YB1231 – HV600mA
Low-Noise LDO Regulator
Absolute Maximum Ratings
Supply Voltage........................................ -0.3V to 7.0V
Output Voltage ...............................-0.3V to (V
IN
+0.3V)
Output Short-Circuit Duration ........................... Infinite
Junction Temperature Range........................... +150℃
Storage Temperature Range ............. -65℃ to +150℃
Lead Temperature............................................ +250℃
Recommended Operating Conditions
Input Supply Voltage................................ 2V to 6.0V
Operating Temperature..................... -40℃ to +85℃
Thermal Resistance (SOT-23/25,
θ
JC
) ........ 140℃/W
Thermal Resistance (SOT-23/25,
θ
JA
)......... 280℃/W
Thermal Resistance (SOT-89,
θ
JC
) ............... 46℃/W
Thermal Resistance (SOT-89,
θ
JA
).............. 180℃/W
Thermal Power Dissipation (SOT-23/25, P
D
)....0.4W
Thermal Power Dissipation (SOT-89, P
D
).......0.55W
Electrical Characteristics
Table 2
T
A
= 25℃, V
IN
= ( V
OUT
+ 1 V ), C
IN
= C
OU T
= 2.2μF, V
EN
= V
IN
Function Parameter
Input Voltage Range
Output Voltage
Output Voltage Accuracy
Output Current Limit
Predefined
I
OUT
= 10mA
Conditions
Min
3.5
3.2
-2.0
Typ
Max
6.0
4.5
+2.0
Units
V
V
%
mA
Short-circuit output
Vout = 4.5V, Iout = 600 mA
Vout = 4.0V, Iout = 600 mA
420
440
470
500
530
550
100
0.4
1.7
0.01
51
51
45
36
100
0.4
1.5
0.01
160
20
Vin
160
Dropout Voltage (
Note 1
)
Vout = 3.6V, Iout = 600 mA
Vout = 3.3V, Iout = 600 mA
Vout = 3.2V, Iout = 600 mA
mV
Ground Current
Line Regulation
Load Regulation
Shutdown Supply Current
Iground = Iin - Iout
Vin = (Vout + 1V) to 6V, Iout = 10 mA
Iout = 1mA to 600 mA
EN = 0.4V
f = 100 Hz, Iout = 10 mA
μA
%/V
%
μA
Ripple Rejection (PSRR)
f = 1KHz, Iout = 10 mA
f = 10 KHz, Iout = 10 mA
dB
Shutdown Exit Delay
(Note 2)
EN Logic Low Level
EN Logic High Level
EN Input Bias Current
Thermal Shutdown
Thermal Shutdown Hysteresis
Vout = 3.3V, Rload = 11 ohm
Vin = 2.0V to 6.0V
Vin = 2.0V to 6.0 V
Vin = EN = Vout + 1V
Shutdown Temperature
V
OUT
= 3.3V, I
OUT
= 100mA
μS
V
V
μA
°C
°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.
YB1231 MRev. 1.4
www.yobon.com.tw
3
YOBON [ YOBON TECHNOLOGIES,INC. ]
