 English |
|
|
|
|
|
|
|
| LP2980IM5-ADJ Datasheet, PDF (4/18 Pages) Texas Instruments – LP2980-ADJ Micropower 50 mA Ultra Low-Dropout Adjustable Voltage Regulator in SOT-23 | |||
| |||
| ◁ |
LP2980-ADJ
SNVS001E â APRIL 2000 â REVISED APRIL 2013
www.ti.com
ELECTRICAL CHARACTERISTICS (continued)
Limits in standard typeface are for TJ = 25°C, and limits in boldface type apply over the full operating temperature range.
Unless otherwise specified: VIN = 4.3V, VOUT = 3.3V, IL = 1 mA, CIN = 1 μF, COUT = 2.2 μF, VON/OFF = 2V.
Symbol
Parameter
Conditions
LP2980I-ADJ (1)
Typ
Units
Min
Max
IGND
Ground Pin Current
IL = 0
60
95
125
IL = 1 mA
80
110
170
IL = 10 mA
120
220
μA
460
IL = 50 mA
320
600
1200
IADJ
VON/OFF
ADJ Pin Bias Current
ON/OFF Input Voltage
(3)
VON/OFF < 0.18V
1 mA ⤠IL ⤠50 mA
High = O/P ON
Low = O/P OFF
0.01
1
150
350
nA
1.4
1.6
V
0.55
0.18
ION/OFF
IO(PK)
en
ÎVOUT/ÎVIN
IO(MAX)
ON/OFF Input Current
Peak Output Current
Output Noise Voltage (RMS)
Ripple Rejection
Short Circuit Current
VON/OFF = 0
VON/OFF = 5V
VOUT ⥠VO(NOM) â 5%
BW = 300 Hz to 50 kHz,
COUT = 10 μF
f = 1 kHz
COUT = 10 μF
RL = 0 (Steady State)
(4)
0.01
â1
μA
5
15
150
100
mA
160
μV
68
dB
150
mA
(3) The ON/OFF input must be properly driven to prevent possible misoperation. For details, refer to APPLICATION HINTS.
(4) See TYPICAL PERFORMANCE CHARACTERISTICS curves.
TYPICAL APPLICATION CIRCUIT
*ON/OFF INPUT MUST BE ACTIVELY TERMINATED. TIE TO VIN IF THIS FUNCTION IS NOT TO BE USED.
**MINIMUM CAPACITANCE IS SHOWN TO ENSURE STABILITY OVER FULL LOAD CURRENT RANGE (SEE
APPLICATION HINTS).
4
Submit Documentation Feedback
Product Folder Links: LP2980-ADJ
Copyright © 2000â2013, Texas Instruments Incorporated
|
▷ |
German
Russian
Spanish
Italian
Polish
Chinese
Japanese
Korean
French
Portuguese