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UNISONIC TECHNOLOGIES CO.,
78DxxA
3-TERMINALS 1A POSITIVE VOLTAGE REGULATOR
DESCRIPTION
The UTC 78DXXA family is monolithic fixed voltage regulator integrated circuit. They are suitable for applications that required supply current up to 1 A.
Linear Integrated Circuit
1
FEATURES
* Peak output current up to 1A. * Fixed output voltage of 3.3V, 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.
TO-252
*Pb-free plating product number: 78DxxAL
PIN CONFIGURATION
PIN NO. 1 2 3 PIN NAME Input Ground Output
ORDERING INFORMATION Ordering Number Package Normal Lead Free Plating 78DxxA-TM3-T 78DxxAL-TM3-T TO-251 78DxxA-TN3-R 78DxxAL-TN3-R TO-252 78DxxA-TN3-T 78DXXAL-TN3-T TO-252 Note: xx: Output Voltage, refer to below table. OUTPUT VOLTAGE INFORMATION Output Voltage 3.3V 4.7V 5V 6V 7V 8V 9V 10V 12V 15V 18V 24V Code 33 47 05 06 07 08 09 10 12 15 18 24 Packing Tube Tape Reel Tube
www.unisonic.com.tw Copyright (c) 2005 Unisonic Technologies Co.,
1
QW-R101-010,F
78DxxA
BLOCK DIAGRAM
Linear Integrated Circuit
IN P U T
1
R 13 T 10 R 17 T8 R9 T9 Z2 T 12 T 14 R 19 R 18 R 12
R 14 T 11 T5 T6
T 13 R 11
O U TP U T
R 10
3
R8 R 15 T4 Z1 T 15 R5
R4 R6
T7
R 16
R1
R2
C1 T3
R7
T1
T2
R3
G ND
2
APPLICATION CIRCUIT
Vi 1
UTC 78DXXA 2
3
Vo
C1 0.33 F
C0 0.1 F
Note:Bypass capacitors are recommended for optimum stability and transient response and should be located as close as possible to the regulators.
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
2
QW-R101-010,F
78DxxA
PARAMETER SYMBOL VOUT =3.3~18V VOUT =20~24V
Linear Integrated Circuit
ABSOLUATE MAXIUM RATINGS (Ta = 25,unless otherwise specified)
RATINGS UNIT 35 Input Voltage V VIN 40 Output Current IOUT 1 A Power Dissipation PD Internally Limited W Operating Temperature Range TOPR -40 ~ +85 C Operating Junction Temperature TJ 0~+125 C Storage Temperature Range TSTG -40 ~ +150 C Note:1. Absolute maximum ratings are stress ratings only and functional device operation is not implied. The device could be damaged beyond Absolute maximum ratings. 2. The device is guaranteed to meet performance specifications within 0~70 operating temperature range and assured by design from -40~85. 3.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 are showed as electrical characteristics table represents pulse test conditions with junction temperatures specified at the initiation of test.
ELECTRICAL CHARACTERISTICS (TJ=25, PD15W, unless otherwise specified) For 78D33A (VIN =5.8V, IOUT =0.5A, C1=0.33uF, C0=0.1uF)
PARAMETER Output Voltage Load Regulation Line Regulation Quiescent Current Quiescent Current Change Output Noise Voltage Temperature coefficient of VOUT Ripple Rejection Peak Output Current Short-Circuit Current Dropout Voltage PARAMETER Output Voltage Load Regulation Line Regulation Quiescent Current Quiescent Current Change Output Noise Voltage Temperature coefficient of VOUT Ripple Rejection Peak Output Current Short-Circuit Current Dropout Voltage SYMBOL VOUT VOUT VOUT IQ IQ eN VOUT/T RR IPEAK ISC VD SYMBOL VOUT VOUT VOUT IQ IQ eN VOUT/T RR IPEAK ISC VD TEST CONDITIONS IOUT=5mA ~ 1.0A VIN =5.8~18.3V, IOUT=5mA~1.0A IOUT=5mA~1.0A IOUT=0.25A~0.75A VIN =5.8~18.3V VIN =5.8~18.3V, IOUT=1.0A IOUT1.0A VIN =5.8~18.3V IOUT =5mA~1.0A 10Hzf100kHz IOUT =5mA VIN =6.3~16.3V,f=120Hz VIN =35V MIN 3.168 3.135 TYP 3.30 MAX 3.432 3.465 33 17 33 33 8.0 1.0 0.5 UNIT V V mV mV mV mV mA mA mA V mV/C dB A mA V
