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NCP508 Datasheet(PDF) 3 Page - ON Semiconductor

No. de Pieza. NCP508
Descripción  Very Low Noise, Fast Turn On, 50 mA Low Dropout Voltage Regulator
Descarga  15 Pages
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Fabricante  ONSEMI [ON Semiconductor]
Página de inicio  http://www.onsemi.com
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NCP508 Datasheet(HTML) 3 Page - ON Semiconductor

 
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ELECTRICAL CHARACTERISTICS (Vin = Vout(nom) + 1.0 V, Venable = Vin, Cin = 1.0 mF, Cout = 1.0 mF, TJ = 25°C, unless otherwise
noted)
Characteristic
Symbol
Min
Typ
Max
Unit
Output Voltage Tolerance (TA = 25°C, Iout = 10 mA)
Vout
−2
+2
%
Output Voltage Tolerance (TA = −40°C to 85°C, Iout = 10 mA)
Vout
−3
+3
%
Line Regulation (Vin = Vout + 1 V to 12 V, Iout = 10 mA) (Note 5)
Regline
2
20
mV
Load Regulation (Iout = 1.0 mA to 50 mA) (Note 5)
Regload
6
40
mV
Output Current (Vout = Vout(nom) – 0.1 V)
Iout(nom)
50
mA
Dropout Voltage (Vout = 3.0 V, Measured at Vout – 100 mV)
Iout = 30 mA
Iout = 40 mA
Iout = 50 mA
Vin−Vout
140
155
180
250
300
mV
Quiescent Current
(Enable Input = 0V)
IQ
0.1
1
mA
Ground Current
(Enable Input = Vin, Vin = Vout + 1 V, Iout = 0 mA)
(Enable Input = Vin, Iout = 1 mA)
(Enable Input = Vin, Iout = 10 mA)
(Enable Input = Vin, Iout = 50 mA)
IGND
145
160
300
1100
200
260
500
1900
mA
Enable Input Threshold Voltage
(Voltage Increasing, Output Turns On, Logic High)
(Voltage Decreasing, Output Turns Off, Logic Low)
Vth(en)
0.9
0.15
V
Enable Input Current (Venable = 2.4 V)
Ienable
8.0
15
mA
Output Turn On Time (Note 6)
20
ms
Output Short Circuit Current Limit (Vout = 0 V)
Iout(max)
100
250
mA
Ripple Rejection (Vin = Vout(nom) + 1 Vdc + 0.5 Vpp, f = 1 kHz, Io = 10 mA)
RR
70
dB
Output Noise Voltage (f = 100 Hz to 100 kHz) (Vout = 1.5 V)
Vn
39
mVrms
5. Low duty cycle pulse techniques are used during testing to maintain the junction temperature as close to ambient as possible.
6. Turn on time is defined from Enable at 10% to Vout at 95% nominal value. Min and max values TA = −40°C to 85°C, Tjmax = 125°C. Venable
= 0 V to Vin. Cout = 1.0 mF.


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