LP2985_15 Datasheet, PDF (6/29 Pages) Texas Instruments – 150-mA Low-noise Low-dropout Regulator With Shutdown

LP2985
SLVS522O – JULY 2004 – REVISED JANUARY 2015
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Electrical Characteristics (continued)
at specified virtual junction temperature range, V_IN = V_OUT(NOM) + 1 V, V_{ON/ OFF} = 2 V, C_IN = 1 μF, I_L = 1 mA, C_OUT = 4.7 μF
(unless otherwise noted)
PARAMETER
TEST CONDITIONS
LP2985A-xx
LP2985-xx
T_J
UNIT
MIN TYP MAX MIN TYP MAX
V_n
ΔV_OUT/
ΔV_IN
I_OUT(PK)
I_OUT(SC)
Output noise (RMS)
Ripple rejection
Peak output current
Short-circuit current
BW = 300 Hz to 50 kHz,
C_OUT = 10 μF,
C_BYPASS = 10 nF
f = 1kHz, C_OUT = 10 μF,
C_BYPASS = 10 nF
V_OUT ≥ V_O(NOM) – 5%
R_L = 0 (steady state)⁽³⁾
25°C
30
25°C
45
25°C
350
25°C
400
30
μV
45
dB
350
mA
400
mA
(3) See Figure 6 in Typical Performance Characteristics.
6
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