ACE505
Low noise 150mA LDO regulator
Output Voltage
Temperature
Coefficiency
△Vout/
△T∙Vout
ppm
/C
Iout=30mA
±100
F=1kHz,
Ripple=0.5Vp-p
Vin=Set Vout+1V
Vout=0V
PSRR
Ripple Rejection
65
dB
Ilim
Short Current Limit
CE Pull down
20
mA
M
V
Rpd
2.0
5.0
10.0
Resistance
Vceh
Vcel
CE Input Voltage “H”
1.5
0
Vin
CE Input Voltage “L”
0.25
V
uVr
ms
en
Output Noise
BW=10Hz~100kHz
27
Electrical Characteristics by Output Voltage
Output Voltage
Vout (V)
Dropout Voltage, VDIF (V)
Condition
Typ.
0.38
0.36
0.34
0.32
0.28
0.22
Max.
Vout =1.5V
0.70
0.65
0.60
0.55
0.50
0.35
Vout = 1.6V
Vout = 1.7V
Iout = 120mA
1.8 Vout 2.0
2.1 Vout 2.7
2.8 Vout 4.0
Typical Application Circuit
CE
In
ACE505
VDD
VOUT
Out
+
Cap
GND
+
Cap
Application hints:
Note: Input capacitor (Cin=1uF) and Output capacitor (Cout=1uF/2.2uF) are recommended in all
application circuit.
VER 1.4
4
ACE [ ACE TECHNOLOGY CO., LTD. ]
