NCP4587
ELECTRICAL CHARACTERISTICS
−40°C ≤ TA ≤ 85°C; VIN = VOUT(NOM) + 1 V or 2.5 V, whichever is greater; IOUT = 1 mA, CIN = COUT = 0.47 mF, unless otherwise noted.
Typical values are at TA = +25°C.
Parameter
Test Conditions
Symbol
Min
Typ
Max
Unit
AE Pin Threshold Voltage
AE Input Voltage “H”
VAEH
1.0
V
AE Input Voltage “L”
VAEL
0.4
AE Pull Down Current
IAEPD
0.1
mA
Power Supply Rejection Ratio
VIN = VOUT + 1 V or 2.2 V whichever is higher,
PSRR
70
dB
DVIN = 0.2 Vpk−pk, IOUT = 30 mA, f = 1 kHz, Fast
Mode
Output Noise Voltage
VOUT = 1.2 V, IOUT = 30 mA, f = 10 Hz to
VN
100 kHz
115
mVrms
Low Output Nch Tr. On
Resistance
VIN = 4 V, VCE = 0 V
RLOW
50
W
3. VIN > 1.4 V condition is dominant against this specification
4. The value of quiescent current is excluding the pull−down current of CE and AE pin
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