YB1211 Datasheet, PDF (4/9 Pages) YOBON TECHNOLOGIES,INC. – 300mA External Adjustable LDO Regulator

YB1211
300mA External Adjustable LDO Regulator
Electrical Characteristics
Table 2
T_A = 25℃, V_IN = ( V_OUT + 1 V ), C_IN = C_{OU T} = 1.0μF, V_EN = V_IN, unless otherwise noted
Function Parameter
Input Voltage Range
Output Voltage
Internal Reference Voltage
Output Current Limit
Dropout Voltage (Note 1)
Ground Current
Line Regulation
Load Regulation
Shutdown Supply Current
Ripple Rejection (PSRR)
Start Up Delay (Note 2)
EN Logic Low Level
EN Logic High Level
EN Input Bias Current
Thermal Shutdown
Thermal Hysteresis
Conditions
External adjustable
I_OUT = 10mA
Short-circuit output
Vout = 5.0V, Iout = 300 mA
Vout = 3.0V, Iout = 300 mA
Vout = 2.0V, Iout = 300 mA
Vout = 1.5V, Iout = 300 mA
Vout = 1.2V, Iout = 300 mA
Iground = Iin - Iout
Vin = (Vout + 1V) to 6V, Iout = 10 mA
Iout = 1mA to 300 mA
EN = 0.4V
f = 1KHz, Iout = 1 mA
f = 10KHz, Iout = 1 mA
f = 100 KHz, Iout = 1 mA
Rload=100ohm
Vin = 2.0V to 6.0V
Vin = 2.0V to 6.0 V
Vin = EN = Vout + 1V
Shutdown Temperature
Min
2.0
1.235
1.210
1.2
Typ Max Units
6.0
V
5.0
V
1.235 1.260 V
300
mA
250
350
480
mV
700
850
60
μA
0.42
%/V
1.0
%
0.01
μA
50
45
dB
27
20
50
μS
0.4
V
Vin
V
0.01
μA
160
°C
20
°C
Note1 : The drop out voltage varies depending on output voltage selection. Dropout is defined as V_IN–V_OUT
when V_OUT is 100mV below V_OUT where Vin=Vout + 1V for nominal V_OUT.
Note 2: Time needed for V_OUT to reach 90% of final value.
YB1211 MRev. 1.0
www.yobon.com.tw
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