 English |
|
|
|
|
|
|
|
| LP2983 Datasheet, PDF (6/25 Pages) National Semiconductor (TI) – Micropower 150 mA Voltage Regulator in SOT-23 Package For Output Voltages 1.2V Designed for Use with Very Low ESR Output Capacitors | |||
| |||
| ◁ |
LP2983
SNVS170D â OCTOBER 2001 â REVISED APRIL 2016
www.ti.com
Electrical Characteristics (continued)
Unless otherwise specified: TJ = 25°C, VIN = VO(NOM) + 1 V, IL = 1 mA, COUT = 1 μF, VON/OFF = 2 V.
PARAMETER
TEST CONDITIONS
LP2981AI-XX (1)
MIN TYP MAX
LP2981I-XX (1)
MIN TYP MAX
en
Output noise voltage BW = 300 Hz to 50 kHz
(RMS)
VOUT = 1.2 V, COUT = 10 μF
60
60
ÎVO/ÎVIN Ripple rejection
Æ = 1 kHz, COUT = 2.2 μF
65
65
IO(MAX) Short-circuit current RL = 0 Ω (steady state)(3)
400
400
IO(PK)
Peak output current VOUT ⥠VO(NOM) â 5%
250
250
UNIT
μV
dB
mA
mA
(3) The LP2983 has foldback current limiting which allows a high peak current when VOUT > 0.5 V, and then reduces the maximum output
current as VOUT is forced down to ground. See related curve(s) in Typical Characteristics section.
6.6 Typical Characteristics
Unless otherwise specified: CIN = 1 µF, COUT = 2.2 µF, VIN = VOUT(NOM) + 1, TA = 25°C, ON/OFF pin is tied to VIN.
Figure 1. LP2983 Tempco
Figure 2. Minimum Input Voltage vs Temperature
Load = 0 mA
Figure 3. Input Current vs VIN
Load = 1 mA
Figure 4. Input Current vs VIN
6
Submit Documentation Feedback
Product Folder Links: LP2983
Copyright © 2001â2016, Texas Instruments Incorporated
|
▷ |
German
Russian
Spanish
Italian
Polish
Chinese
Japanese
Korean
French
Portuguese