APL5537 View Datasheet(PDF) - Anpec Electronics
Part Name
Description
MFG CO.
'APL5537' PDF : 16 Pages View PDF
APL5537
Recommended Operating Conditions (Note 3)
Symbol
Parameter
VIN
VIN Input Voltage (VIN to GND)
VEN1, VEN2 EN1, EN2 to GND Voltage
IOUT
VOUT Output Current
TA
Ambient Temperature
TJ
Junction Temperature
Note 3: Refer to the typical application circuit
Range
2.5 ~ 5.5
0 ~ 5.5
0 ~ 300
-40 ~ 85
-40 ~ 125
Unit
V
V
mA
oC
oC
Electrical Characteristics
Unless otherwise specified, these specifications apply over VIN=VOUT+1V, VEN1= VEN2=5V and TA= -40 to 85 oC. Typical values are
at TA=25oC.
Symbol
Parameter
Test Conditions
APL5537
Min. Typ. Max.
Unit
UNDER-VOLTAGE LOCKOUT (UVLO) AND SUPPLY CURRENT
VIN UVLO Threshold Voltage
VIN rising, TA= -40 to 85 oC
VIN UVLO Hysteresis
1.9
2.2 2.45
V
-
0.1
-
V
IQ
VIN Supply Current
No load, VEN1= VEN2=5V
No load, VEN1= VEN2=0V
-
58
90
µA
-
-
1
µA
OUTPUT VOLTAGE (REGULATOR1 AND REGULATOR2)
Output Voltage Accuracy
IOUT=1mA to 300mA, TA= -40 oC to 85 oC
-3.5
-
+3.5
%
Line Regulation
IOUT=1mA, VIN=VOUT+0.3V to 5.5V, or
VIN=2.5V to 5.5V
-
-
0.2 %/V
VDROP
Load Regulation
Dropout Voltage (Note 4)
IOUT=1mA to 300mA
IOUT=300mA
-
-
0.6
%
-
240 330 mV
f=100Hz
-
70
-
PSRR Power Supply Rejection Ratio
IOUT=50mA, COUT=2.2µF
f=1kHz
f=10kHz
-
70
-
dB
-
60
-
f=100kHz
-
35
-
Output Noise
IOUT=1mA, BW=10 to 100kHz, COUT=10µF
-
100
-
µVRMS
VOUT Discharge Resistance
VEN1= VEN2=0V
-
0.7
-
kΩ
ENABLE/DISABLE (EN1 AND EN2)
VIH
EN Input Logic HIGH
VIN=2.5V to 5.5V
1.5
-
-
V
VIL
EN Input Logic LOW
VIN=2.5V to 5.5V
-
-
0.4
V
EN Input Current
VEN1= VEN2=5V
PROTECTIONS (REGULATOR1 AND REGULATOR2)
-
0.2
-
µA
ILIMIT
Current Limit Threshold
330 450 750 mA
ISHORT
Short-Circuit Output Current
Over-Temperature Threshold
-
50
-
mA
-
160
-
°C
Over-Temperature Hysteresis
-
40
-
°C
Soft-Start Time
-
60
-
µs
Note 4: The dropout voltage is defined as VIN - VOUT, when VOUT is 100mV below the value of VOUT for VIN = VOUT + 1V.
Copyright © ANPEC Electronics Corp.
3
Rev. A.7 - Oct., 2011
www.anpec.com.tw
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