Document
UNISONIC TECHNOLOGIES CO., LTD
78DXX
LINEAR INTEGRATED CIRCUIT
3-TERMINALS 0.5A POSITIVE VOLTAGE REGULATOR
DESCRIPTION
The UTC 78DXX family is monolithic fixed voltage regulator integrated circuit. They are suitable for applications that required supply current up to 0.5 A.
1
1
SOT-223
TO-251
1
1
FEATURE
* Output Current Up To 0.5 A * Fixed Output Voltage Of 5V, 6V, 7V, 8V, 9V, 10, 12V, 15V, 18V, 20V and 24V Available * Thermal Overload Shutdown Protection * Short Circuit Current Limiting * Output Transistor SOA Protection
TO-252
1 TO-252-3
TO-252D 1
PDFN5×6
ORDERING INFORMATION
Ordering Number
Lead Free
Halogen Free
Package
12
Pin Assignment 34567
8
Packing
78DXXL-AA3-R
78DXXG-AA3-R
SOT-223 I G O - - - - - Tape Reel
78DXXL-TM3-T
78DXXG-TM3-T
TO-251 I G O - - - - - Tube
78DXXL-TN3-R
78DXXG-TN3-R
TO-252 I G O - - - - - Tape Reel
78DXXL-TNA-R
78DXXG-TNA-R
TO-252-3 I G O - - - - - Tape Reel
78DXXL-TND-R
78DXXG-TND-R
TO-252D I G O - - - - - Tape Reel
78DXXL-P5060-R
78DXXG-P5060-R PDFN5×6 I I I O G G G G Tape Reel
Note: 1. XX: Output Voltage, refer to Marking Information
2. Pin Code: I: Input G: GND O: Output
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QW-R101-005.AI
78DXX
MARKING INFORMATION
PACKAGE
VOLTAGE CODE
SOT-223
TO-251 TO-252 TO-252-3 TO-252D
PDFN5×6
05: 5V 06: 6V 07: 7V 08: 8V 09: 9V 10: 10V 12: 12V 15: 15V 18: 18V 20: 20V 24: 24V
PIN CONFIGURATION
LINEAR INTEGRATED CIRCUIT
MARKING
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www.unisonic.com.tw
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QW-R101-005.AI
78DXX
LINEAR INTEGRATED CIRCUIT
BLOCK DIAGRAM
R13
R17
T10
T8
R14
T11
T5
R9
Z2
T12
T9
T14 R19
R18 R12
T13
R11 R10
T6 R8
R15 Z1
R5 T4
T15
R4
R6
R16
T7
R1
R2
C1
R7
T3
T1
T2
1 INPUT 3 OUTPUT
R3 2 GND
TYPICAL APPLICATION CIRCUIT
VIN CI=0.33 μF
1 UTC 78DXX 3 2
VoUT CO=0.1 μF
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
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QW-R101-005.AI
78DXX
LINEAR INTEGRATED CIRCUIT
ABSOLUTE MAXIMUM RATINGS (TJ=25°C, unless otherwise specified)
PARAMETER
SYMBOL
RATINGS
UNIT
Input Voltage Output Current
VOUT=5~20V VOUT=24V
VIN
IOUT
35
V
40
V
0.5
A
SOT-223
8.3
W
Power Dissipation (TC=25°C)
TO-251/TO-252 TO-252-3/TO-252D
PD
10
W
PDFN5×6
8.0
W
Operating Junction Temperature
TJ
+150
°C
Operating Temperature Storage Temperature
TOPR TSTG
-40 ~ +125
°C
-65 ~ +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.
THERMAL DATA
Junction to Case
PARAMETER SOT-223 TO-251/TO-252 TO-252-3/TO-252D PDFN5×6
SYMBOL θJC
ELECTRICAL CHARACTERISTICS
(TJ=25°C, CI =0.33μF, CO=0.1μF, PD≤7W, unless otherwise specified)
For 78D05 (VIN=10V, IOUT=0.5A) PARAMETER
Output Voltage
Load Regulation
Line Regulation Quiescent Current Quiescent Current Change Output Noise Voltage Ripple Rejection Peak Output Current Short-Circuit Current Dropout Voltage
SYMBOL VOUT
∆VOUT
∆VOUT IQ ∆IQ eN RR
IPEAK ISC VD
TEST CONDITIONS IOUT=5mA~0.5A VIN =7.5~20V,IOUT=5mA~0.5A IOUT=5mA~0.5A IOUT=5mA~200 mA VIN =7V~25V VIN =7.5~20V, IOUT=0.5A IOUT=0.5A VUT =7.5~20V IOUT=5mA~0.5A 10Hz≤f≤100kHz VIN =8~18V,f=120Hz
VIN=VOUT+19V
RATINGS 15
12.5
15.6
UNIT °C/W
°C/W
°C/W
MIN TYP MAX UNIT
4.90 5.0 5.10 V
4.85
5.15 V
50 mV
25 mV
50 mV
50 mV
8 mA
1 mA
0.5 mA
40
μV
59 80
dB
1.2
A
250
mA
2
V
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
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QW-R101-005.AI
78DXX
LINEAR INTEGRATED CIRCUIT
ELECTRICAL CHARACTERISTICS (Cont.)
For 78D06 (VIN=11V, IOUT=0.5A) PARAMETER
Output Voltage
Load Regulation
Line Regulation Quiescent Current Quiescent Current Change Output Noise Voltage Ripple Rejection Peak Output Current Short-Circuit Current Dropout Voltage For 78D07 (VIN=13V, IOUT=0.5A)
PARAMETER Output Voltage
Load Regulation
Line Regulation Quiescent Current Quiescent Current Change Output Noise Voltage Ripple Rejection Peak Output Current Short-Circuit Current Dropout Voltage For 78D08 (VIN=14V, IOUT=0.5A)
PARAMETER Output Voltage
Load Regulation
Line Regulation Quiescent Current Quiescent Current Change Output Noise Voltage Ripple Rejection Peak Output Current Short-Circuit Current Dropout Voltage
SYMBOL
TEST CONDITIONS
VOUT
IOUT=5mA~0.5A VIN=8.5~21V,IOUT=5mA~0.5A
∆VOUT
IOUT=5mA~0.5A IOUT=5mA~200mA
∆VOUT
VIN=8~25V VIN=8.5~21V, IOUT=0.5A
IQ
IOUT=0.5A
∆IQ
VIN =8.5~21V IOUT=5mA~0.5A
eN 10Hz≤f≤100kHz
RR IPEAK
VIN =9~19V,f=120Hz
ISC
VIN=VOUT+19V
VD
SYMBOL
TEST CONDITIONS
VOUT
IOUT=5mA~0.5A VIN=9.5~22V,IOUT=5mA~0.5A
∆VOUT
IOUT=5mA~0.5A IOUT=5mA~200mA
∆VOUT
VIN=10.5~25V VIN=10.5~23V, IOUT=0.5A
IQ
IOUT=0.5A
∆IQ
VIN =10.5~23V .