YB1210R Datasheet, PDF (4/12 Pages) YOBON TECHNOLOGIES,INC. – 300mA, Ultra-Low-Noise, High PSRR LDO Regulator

YB1210R
300mA, Ultra-Low-Noise, High PSRR LDO Regulator
Electrical Characteristics
Table 2 V_IN = ( V_OUT + 1V ), C_IN = C_OUT = 1.0μF, V_EN = V_IN, T_A=25°C, unless otherwise noted.
Description
Symbol
Test Conditions
MIN TYP MAX Units
Input Voltage Range
V_IN
2.0
5.5 V
Output Voltage
V_OUT Predefined
1.2
Output Voltage Accuracy
ΔV_OUT ^{IOUT = 10mA, VOUT ≧ 1.3V}
-2.0
I_OUT = 10mA, V_OUT = 1.2V
0
3.6 V
+2.0
%
+4.0
Output Current Limit
I_SC
Short-Circuit Output
200
mA
V_OUT = 3.6V, I_OUT = 300mA
300
Dropout Voltage (Note 1)
V_DROP
V_OUT = 3.0V, I_OUT = 300mA
V_OUT = 2.5V, I_OUT = 300mA
350
450
mV
V_OUT = 1.5V, I_OUT = 300mA
700
V_OUT = 1.2V, I_OUT = 300mA
870
Ground Current
Line Regulation
Load Regulation
Shutdown Supply Current
I_G
ΔV_LINE
ΔV_LOAD
I_SD
Iground = I_IN - I_OUT
V_IN=(V_OUT+ 1V) to 5.5V, I_OUT=10mA
I_OUT = 1mA to 300mA
EN = 0V
60
μA
0.3 0.4 %/V
1.0 1.5 %
1
μA
Ripple Rejection (PSRR)
PSRR
f = 1KHz, I_OUT = 1mA
f = 10KHz, I_OUT = 1mA
50
60
dB
f = 100KHz, I_OUT = 1mA
40
Start Up Delay (Note 2)
Rload = 100 ohm, Cbypass = 0nF
Rload = 100 ohm, Cbypass = 33nF
20 50 μs
2 3.5 ms
Shutdown Delay (Note 3)
Rload = 10K ohm, V_OUT = 1.5V
Rload = 10K ohm, V_OUT = 1.2V
1
ms
1
EN Logic Low Level
V_IL
V_IN = 2.0V to 5.5V
0.4 V
EN Logic High Level
V_IH
V_IN = 2.0V to 5.5V
1.2
V_IN
V
EN Input Bias Current
I_BEN
V_IN = EN = V_OUT +1V
0.01
μA
Thermal Shutdown
T_SD Shutdown Temperature
160
°C
Thermal Hysteresis
T_HYS
20
°C
Note :
1. The drop out voltage varies depending on output voltage selection. Dropout is defined as V_IN – V_OUT when
V_OUT is 100mV below nominal V_OUT where V_IN = V_OUT + 1V for nominal V_OUT.
2. Time needed for V_OUT to reach 90% of final value.
3. Time needed for V_OUT to discharge below 0.5V.
YB1210R Rev.1.6
www.yobon.com.tw
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