LP2985LV Datasheet, PDF (8/15 Pages) National Semiconductor (TI) – Micropower 150 mA Low-Noise Low-Dropout Regulator in SOT-23 and micro SMD packages for Applications

LP2985LV
150ĆmA LOWĆNOISE, LOWĆDROPOUT REGULATOR
WITH SHUTDOWN FOR OUTPUT VOLTAGES <2.3 V
SLVS552 − OCTOBER 2004
electrical characteristics at specified virtual junction temperature range,
V_IN = V_OUT (nominal) + 1 V, V_ON/OFF = 2 V, C_IN = 1 mF, I_L = 1 mA, C_OUT = 4.7 mF (unless otherwise noted)
(continued)
PARAMETER
TEST CONDITIONS
TJ
Vn
Output noise
(RMS)
nVOUT/nVIN
Ripple
rejection
IOUT(PK)
Peak output
current
BW = 300 Hz to 50 kHz,
COUT = 10 µF,
CBYPASS = 10 nF,
VOUT = 1.8 V
f = 1kHz,
COUT = 10 µF,
CBYPASS = 10 nF
VOUT ≥ VO(NOM) − 5%
25°C
25°C
25°C
IOUT(SC)
Short circuit
current
RL = 0 (steady state)
(see Note 7)
25°C
NOTE 7: See Typical Characteristics Curve, Short-Circuit Current vs. VOUT
LP2985A−XX
LP2985−XX
UNIT
MIN TYP MAX MIN TYP MAX
30
30
µV
45
45
dB
350
350
mA
400
400
mA
8
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