NCP508(2010) Ver la hoja de datos (PDF) - ON Semiconductor
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NCP508 Datasheet PDF : 15 Pages
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NCP508
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)
Output Voltage Tolerance (TA = −40°C to 85°C, Iout = 10 mA)
Line Regulation (Vin = Vout + 1 V to 12 V, Iout = 10 mA) (Note 5)
Load Regulation (Iout = 1.0 mA to 50 mA) (Note 5)
Output Current (Vout = Vout(nom) – 0.1 V)
Dropout Voltage (Vout = 3.0 V, Measured at Vout – 100 mV)
Iout = 30 mA
Iout = 40 mA
Iout = 50 mA
Quiescent Current
(Enable Input = 0V)
Vout
−2
−
+2
%
Vout
−3
−
+3
%
Regline
−
2
20
mV
Regload
−
6
40
mV
Iout(nom)
50
−
−
mA
Vin−Vout
mV
−
140
250
−
155
300
−
180
−
IQ
mA
−
0.1
1
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)
Enable Input Threshold Voltage
(Voltage Increasing, Output Turns On, Logic High)
(Voltage Decreasing, Output Turns Off, Logic Low)
IGND
Vth(en)
mA
−
145
200
−
160
260
−
300
500
−
1100 1900
V
0.9
−
−
−
−
0.15
Enable Input Current (Venable = 2.4 V)
Output Turn On Time (Note 6)
Ienable
−
−
8.0
15
mA
−
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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