Document
UTC 78DXXA
LINEAR INTEGRATED CIRCUIT
3-TERMINAL 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.
FEATURES
*Peak output current up to 1 A *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
1
TO-252
1:Input
2:GND
3:Output
TEST 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 11 R 10
R 14 T 11 T5 T6
T 13
O U TP U T
3
R8 R 15 T4 Z1 T 15 R5
R4 R6
T7
R 16
R1
R2
C1 T3
R7
T1
T2
R3
GND
2
UTC
UNISONIC TECHNOLOGIES CO., LTD.
1
QW-R101-010,E
UTC 78DXXA
PARAMETER
Input voltage (for Vo=3.3~18V) (for Vo=24V) Output Current
LINEAR INTEGRATED CIRCUIT
SYMBOL
VI Io PD Topr Tstg Internally
ABSOLUTE MAXIMUM RATINGS ( Operating temperature range applies unless otherwise specified )
RATING
35 40 1 Limited -20 ~ +150 -55 ~ +150
UNIT
V V A W °C °C
Power Dissipation Operating Junction Temperature Range Storage Temperature Range
UTC 78D33A ELECTRICAL CHARACTERISTICS
( VI=5.8V, Io=0.5A, Tj= 0°C - 125°C, C1=0.33uF, Co=0.1uF, unless otherwise specified )(Note 1)
PARAMETER
Output Voltage
SYMBOL
Vo
TEST CONDITIONS
Tj=25°C, IO=5mA - 1.0A VI =5.8V to 18.3V, IO=5mA - 1.0A, PD≦15W Tj=25°C,IO=5mA - 1.0A Tj=25°C,IO=0.25A - 0.75A VI =5.8V to 18.3V,Tj=25°C VI =5.8V to 18.3V,Tj=25°C,Io=1.0A Tj=25°C, IO≦1.0A VI =5.8V to 18.3V IO=5mA - 1.0A 10Hz≦f≦100kHz Io=5mA VI=6.3V–16.3V,f=120Hz,Tj=25°C Tj=25°C VI=35V, Tj=25°C Tj=25°C
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 µV mV/°C dB A mA V
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
∆Vo ∆Vo Iq ∆Iq VN ∆Vo/∆T RR IPK ISC Vd
55 -0.4 57 1.8 250 2.0
UTC 78D47A ELECTRICAL CHARACTERISTICS
( VI=9.7V, Io=0.5A, Tj= 0°C - 125°C, C1=0.33uF, Co=0.1uF, unless otherwise specified )(Note 1)
PARAMETER
Output Voltage
SYMBOL
Vo
TEST CONDITIONS
Tj=25°C, IO=5mA - 1.0A VI =7.2V to 19.7V, IO=5mA - 1.0A, PD≦15W Tj=25°C,IO=5mA - 1.0A Tj=25°C,IO=0.25A - 0.75A VI =7.2V to 19.7V,Tj=25°C VI =7.2V to 19.7V,Tj=25°C,Io=1.0A Tj=25°C, IO≦1.0A VI =7.2V to 19.7V IO=5mA - 1.0A 10Hz≦f≦100kHz Io=5mA VI =7.7V -17.7V, f=120Hz, Tj=25°C Tj=25°C VI=35V, Tj=25°C
MIN
4.512 4.465
TYP
4.70
MAX
4.888 4.935 47 24 47 47 8.0 1.0 0.5
UNIT
V V mV mV mV mV mA mA mA µV mV/°C dB A mA
Load Regulation Line regulation Quiescent Current Quiescent Current Change Output Noise Voltage Temperature coefficient of Vo Ripple Rejection Peak Output Current Short-Circuit Current
∆Vo ∆Vo Iq ∆Iq VN ∆Vo/∆T RR IPK ISC
62
40 -0.6 80 1.8 250
UTC
UNISONIC TECHNOLOGIES CO., LTD.
2
QW-R101-010,E
UTC 78DXXA
PARAMETER
Dropout Voltage
LINEAR INTEGRATED CIRCUIT
SYMBOL
Vd Tj=25°C
TEST CONDITIONS
MIN
TYP
2.0
MAX
UNIT
V
UTC 78D05A ELECTRICAL CHARACTERISTICS
( VI=10V, Io=0.5A, Tj= 0°C - 125°C, C1=0.33uF, Co=0.1uF, unless otherwise specified )(Note 1)
PARAMETER
Output Voltage
SYMBOL
Vo
TEST CONDITIONS
Tj=25°C, IO=5mA - 1.0A VI =7.5V to 20V, IO=5mA - 1.0A, PD≦15W Tj=25°C,IO=5mA - 1.0A Tj=25°C,IO=0.25A - 0.75A VI =7V to 25V,Tj=25°C VI =7.5V to 20V,Tj=25°C,Io=1.0A Tj=25°C, IO≦1.0A VI =7.5V to 20V IO=5mA - 1.0A 10Hz≦f≦100kHz Io=5mA VI =8V - 18V,f=120Hz,Tj=25°C Tj=25°C VI=35V, Tj=25°C Tj=25°C
MIN
4.80 4.75
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 µV mV/°C dB A mA V
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
∆Vo ∆Vo Iq ∆Iq VN ∆Vo/∆T RR IPK ISC Vd
62
40 -0.6 80 1.8 250 2.0
UTC 78D06A ELECTRICAL CHARACTERISTICS
( VI=11V, Io=0.5A, Tj= 0°C - 125°C, C1=0.33uF, Co=0.1uF, unless otherwise specified )(Note 1)
PARAMETER
Output Voltage
SYMBOL
Vo
TEST CONDITIONS
Tj=25°C, IO=5mA - 1.0A VI =8.5V to 21V, IO=5mA - 1.0A, PD≦15W Tj=25°C,IO=5mA - 1.0A Tj=25°C,IO=0.25A - 0.75A VI =8V to 25V,Tj=25°C VI =8.5V to 21V,Tj=25°C,Io=1.0A Tj=25°C, IO≦1.0A VI =8.5V to 21V IO=5mA - 1.0A 10Hz≦f≦100kHz Io=5mA VI =9V - 19V,f=120Hz,Tj=25°C Tj=25°C VI=35V, Tj=25°C Tj=25°C
MIN
5.76 5.70
TYP
6.0
MAX
6.24 6.30 60 30 60 60 8.0 1.0 0.5
UNIT
V V mV mV mV mV mA mA mA µV mV/°C dB A mA V
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
∆Vo ∆Vo Iq ∆Iq VN ∆Vo/∆T RR IPK ISC Vd
59
45 -0.7 75 1.8 250 2.0
UTC
UNISONIC TECHNOLOGIES CO., LTD.
3
QW-R101-010,E
UTC 78DXXA
PARAMETER
Output Voltage
LINEAR INTEGRATED CIRCUIT
SYMBOL
Vo
UTC 78D07A ELECTRICAL CHARACTERISTICS
( VI=13V, Io=0.5A, Tj= 0°C - 125°.