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LP2985A-33DBVT Datasheet(PDF) 5 Page - Texas Instruments

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Part # LP2985A-33DBVT
Description  150-mA LOW-NOISE LOW-DROPOUT REGULATOR WITH SHUTDOWN
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

LP2985A-33DBVT Datasheet(HTML) 5 Page - Texas Instruments

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Electrical Characteristics
LP2985
150-mA LOW-NOISE LOW-DROPOUT REGULATOR
WITH SHUTDOWN
SLVS522J – JULY 2004 – REVISED AUGUST 2006
at specified virtual junction temperature range, V
IN = VOUT(NOM) + 1 V, VON/OFF = 2 V, CIN = 1 µF, IL = 1 mA, COUT = 4.7 µF
(unless otherwise noted)
LP2985A-xx
LP2985-xx
PARAMETER
TEST CONDITIONS
TJ
UNIT
MIN
TYP
MAX
MIN
TYP
MAX
IL = 1 mA
25
°C
–1
1
–1.5
1.5
25
°C
–1.5
1.5
–2.5
2.5
Output
1 mA
≤ I
L ≤ 50 mA
∆V
OUT
voltage
–40
°C to 125°C
–2.5
2.5
–3.5
3.5 %VNOM
tolerance
25
°C
–2.5
2.5
–3
3
1 mA
≤ I
L ≤ 150 mA
–40
°C to 125°C
–3.5
3.5
–4
4
25
°C
0.007
0.014
0.007
0.014
Line
VIN = [VOUT(NOM) + 1 V] to 16 V
%/V
regulation
–40
°C to 125°C
0.032
0.032
25
°C
1
3
1
3
IL = 0
–40
°C to 125°C
5
5
25
°C
7
10
7
10
IL = 1 mA
–40
°C to 125°C
15
15
25
°C
40
60
40
60
Dropout
VIN – VOUT
IL = 10 mA
mV
voltage(1)
–40
°C to 125°C
90
90
25
°C
120
150
120
150
IL = 50 mA
–40
°C to 125°C
225
225
25
°C
280
350
280
350
IL = 150 mA
–40
°C to 125°C
575
575
25
°C
65
95
65
95
IL = 0
–40
°C to 125°C
125
125
25
°C
75
110
75
110
IL = 1 mA
–40
°C to 125°C
170
170
25
°C
120
220
120
220
IL = 10 mA
–40
°C to 125°C
400
400
Ground
IGND
pin
25
°C
350
600
350
600
µA
IL = 50 mA
current
–40
°C to 125°C
1000
1000
25
°C
850
1500
850
1500
IL = 150 mA
–40
°C to 125°C
2500
2500
VON/OFF < 0.3 V (OFF)
25
°C
0.01
0.8
0.01
0.8
–40
°C to 105°C
0.05
2
0.05
2
VON/OFF < 0.15 V (OFF)
–40
°C to 125°C
5
5
25
°C
1.4
1.4
VON/OFF = HIGH → O/P ON
ON/OFF
–40
°C to 125°C
1.6
1.6
VON/OFF
input
V
25
°C
0.55
0.55
voltage(2)
VON/OFF = LOW → O/P OFF
–40
°C to 125°C
0.15
0.15
25
°C
0.01
0.01
VON/OFF = 0
ON/OFF
–40
°C to 125°C
–2
–2
ION/OFF
input
µA
25
°C
5
5
current
VON/OFF = 5 V
–40
°C to 125°C
15
15
Output
BW = 300 Hz to 50 kHz,
Vn
noise
COUT = 10 µF,
25
°C
30
30
µV
(RMS)
CBYPASS = 10 nF
Ripple
f = 1kHz, COUT = 10 µF,
∆V
OUT/∆VIN
25
°C
45
45
dB
rejection
CBYPASS = 10 nF
(1)
Dropout voltage is defined as the input-to-output differential at which the output voltage drops 100 mV below the value measured with a
1-V differential.
(2)
The ON/OFF input must be driven properly for reliable operation (see Application Information).
5
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