55 -0.4 57 1.8 250 2.0
For 78D47A (VIN =9.7V, IOUT =0.5A, C1=0.33uF, C0=0.1uF)
TEST CONDITIONS IOUT =5mA~1.0A VIN=5.8~18.3V, IOUT=5mA~1.0A IOUT=5mA~1.0A IOUT=0.25A~0.75A VIN =5.8~18.3V VIN =5.8~18.3V, IOUT =1.0A IOUT1.0A VIN =5.8~18.3V IOUT =5mA~1.0A 10Hzf100kHz IOUT =5mA VIN =6.3~16.3V,f=120Hz VIN =35V MIN TYP MAX UNIT 4.512 4.70 4.888 V 4.465 4.935 V 47 mV 24 mV 47 mV 47 mV 8.0 mA 1.0 mA 0.5 mA 40 V -0.6 mV/C 62 80 dB 1.8 A 250 mA 2.0 V 3
QW-R101-010,F
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
78DxxA
ELECTRICAL CHARACTERISTICS(Cont.) For 78D05A (VIN =10V, IOUT =0.5A, C1=0.33uF, C0=0.1uF)
PARAMETER Output Voltage Load Regulation Line Regulation Quiescent Current Quiescent Current Change Output Noise Voltage Temperature coefficient of VOUT Ripple Rejection Peak Output Current Short-Circuit Current Dropout Voltage PARAMETER Output Voltage Load Regulation Line Regulation Quiescent Current Quiescent Current Change Output Noise Voltage Temperature coefficient of VOUT Ripple Rejection Peak Output Current Short-Circuit Current Dropout Voltage PARAMETER Output Voltage Load Regulation Line Regulation Quiescent Current Quiescent Current Change Output Noise Voltage Temperature coefficient of VOUT Ripple Rejection Peak Output Current Short-Circuit Current Dropout Voltage SYMBOL VOUT VOUT VOUT IQ IQ eN VOUT/T RR IPEAK ISC VD SYMBOL VOUT VOUT VOUT IQ IQ eN VOUT/T RR IPEAK ISC VD SYMBOL VOUT VOUT VOUT IQ IQ eN VOUT/T RR IPEAK ISC VD
Linear Integrated Circuit
TEST CONDITIONS IOUT =5mA~1.0A VIN =7.5~20V, IOUT =5mA~1.0A IOUT =5mA~1.0A IOUT =0.25A~0.75A VIN =7~25V VIN =7.5~20V, IOUT =1.0A IOUT1.0A VIN =7.5~20V IOUT =5mA~1.0A 10Hzf100kHz IOUT =5mA VIN =8~18V,f=120Hz VIN =35V
MIN
4.80 4.75
TYP
5.0
MAX
5.20 5.25 50 25 50 50 8.0 1.0 0.5
40 -0.6 62 80 1.8 250 2.0
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 4
For 78D06A (VIN =11V, IOUT =0.5A, C1=0.33uF, C0=0.1uF)
TEST CONDITIONS IOUT =5mA~1.0A VIN =8.5~21V, IOUT =5mA~1.0A IOUT =5mA~1.0A IOUT =0.25A~0.75A VIN =8~25V VIN =8.5~21V, IOUT =1.0A IOUT1.0A VIN =8.5~21V IOUT =5mA~1.0A 10Hzf100kHz IOUT =5mA VIN =9~19V,f=120Hz VIN =35V MIN
5.76 5.7
TYP
6.0
MAX
6.24 6.3 60 30 60 60 8.0 1.0 0.5
45 -0.7 59 75 1.8 250 2.0
For 78D07A (VIN =13V, IOUT =0.5A, C1=0.33uF, C0=0.1uF)
TEST CONDITIONS IOUT =5mA~1.0A VIN =9.5~22V, IOUT =5mA~1.0A IOUT =5mA~1.0A IOUT =0.25A~0.75A VIN =9~25V VIN =9.5~22V, IOUT =1.0A IOUT1.0A VIN =9.5~22V IOUT =5mA~1.0A 10Hzf100kHz IOUT =5mA VIN =10~20V,f=120Hz VIN =35V MIN
6.72 6.65
TYP
7.0
MAX
7.28 7.35 70 35 70 70 8.0 1.0 0.5
50 -0.8 59 75 1.7 250 2.0
