YB1200 – High Accuracy
Ultra-Low-Noise, High PSRR LDO Regulator
f = 100Hz, I
OUT
=1mA
Ripple Rejection (PSRR)
f = 1KHz, I
OUT
=1mA
f = 10KHz, I
OUT
=1mA
Output Noise Voltage
Shutdown Exit Delay
(See Note 2)
EN Logic Low Level
EN Logic High Level
EN Input Bias Current
Thermal Shutdown
Thermal-Shutdown ysteresis
Note1 : The drop out voltage varies depending on output voltage selection
f = 100Hz to 100KHz,
Iload=10mA, Bypass=0nF
f = 100Hz to 100KHz,
Iload=10mA, Bypass=30nF
Rload=50ohm
V
IN
=2.0V to 5.5V
V
IN
=2.0V to 5.5V
V
IN
=5.5V, EN=0V or 6V
Shutdown Temperature
1.2
52
55
53
45
15
45
300
0.4
VIN
0.01
160
20
µVrms
µVrms
µs
V
V
µA
℃
℃
dB
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.
Typical Characteristics
At T
A
= 25℃, V
IN
= ( V
OUT
+ 1V), C
IN
= C
OUT
= 0.47µF, V
EN
= V
IN
, unless otherwise noted.
Dropout Voltage vs Load Current
600
Dropout Voltage vs Temperature
400
Dropout Voltage (m V)
Vo=1.8V
400
300
200
100
0
0
10
30
50
70
90
110
130
150
D ropout V oltage (m V )
500
350
300
250
200
150
100
50
0
0
Vo=2.8V
85℃
Vo=2.5V
25℃
Vo=3.3V
Load Current (m A)
10
30
50
70
90
110
130
150
Load Current (m A)
YB1200 MRev.1.4
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5
YOBON [ YOBON TECHNOLOGIES,INC. ]
