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RS7808AI Datasheet(PDF) 5 Page - Orister Corporation

Part # RS7808AI
Description  1.0A Low Dropout Positive Voltage Regulator
Download  12 Pages
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Manufacturer  ORISTER [Orister Corporation]
Direct Link  http://www.orister.com
Logo ORISTER - Orister Corporation

RS7808AI Datasheet(HTML) 5 Page - Orister Corporation

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DS‐RS78XX‐08     September, 2009 
www.Orister.com
RS7809A Series Electrical Characteristics 
VIN=15V, IOUT=500mA, CIN=0.33uF, COUT=0.1uF, 0°C≤TJ≤125°C (unless otherwise specified) 
RS7809AJ/E/I 
Symbol 
Parameter 
Conditions 
Min 
Typ 
Max 
Units 
TJ=25°C, IOUT=500mA 
8.73 
9 
9.27 
5mA≤IOUT≤1A 
VO 
Output Voltage 
11V≤VIN≤25V, POUT≤15W 
8.73 
9 
9.27 
V 
TJ=25°C, 11.5V≤VIN≤25V 
‐ 
3 
90 
ΔV
O 
Line Regulation 
TJ=25°C, 13V≤VIN≤19V 
‐ 
1 
45 
mV 
TJ=25°C, 5mA≤IOUT≤1A 
‐ 
15 
100 
ΔV
O 
Load Regulation 
TJ=25°C, 250mA≤IOUT≤750mA 
‐ 
5 
50 
mV 
IB 
Quiescent Current 
IOUT=5mA, Tj=25°C 
‐ 
3.9 
8 
mA 
IOUT=500mA, 11.5V≤VIN≤26V, TJ=25
oC 
‐ 
‐ 
1.3 
ΔI
B 
Quiescent Current 
Change 
5mA≤IOUT≤1A, VIN=15V, TJ=25
oC 
‐ 
‐ 
0.5 
mA 
eN 
Output Noise Voltage 
B=10Hz~100KHz, IOUT=50mA, TJ=25°C 
‐ 
‐ 
75 
uV/VO 
RR 
Ripple Rejection 
15V≤VIN≤22.5V, f=120Hz, IOUT=50mA, TJ=25
oC 
51 
67 ‐ 
dB 
VD 
Dropout Voltage 
TJ=25°C, IOUT=1A 
‐ 
2 
2.5 
V 
RO 
Output Resistance 
f=1KHz ‐ 
17 ‐ 
mΩ 
ISC 
Short Circuit Current 
TJ=25°C 
‐ 
2.3 
2.8 
A 
ΔV
O/ΔT 
Output Voltage Drift 
0
oC≤T
J≤125
oC 
‐ 
‐ 
1.1 
mV/°C 
RS7812A Series Electrical Characteristics 
VIN=19V, IOUT=500mA, CIN=0.33uF, COUT=0.1uF, 0°C≤TJ≤125°C (unless otherwise specified) 
RS7812AJ/E/I 
Symbol 
Parameter 
Conditions 
Min 
Typ 
Max 
Units 
TJ=25°C, IOUT=500mA 
11.64 
12 
12.36
5mA≤IOUT≤1A 
VO 
Output Voltage 
14V≤VIN≤30V, POUT≤15W 
11.64 
12 
12.36
V 
TJ=25°C, 14.5V≤VIN≤30V 
‐ 
10 
120 
ΔV
O 
Line Regulation 
TJ=25°C, 16V≤VIN≤22V 
‐ 
3 
60 
mV 
TJ=25°C, 5mA≤IOUT≤1A 
‐ 
12 
100 
ΔV
O 
Load Regulation 
TJ=25°C, 250mA≤IOUT≤750mA 
‐ 
4 
60 
mV 
IB 
Quiescent Current 
IOUT=5mA, Tj=25°C 
‐ 
3.9 
8 
mA 
IOUT=500mA, 14.5V≤VIN≤30V, TJ=25
oC 
‐ 
‐ 
1.3 
ΔI
B 
Quiescent Current 
Change 
5mA≤IOUT≤1A, VIN=19V, TJ=25
oC 
‐ 
‐ 
0.5 
mA 
eN 
Output Noise Voltage 
B=10Hz~100KHz, IOUT=50mA, TJ=25°C 
‐ 
‐ 
90 
uV/VO 
RR 
Ripple Rejection 
19V≤VIN≤25V, f=120Hz, IOUT=50mA, TJ=25
oC 
50 
66 ‐ 
dB 
VD 
Dropout Voltage 
TJ=25°C, IOUT=1A 
‐ 
2 
2.5 
V 
RO 
Output Resistance 
f=1KHz ‐ 
18 ‐ 
mΩ 
ISC 
Short Circuit Current 
TJ=25°C 
‐ 
2.3 
2.8 
A 
ΔV
O/ΔT 
Output Voltage Drift 
0
oC≤T
J≤125
oC 
‐ 
‐ 
1.6 
mV/°C 
 
 


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