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
QW-R101-010,F
78DxxA
ELECTRICAL CHARACTERISTICS(Cont.) For 78D08A (VIN =14V, IOUT =0.5A, C1=0.33uF, C0=0.1uF)
PARAMETER Output Voltage Load Regulation Line Regulation Quiescent Current Quiescent Current Change Output Noise Voltage Temperature coefficient of VOUT Ripple Rejection Peak Output Current Short-Circuit Current Dropout Voltage PARAMETER Output Voltage Load Regulation Line Regulation Quiescent Current Quiescent Current Change Output Noise Voltage Temperature coefficient of VOUT Ripple Rejection Peak Output Current Short-Circuit Current Dropout Voltage PARAMETER Output Voltage Load Regulation Line Regulation Quiescent Current Quiescent Current Change Output Noise Voltage Temperature coefficient of VOUT Ripple Rejection Peak Output Current Short-Circuit Current Dropout Voltage SYMBOL VOUT VOUT VOUT IQ IQ eN VOUT/T RR IPEAK ISC VD SYMBOL VOUT VOUT VOUT IQ IQ eN VOUT/T RR IPEAK ISC VD SYMBOL VOUT VOUT VOUT IQ IQ eN VOUT/T RR IPEAK ISC VD
Linear Integrated Circuit
TEST CONDITIONS IOUT =5mA~1.0A VIN =10.5~23V, IOUT =5mA~1.0A IOUT =5mA~1.0A IOUT =0.25A~0.75A VIN =10.5~25V VIN =10.5~23V, IOUT =1.0A IOUT1.0A VIN =10.5~23V IOUT =5mA~1.0A 10Hzf100kHz IOUT =5mA VIN =11.5~21.5V,f=120Hz VIN =35V
MIN
7.68 7.6
TYP
8.0
MAX
8.32 8.4 80 40 80 80 8.0 1.0 0.5
58 -0.9 56 72 1.8 250 2.0
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 5
For 78D09A (VIN =15V, IOUT =0.5A, C1=0.33uF, C0=0.1uF)
TEST CONDITIONS IOUT =5mA~1.0A VIN =11.5~24V, IOUT =5mA~1.0A IOUT =5mA~1.0A IOUT =0.25A~0.75A VIN =11.5~25V VIN =11.5~24V, IOUT =1.0A IOUT1.0A VIN =11.5~24V IOUT =5mA~1.0A 10Hzf100kHz IOUT =5mA VIN =12.5~22.5V,f=120Hz VIN =35V MIN
7.68 7.6
TYP
8.0
MAX
8.32 8.4 80 40 80 80 8.0 1.0 0.5
58 -0.9 56 72 1.8 250 2.0
For 78D10A (VIN =16V, IOUT =0.5A, C1=0.33uF, C0=0.1uF)
TEST CONDITIONS IOUT =5mA~1.0A VIN =12.5~25V, IOUT =5mA~1.0A IOUT =5mA~1.0A IOUT =0.25A~0.75A VIN =13~25V VIN =13~25V, IOUT =1.0A IOUT1.0A VIN =12.6V~25V IOUT =5mA~1.0A 10Hzf100kHz IOUT =5mA VIN =13~23V,f=120Hz VIN =35V MIN
9.60 9.5
TYP
10.0
MAX
10.40 10.5 100 50 100 100 8.0 1.0 0.5
58 -1.1 56 72 1.8 250 2.0
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
QW-R101-010,F
78DxxA
ELECTRICAL CHARACTERISTICS(Cont.) For 78D12A (VIN =19V, IOUT =0.5A, C1=0.33uF, C0=0.1uF)
PARAMETER Output Voltage Load Regulation Line Regulation Quiescent Current Quiescent Current Change Output Noise Voltage Temperature coefficient of VOUT Ripple Rejection Peak Output Current Short-Circuit Current Dropout Voltage PARAMETER Output Voltage Load Regulation Line Regulation Quiescent Current Quiescent Current Change Output Noise Voltage Temperature coefficient of VOUT Ripple Rejection Peak Output Current Short-Circuit Current Dropout Voltage PARAMETER Output Voltage Load Regulation Line Regulation Quiescent Current Quiescent Current Change Output Noise Voltage Temperature coefficient of VOUT Ripple Rejection Peak Output Current Short-Circuit Current Dropout Voltage SYMBOL VOUT VOUT VOUT IQ IQ eN VOUT/T RR IPEAK ISC VD SYMBOL VOUT VOUT VOUT IQ IQ eN VOUT/T RR IPEAK ISC VD SYMBOL VOUT VOUT VOUT IQ IQ eN VOUT/T RR IPEAK ISC VD
