75 150 150 8.0 1.0 0.5
90 -1.8 70 1.8 250 2.0 TYP 18.0 MAX 18.72 18.90 180 90 180 180 8.0 1.0 0.5
UNIT V V mV mV mV mV mA mA mA V mV/C dB A mA V UNIT V V mV mV mV mV mA mA mA V mV/C dB A mA V
FOR 78T18A (VIN=27V, IOUT=0.5A) PARAMETER SYMBOL Output Voltage Load Regulation Line regulation Quiescent Current Quiescent Current Change Output Noise Voltage Temperature coefficient of Vo Ripple Rejection Peak Output Current Short-Circuit Current Dropout Voltage VOUT VOUT VOUT IQ IQ eN Vo/T RR IPEAK ISC VD
53
110 -2.2 69 1.8 250 2.0
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www.unisonic.com.tw
7 of 8 QW-R101-012.H
78TXXA
ELECTRICAL CHARACTERISTICS(Cont.)
FOR 78T24A (VIN=33V, IOUT=0.5A) PARAMETER SYMBOL
LINEAR INTEGRATED CIRCUIT
TEST CONDITIONS MIN TYP MAX UNIT TJ=25C, IOUT=5mA-1.0A 23.04 24.0 24.96 V Output Voltage VOUT VIN=27V~38V, IOUT=5mA-1.0A, PD15W 22.80 25.20 V TJ=25C, IOUT=5mA-1.0A 240 mV Load Regulation VOUT TJ=25C, IOUT=0.25A-0.75A 120 mV VIN=27V~38V, TJ=25C 240 mV Line regulation VOUT VIN=27V~38V, TJ=25C, IOUT=1.0A 240 mV Quiescent Current IQ TJ=25C, IOUT1.0A 8.0 mA VIN=28V~38V 1.0 mA Quiescent Current Change IQ 0.5 mA IOUT=5mA-1.0A Output Noise Voltage eN 10Hzf100kHz 170 V Temperature coefficient of Vo Vo/T IOUT=5mA -2.8 mV/C Ripple Rejection RR VIN=28V-38V, f=120Hz, TJ=25C 50 66 dB Peak Output Current IPEAK TJ=25C 1.8 A Short-Circuit Current ISC VIN=35V, TJ=25C 250 mA Dropout Voltage VD TJ=25C 2.0 V 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
UTC assumes no responsibility for equipment failures that result from using products at values that exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other parameters) 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 systems where malfunction 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 information presented in this document does not form part of any quotation or contract, is believed to be accurate and reliable and may be changed without notice.
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