Document
UTC 78DXX
LINEAR INTEGRATED CIRCUIT
3-TERMINAL 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 TO-252
FEATURE
*Output current up to 0.5 A *Fixed output voltage of 3.3V,4.7V,5V, 6V, 8V, 9V, 12V, 15V ,18V and 24V available *Thermal overload shutdown protection *Short circuit current limiting *Output transistor SOA protection
1 TO-251
1: Input
2: GND
3: Output
EQUIVALENT CIRCUIT
INPUT
1
R13 T10 R17 T8 R9 T9 Z2 T12 T14 R19 R18 R11
R14
T11
T13 T5 T6
R12 R10
OUTPUT
3
R8 R15 T4 Z1 T15 R5
R4 R6
T7
R16
R1
R2
C1 T3
R7
T1
T2
R3
GND
2
UTC
UNISONIC TECHNOLOGIES CO. LTD
1
QW-R101-005,C
UTC 78DXX
PARAMETER
LINEAR INTEGRATED CIRCUIT
SYMBOL
VI Io PD TJ TSTG Internally
ABSOLUTE MAXIMUM RATINGS
( Operating temperature range applies unless otherwise specified )
VALUE
35 40 0.5 Limited +150 -65 to+150
UNIT
V V A W °C °C
Input voltage(for Vo=5~18V) (for Vo=20~24V) Output Current Power Dissipation Operating Junction Temperature Range Storage Temperature Range
UTC 78D33 ELECTRICAL CHARACTERISTICS
( VI=8.5V, Io=0.5A, Tj= 0°C - 12°C, C1=0.33uF, Co=0.1uF, unless otherwise specified )(Note 1)
PARAMETER
Output Voltage
SYMBOL
Vo
TEST CONDITIONS
Tj=25°C, IO=5mA –0.5A VI =5.8V to 18.3V IO=5mA– 0.5A PD<7W Tj=25°C,IO=5mA – 0.5A Tj=25°C,IO=5mA – 200mA VI =5.8V to 18.3V,Tj=25°C VI=5.8V to18.3V,Tj=25°C,Io=0.5A Tj=25°C, IO=0.5A VI =5.8V to 18.3V IO=5mA – 0.5A 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 TYP MAX
3.168 3.30 3.432 3.135 3.465 33 17 33 33 8.0 1.0 0.5 55 -0.4 57 1.8 250 2.0
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
UTC 78D47 ELECTRICAL CHARACTERISTICS
( VI=9.7V, Io=0.5A, Tj= 0°C - 12°C, C1=0.33uF, Co=0.1uF, unless otherwise specified )(Note 1)
PARAMETER
Output Voltage
SYMBOL
Vo
TEST CONDITIONS
Tj=25°C, IO=5mA – 0.5A VI =7.2V to 19.7V IO=5mA– 0.5A, PD<7W Tj=25°C,IO=5mA - 0.5A Tj=25°C,IO=5mA –200mA VI =7.2V to 19.7V,Tj=25°C VI=7.2V to19.7V,Tj=25°C,Io=0.5A Tj=25°C, IO=0.5A VI =7.2V to 19.7V IO=5mA – 0.5A 10Hz<=f<=100kHz Io=5mA VI =7.7V 17.7V,f=120Hz,Tj=25°C Tj=25°C
MIN TYP MAX
4.512 4.70 4.888 4.465 4.935 47 24 47 47 8.0 1.0 0.5 40 -0.6 80 1.8
UNIT
V V mV mV mV mV mA mA mA µV mV/°C dB A
Load Regulation Line regulation Quiescent Current Quiescent Current Change Output Noise Voltage Temperature coefficient of Vo Ripple Rejection Peak Output Current
∆Vo ∆Vo Iq ∆Iq VN ∆Vo/∆T RR IPK
62
UTC
UNISONIC TECHNOLOGIES CO. LTD
2
QW-R101-005,C
UTC 78DXX
PARAMETER
Short-Circuit Current Dropout Voltage
LINEAR INTEGRATED CIRCUIT
SYMBOL
ISC Vd
TEST CONDITIONS
VI=35V, Tj=25°C Tj=25°C
MIN TYP MAX
250 2.0
UNIT
mA V
UTC78D05 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 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
SYMBOL
Vo ∆Vo ∆Vo Iq ∆Iq VN ∆Vo/∆T RR IPK ISC Vd
TEST CONDITIONS
Tj=25°C, IO=5mA - 0.5A VI =7.5V to 20V, IO=5mA – 0.5A,PD<7W Tj=25°C,IO=5mA - 0.5A Tj=25°C,IO=5mA - 200 mA VI =7V to 25V,Tj=25°C VI =7.5V to 20V,Tj=25°C,Io=0.5A Tj=25°C, IO=0.5A VI =7.5V to 20V IO=5mA - 0.5A 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 uV mV/°C dB A mA V
62
40 -0.6 80 1.2 250 2.0
UTC78D06 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 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
SYMBOL
Vo ∆Vo ∆Vo Iq ∆Iq VN ∆Vo/∆T RR IPK ISC Vd
TEST CONDITIONS
Tj=25°C, IO=5mA - 0.5A VI =8.5V to 21V, IO=5mA – 0.5A, PD<7W Tj=25°C,IO=5mA - 0.5A Tj=25°C,IO=5mA - 200mA VI =8V to 25V,Tj=25°C VI =8.5V to 21V,Tj=25°C,Io=0.5A Tj=25°C, IO=0.5A VI =8.5V to 21V IO=5mA – 0.5A 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 uV mV/°C dB A mA V
59
45 -0.7 75 1.2 250 2.0
UTC78D08 ELECTRICAL CHARACTERISTICS
( VI=14V, Io=0.5A, Tj= 0°C - 125°C, C1=0.33uF, Co=0.1uF, unless otherwise specified )(Note 1)
PARAMETER
SYMBOL
TEST CONDITIONS
Tj=25°C, IO=5mA - 0.5A
MIN
7.68
TYP
8.0
MAX
8.32
UNIT
V
UTC
UNISONIC TECHNOLOGIES CO. LTD
3
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