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| LP3879MR-1.2 Datasheet, PDF (4/18 Pages) Texas Instruments – LP3879 Micropower 800mA Low Noise "Ceramic Stable" Voltage Regulator for Low | |||
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LP3879
SNVS396B â MAY 2006 â REVISED APRIL 2013
www.ti.com
Electrical Characteristics
Limits in standard typeface are for TJ = 25°C, and limits in boldface type apply over the temperature range of -40°C to
125°C. Limits are ensured through design, testing, or correlation. The limits are used to calculate the Average Outgoing
Quality Level (AOQL). Unless otherwise specified: VIN = 3.0V, VOUT = 1V, IL = 1 mA, COUT = 10 µF, CIN = 4.7 µF, VS/D = 2V,
CBYPASS = 10 nF.
Symbol
Parameter
Conditions
Min (1)
Typical (2)
Max (1)
Units
VO
-1.0
1.00
1.0
Output Voltage Tolerance
1 mA ⤠IL ⤠800 mA, 3.0V ⤠VIN ⤠6V
-2.0
-3.0
1.00
2.0
%Vnom
3.0
'VOUT
'VIN
Output Voltage Line
Regulation
3.0V ⤠VIN ⤠6V
0.007
0.014
0.032
%/V
VIN (min)
IGND
Minimum Input Voltage
Required To Maintain
Output Regulation
IL = 800 mA, VOUT ⥠VOUT(NOM) - 1%
IL = 800 mA, VOUT ⥠VOUT(NOM) - 1%
0 ⤠TJ ⤠125°C
IL = 750 mA, VOUT ⥠VOUT(NOM) - 1%
IL = 100 µA
2.5
3.1
2.5
2.8
V
2.5
3.0
250
200
µA
275
Ground Pin Current
IL = 200 mA
IL = 800 mA
2
1.5
3.3
mA
8.5
5.5
15
IO(PK)
IO(MAX)
en
Peak Output Current
Short Circuit Current
Output Noise Voltage
(RMS)
VOUT ⥠VOUT(NOM) â 5%
RL = 0 (Steady State)
BW = 100 Hz to 100 kHz
CBYPASS = 10 nF
1200
1400
18
mA
µV(RMS)
'VOUT
'VIN
Ripple Rejection
f = 1 kHz
60
dB
SHUTDOWN INPUT
VS/D
IS/D
S/D Input Voltage
S/D Input Current
VH = Output ON
VL = Output OFF, IIN ⤠10 µA
VOUT ⤠10 mV, IIN ⤠50 µA
VS/D = 0
VS/D = 5V
1.4
1.6
0.1
0.50
V
0.6
0.02
â1
µA
5
15
(1) Limits are ensured through testing, statistical correlation, or design.
(2) Typical numbers reperesent the most likely norm for 25°C operation.
4
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Copyright © 2006â2013, Texas Instruments Incorporated
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