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©GUANGDONG HOTTECH INDUSTRIAL CO.,LTD E-mail:hkt
@
heketai.com
PLASTIC-ENCAPSULATE VOLTAGE REGULATORS
FEATURES
Maximum Output Current IO: 0.5 A
Output Voltage VO: 5 V
Continuous Total Dissipation
PD: 1.25 W (Ta= 25 ℃ )
Surface Mount device
SCHEMATIC DIAGRAM OT -252
MECHANICAL DATA
Case: TO-252
Case Material: Molded Plastic. UL flammability
Classification Rating: 94V-0
Weight: 0.055 grams (approximate)
MAXIMUM RATINGS (Operating temperature range applies unless otherwise specified)
Parameter Symbol Value Unit
Input Voltage
V
i
35 V
Power Dissipation
PD
1250 mW
Thermal Resistance from Junction to Ambient
R
θJA
80 °C/W
Operating Temperature
T
opr
-25~+125 °C
Storage Temperature Range
TSTG
-65 ~+150 °
C
78M05
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/ 5
©GUANGDONG HOTTECH INDUSTRIAL CO.,LTD E-mail:hkt
@
heketai.com
PLASTIC-ENCAPSULATE VOLTAGE REGULATORS
ELECTRICAL CHARACTERISTICS AT SPECIFIED VIRTUAL JUNCTION TEMPERATURE
(Vi=10V,Io=350mA,Ci=0.33uF,,Co=0.1uF, unless otherwise specified )
Parameter Symbol Min Typ Max Unit Conditions
Output voltage
V
O
4.80 5.0 5.20 V
TJ=+25°C
4.75 5.0 5.25
V
7V≤V
i
≤20V
,
I
O
=5mA~350mA,
-25°C≤TJ≤+125°C
Load Regulation
ΔV
O
15 100
mV I
O
=5mA~500mA,T
J
=+25
°
C
5 50
mV
I
O
=5mA~200mA,T
J
=+25
°
C
Line regulation
ΔV
O
3 100
mV 7V≤V
i
≤25V,I
O
=200mA,TJ=+25°C
1 50
mV 8V
≤
V
i
≤
25V,I
O
=200mA,T
J
=+25
°
C
Quiescent Current
Iq 4.2 6
mA TJ=+25°C
Quiescent Current Change
ΔI
q
0.8
mA 8V≤V
i
≤25V,-25°C≤TJ≤+125°C
0.5
mA 5mA
≤I
O
≤35
0mA,-25
°
C
≤
T
J≤+
125
°
C
Output Noise Voltage V
N
42
µV/VO 10Hz≤f≤100kHz,TJ=+25°C
Ripple Rejection RR
62 80
dB
8V≤V
i
≤18V,f=120Hz,I
O
=300mA
-25
°
C
≤
T
J≤+
125
°
C
Dropout Voltage V
d
2 2.5
V I
O
=350mA,TJ=+25°C
Short Circuit Current I
SC
300
mA V
i
=10V,TJ=+25°C
Peak Current I
pk
0.5
A T
J
=+25
°
C
*Pulse Test
TYPICAL APPLICATION
Note: Bypass capacitors are recommended for optimum stability and transient response and should
be located as close as Possible to the regulators.
78M05
78M05