Dual Channel 200mA LDO Regulator
Electrical Characteristics
Table 2
T
A
= 25℃, V
IN
= Max
(VO1,VO2)
+ 1 V , C
IN
= C
OU T
1= Cout2=1.0μF, EN = VIN, unless otherwise noted
YB1220
Function Parameter
Input Voltage Range
Output Voltage
Output Voltage Accuracy
Output Current Limit
Predefined
Conditions
Min
2.0
1.2
-2.0
0
Typ
Max
6.0
3.6
+2.0
+4.0
Units
V
V
%
%
mA
I
OUT
= 10mA, VO >= 1.3V
I
OUT
= 10mA, VO = 1.2V
Short-Circuit Output Limit
V
OUT
= 3.3V, I
OUT
= 200mA
V
OUT
= 2.8V, I
OUT
= 200mA
80
300
380
420
550
800
80
0.4
1.0
~0.01
62
50
34
0.4
1.5
0.01
160
20
Dropout Voltage
(Note 1)
V
OUT
= 2.5V, I
OUT
= 200mA
V
OUT
= 1.8V, I
OUT
= 200mA
V
OUT
= 1.2V, I
OUT
= 200mA
mV
Ground Current
Line Regulation
Load Regulation
Shutdown Supply Current
Iout = 0mA
VIN = Max(VO1,VO2)+1V to 6V,
Iout =10mA
Iout = 1mA to 200mA
EN1 = EN2 = 0V
F = 1KHz, Iout = 1mA
μA
%/V
%
μA
dB
dB
dB
V
V
μA
℃
℃
Ripple Rejection (PSRR)
F = 10KHz, Iout = 1mA
F = 100KHz, Iout = 1mA
EN Logic Low Level
EN Logic High Level
EN Input Bias Current
Thermal Shutdown
Thermal Hysteresis
VIN = 2.0V to 6V
VIN = 2.0V to 6V
VIN = EN = 6V
Shutdown Temperature
Note 1 :
The drop out voltage varies depending on output voltage selection
Dropout is defined as VIN–VO when VO is 100mV below VO where VIN=Max(VO1,VO2) for nominal VO.
Note 2:
Time needed for V
OUT
to reach 90% of final value.
YB1220 MRev.1.1
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4
YOBON [ YOBON TECHNOLOGIES,INC. ]
