LP3987-1.5B3A POWER [Lowpower Semiconductor inc], LP3987-1.5B3A Datasheet - Page 3

• Manufacturer Part Number: LP3987-1.5B3A
• Description: 300mA,Ultra-LowNoise Ultra-fast CMOS LDO Regrlator
• Manufacturer: POWER [Lowpower Semiconductor inc]

Electrical Characteristics
(VIN = VOUT + 1V, CIN = COUT = 1µF, CBP = 22nF, TA = 25° C, unless otherwise specified)
Output Voltage Accuracy
Current Limit
Quiescent Current
Dropout Voltage
Line Regulation
Load Regulation
Standby Current
EN Input Bias Current
EN Threshold
Output Noise Voltage
Power Supply
Rejection Rate
Thermal Shutdown Temperature
LP3987-datasheet Oct.-2003
Parameter
Logic-Low
Voltage
Logic-High
Voltage
f = 100Hz
f =
10kHz
Symbol
ΔV
I
I
V
ΔV
ΔV
I
I
V
V
e
PSRR
TSD
LIM
Q
STBY
IBSD
NO
DROP
IL
IH
OUT
LINE
LOAD
I
I
V
I
Shutdown
10Hz to 100kHz, I
200mA C
COUT = 1µF, IOUT =
10mA
OUT
OUT
OUT
I
R
V
1mA < I
V
V
V
V
IN
OUT
EN
EN
EN
IN
IN
LOAD
= (V
= 200mA, V
= 300mA, V
= 1mA
= 3V to 5.5V,
= 3V to 5.5V, Start-Up
Test Conditions
≥
= GND, Shutdown
= GND or VIN
= 1mA
1.2V, I
OUT
= 1Ω
OUT
3-3
OUT
+ 1V) to 5.5V,
< 300mA
= 1µF
OUT
OUT
OUT
OUT
= 0mA
> 2.8V
> 2.8V
=
Min
−2
1.2
360
−55
0.01
−80
Typ
400
170
220
100
165
90
0
--
Max
LP3987
130
200
300
100
0.3
0.6
0.4
+2
1
Units
μ
V
°C
μA
μA
mA
mV
DB
nA
RMS
%
%
%
V