FT531 Datasheet, PDF (14/23 Pages) List of Unclassifed Manufacturers – Ultra Low Noise, High PSRR, 250mA LDO

Fremont Micro Devices
FT531xx
Vout=3.0V; En=Vin=(Vout+1)V; Cout=1uF unless otherwise noted
PARAMETER
Output Voltage
Accuracy
Current Limiter
Line Regulations
Load Regulation
Dropout Voltage
Supply Current
Standby Current
Temperature
Coefficient
Output Noise
Voltage
Ripple
Rejection Rate
EN Input
Bias Current
EN Threshold
SYMBOL
Vout
CONDITIONS
Iout=1mA
MIN TYP MAX UNITS
-2
---
+2
%
Imax
Vin=Vout+1V
250 300 ---
mA
Ishort
△Vline
△Vload
Vin=Vout+1V
(Vout+1.0V)~6V
1mA≤Iout≤100mA
--- 20 ---
mA
--- 0.01 0.3 %/V
--- 10 ---
mV
Vdrop
Iout=100mA
--- 120 ---
mV
Iq
Vin=(Vout+1)V,Iout=0mA --- 36 ---
uA
Istby
△ △ Vout/ ( Temp*
Vout)
Shut down
Iout=30mA
-40°C≤Temp≤85°C
--- 0.01 1
uA
---
100
℃ --- ppm/
e_NO
10Hz~100kHz
--- 40 --- uVrms
PSRR@1k
Vin=Vout+1VDC+1Vp-pAC ^---
72
---
dB
PSRR@10k
Iout=30mA
--- 60 ---
Ien
---
0 100
nA
VL
---
---
---
0.3
V
VH
---
1.2 ---
6
V
* Dropout voltage is defined as the input to output differential at which the output voltage drops 2%
below its nominal value measured at 1V differential.
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Page 14 of 23
DS531-A8