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參數(shù)資料
| 型號： | YB1211ST25 |
| 廠商： | YOBON TECHNOLOGIES, INC. |
| 英文描述： | 300mA External Adjustable LDO Regulator |
| 中文描述： | 300mA的外部可調(diào)LDO穩(wěn)壓器 |
| 文件頁數(shù)： | 4/9頁 |
| 文件大?。?/td> | 420K |
| 代理商： | YB1211ST25 |
YB1211
300mA External Adjustable LDO Regulator
YB1211 MRev. 1.0
www.yobon.com.tw
4
Electrical Characteristics
Table 2
Function Parameter
Conditions
Min
Typ
Max
Units
Input Voltage Range
2.0
6.0
V
Output Voltage
External adjustable
1.235
5.0
V
Internal Reference Voltage
IOUT = 10mA
1.210
1.235
1.260
V
Output Current Limit
Short-circuit output
300
mA
Vout = 5.0V, Iout = 300 mA
250
Vout = 3.0V, Iout = 300 mA
350
Vout = 2.0V, Iout = 300 mA
480
Vout = 1.5V, Iout = 300 mA
700
Dropout Voltage (Note 1)
Vout = 1.2V, Iout = 300 mA
850
mV
Ground Current
Iground = Iin - Iout
60
μ
A
Line Regulation
Vin = (Vout + 1V) to 6V, Iout = 10 mA
0.42
%/V
Load Regulation
Iout = 1mA to 300 mA
1.0
%
Shutdown Supply Current
EN = 0.4V
0.01
μ
A
f = 1KHz, Iout = 1 mA
50
f = 10KHz, Iout = 1 mA
45
Ripple Rejection (PSRR)
f = 100 KHz, Iout = 1 mA
27
dB
Start Up Delay (Note 2)
Rload=100ohm
20
50
μ
S
EN Logic Low Level
Vin = 2.0V to 6.0V
0.4
V
EN Logic High Level
Vin = 2.0V to 6.0 V
1.2
Vin
V
EN Input Bias Current
Vin = EN = Vout + 1V
0.01
μ
A
Thermal Shutdown
Shutdown Temperature
160
°
C
Thermal Hysteresis
20
°
C
TA = 25℃, VIN = ( VOUT + 1 V ), CIN = COU T = 1.0μF, VEN = VIN, unless otherwise noted
Note1 : The drop out voltage varies depending on output voltage selection. Dropout is defined as VIN–VOUT
when VOUT is 100mV below VOUT where Vin=Vout + 1V for nominal VOUT.
Note 2: Time needed for VOUT to reach 90% of final value.
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