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RS7808AI Datasheet(PDF) 3 Page - Orister Corporation

Part # RS7808AI
Description  1.0A Low Dropout Positive Voltage Regulator
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Manufacturer  ORISTER [Orister Corporation]
Direct Link  http://www.orister.com
Logo ORISTER - Orister Corporation

RS7808AI Datasheet(HTML) 3 Page - Orister Corporation

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DS‐RS78XX‐08     September, 2009 
www.Orister.com
Absolute Maximum Ratings 
Parameter 
Symbol 
Maximum 
Unit 
Input Voltage 
VIN 
40 
Power Dissipation 
PD 
Internally limited 
(Note) 
Operating Temperature 
TOPR 
0 to 125 
o
Storage Temperature 
TSTG ‐55 to 150 
o
Junction Temperature 
TJ 
150 
o
Note:  
(1)TA=25
oC, TO‐252 / TO‐251: 1W, TO‐220AB: 2.7W 
(2)TC=25
oC, All package: 10W 
Thermal Data 
Characteristic 
Symbol 
TO‐252 / TO‐251 
TO‐220AB 
Unit 
Thermal Resistance Junction‐Case 
Rth(j‐c) 
12.5 
12.5 
oC/W 
Thermal Resistance Junction‐Ambient 
Rth(j‐a) 
125 
47 
oC/W 
RS7805A Series Electrical Characteristics 
VIN=10V, IOUT=500mA, CIN=0.33uF, COUT=0.1uF, 0°C≤TJ≤125°C (unless otherwise specified) 
RS7805AJ/E/I 
Symbol 
Parameter 
Conditions 
Min 
Typ 
Max 
Units 
TJ=25°C, IOUT=500mA 
4.85 
5.15 
5mA≤IOUT≤1A 
VO 
Output Voltage 
7V≤VIN≤25V, POUT≤15W 
4.85 
5.15 
TJ=25°C, 7V≤VIN≤25V 
‐ 
50 
ΔV
O 
Line Regulation 
TJ=25°C, 8V≤VIN≤12V 
‐ 
25 
mV 
TJ=25°C, 5mA≤IOUT≤1A 
‐ 
15 
100 
ΔV
O 
Load Regulation 
TJ=25°C, 250mA≤IOUT≤750mA 
‐ 
50 
mV 
IB 
Quiescent Current 
IOUT=5mA, TJ=25°C 
‐ 
3.9 
mA 
IOUT=500mA, 7V≤VIN≤25V, TJ=25
o
‐ 
‐ 
1.3 
ΔI
B 
Quiescent Current 
Change 
5mA≤IOUT≤1A, VIN=10V, TJ=25
o
‐ 
‐ 
0.5 
mA 
eN 
Output Noise Voltage 
B=10Hz~100KHz, IOUT=50mA, TJ=25°C 
‐ 
50 ‐ 
uV/VO 
RR 
Ripple Rejection 
10V≤VIN≤18V, f=120Hz, IOUT=50mA, TJ=25
o
57 
73 ‐ 
dB 
VD 
Dropout Voltage 
TJ=25°C, IOUT=1A 
‐ 
2.5 
RO 
Output Resistance 
f=1KHz ‐ 
17 ‐ 
mΩ 
ISC 
Short Circuit Current 
TJ=25°C 
‐ 
2.3 
2.8 
ΔV
O/ΔT 
Output Voltage Drift 
0
oC≤T
J≤125
o
‐ 
‐ 
0.6 
mV/°C 
 
 
 
 
 
 
 


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