Linear Integrated Circuit
TEST CONDITIONS IOUT =5mA~1.0A VIN =14.5~27V, IOUT =5mA~1.0A IOUT =5mA~1.0A IOUT =0.25A~0.75A VIN =14.5~30V VIN =14.6~27V, IOUT =1.0A IOUT1.0A VIN =12.6~25V IOUT =5mA~1.0A 10Hzf100kHz IOUT =5mA VIN =15~25V,f=120Hz VIN =35V
MIN
11.52 11.4
TYP
12.0
MAX
12.48 12.6 120 60 120 120 8.0 1.0 0.5
75 -1.5 55 72 1.8 250 2.0
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 6
For 78D15A (VIN =23V, IOUT =0.5A, C1=0.33uF, C0=0.1uF)
TEST CONDITIONS IOUT =5mA~1.0A VIN =17.5~30V, IOUT =5mA~1.0A IOUT =5mA~1.0A IOUT =0.25A~0.75A VIN =18.5~30V VIN =17.7~30V, IOUT =1.0A IOUT1.0A VIN =17.5~30V IOUT =5mA~1.0A 10Hzf100kHz IOUT =5mA VIN =18.5~28.5V,f=120Hz VIN =35V MIN
11.52 11.4
TYP
12.0
MAX
12.48 12.6 120 60 120 120 8.0 1.0 0.5
75 -1.5 55 72 1.8 250 2.0
For 78D18A (VIN =27V, IOUT =0.5A, C1=0.33uF, C0=0.1uF)
TEST CONDITIONS IOUT=5mA~1.0A VIN =21~33V, IOUT=5mA~1.0A IOUT=5mA~1.0A IOUT=0.25A~0.75A VIN =21~33V VIN =21~33V, IOUT =1.0A IOUT1.0A VIN =21.5~33V IOUT=5mA~1.0A 10Hzf100kHz IOUT =5mA VIN =22~32V,f=120Hz VIN =35V MIN
17.28 17.1
TYP
18.0
MAX
18.72 18.9 180 90 180 180 8.0 1.0 0.5
110 -2.2 53 69 1.8 250 2.0
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
QW-R101-010,F
78DxxA
ELECTRICAL CHARACTERISTICS(Cont.) For 78D24A (VIN=33V, IOUT =0.5A, C1=0.33uF, C0=0.1uF)
PARAMETER Output Voltage Load Regulation Line Regulation Quiescent Current Quiescent Current Change Output Noise Voltage Temperature coefficient of VOUT Ripple Rejection Peak Output Current Short-Circuit Current Dropout Voltage SYMBOL VOUT VOUT VOUT IQ IQ eN VOUT/T RR IPEAK ISC VD
Linear Integrated Circuit
TEST CONDITIONS IOUT=5mA~1.0A VIN =27~38V, IOUT=5mA~1.0A IOUT=5mA~1.0A IOUT=0.25A~0.75A VIN =27~38V VIN =27~38V, IOUT =1.0A IOUT1.0A VIN =28~38V IOUT=5mA~1.0A 10Hzf100kHz IOUT =5mA VIN =28~38V,f=120Hz VIN=35V
MIN
23.04 22.8
TYP
24.0
MAX
24.96 25.2 240 120 240 240 8.0 1.0 0.5
170 -2.8 50 66 1.8 250 2.0
UNIT V V mV mV mV mV mA mA mA V mV/C dB A mA V
UTC assum es no responsibility for equipm ent failures that result from using products at v alues that ex ceed, ev en m om entarily, rated v alues (such as m ax im um ratings, operating condition ranges, or other param eters) listed in products specifications of any and all UT C products described or contained herein. UT C products are not designed for use in life support appliances, dev ices or system s where m alfunction of these products can be reasonably expected to result in personal injury. R eproduction in whole or in part is prohibited without the prior written consent of the copyright owner. T he inform ation presented in this docum ent does not form part of any quotation or contract, is believ ed to be accurate and reliable and m ay be changed without notice.
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
7
QW-R101-010,F

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