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YB1210ST8RR270 Datasheet(PDF) 4 Page - YOBON TECHNOLOGIES,INC.

Part No. YB1210ST8RR270
Description  300mA, Ultra-Low-Noise, High PSRR LDO Regulator
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Maker  YOBON [YOBON TECHNOLOGIES,INC.]
Homepage  http://www.yobon.com.tw
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YB1210ST8RR270 Datasheet(HTML) 4 Page - YOBON TECHNOLOGIES,INC.

 
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YB1210R
300mA, Ultra-Low-Noise, High PSRR LDO Regulator
YB1210R Rev.1.6
www.yobon.com.tw
4
Electrical Characteristics
Table 2
VIN = ( VOUT + 1V ), CIN = COUT = 1.0μF, VEN = VIN, TA=25°C, unless otherwise noted.
Description
Symbol
Test Conditions
MIN
TYP
MAX
Units
Input Voltage Range
VIN
2.0
5.5
V
Output Voltage
VOUT
Predefined
1.2
3.6
V
IOUT = 10mA, VOUT ≧ 1.3V
-2.0
+2.0
Output Voltage Accuracy
Δ
VOUT
IOUT = 10mA, VOUT = 1.2V
0
+4.0
%
Output Current Limit
ISC
Short-Circuit Output
200
mA
VOUT = 3.6V, IOUT = 300mA
300
VOUT = 3.0V, IOUT = 300mA
350
VOUT = 2.5V, IOUT = 300mA
450
VOUT = 1.5V, IOUT = 300mA
700
Dropout Voltage (Note 1)
VDROP
VOUT = 1.2V, IOUT = 300mA
870
mV
Ground Current
IG
Iground = IIN - IOUT
60
μA
Line Regulation
Δ
VLINE
VIN=(VOUT+ 1V) to 5.5V, IOUT=10mA
0.3
0.4
%/V
Load Regulation
Δ
VLOAD
IOUT = 1mA to 300mA
1.0
1.5
%
Shutdown Supply Current
ISD
EN = 0V
1
μA
f = 1KHz, IOUT = 1mA
50
f = 10KHz, IOUT = 1mA
60
Ripple Rejection (PSRR)
PSRR
f = 100KHz, IOUT = 1mA
40
dB
Rload = 100 ohm, Cbypass = 0nF
20
50
μs
Start Up Delay (Note 2)
Rload = 100 ohm, Cbypass = 33nF
2
3.5
ms
Rload = 10K ohm, VOUT = 1.5V
1
Shutdown Delay (Note 3)
Rload = 10K ohm, VOUT = 1.2V
1
ms
EN Logic Low Level
VIL
VIN = 2.0V to 5.5V
0.4
V
EN Logic High Level
VIH
VIN = 2.0V to 5.5V
1.2
VIN
V
EN Input Bias Current
IBEN
VIN = EN = VOUT +1V
0.01
μA
Thermal Shutdown
TSD
Shutdown Temperature
160
°C
Thermal Hysteresis
THYS
20
°C
Note :
1. The drop out voltage varies depending on output voltage selection. Dropout is defined as VIN – VOUT when
VOUT is 100mV below nominal VOUT where VIN = VOUT + 1V for nominal VOUT.
2. Time needed for VOUT to reach 90% of final value.
3. Time needed for VOUT to discharge below 0.5V.


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