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