lp2985aim5-3.8 National Semiconductor Corporation, lp2985aim5-3.8 Datasheet - Page 2

• Manufacturer Part Number: lp2985aim5-3.8
• Description: Micropower 150 Ma Low-noise Ultra Low-dropout Regulator Designed For Use With Very Low Esr Output Capacitors
• Manufacturer: National Semiconductor Corporation

www.national.com
Basic Application Circuit
***Reduces output noise (may be omitted if application is not noise critical). Use ceramic or film type with very low leakage current (see Application Hints).
Connection Diagrams
Pin Descriptions
**Minimum capacitance is shown to ensure stability (may be increased without limit). Ceramic capacitor required for output (see Application Hints).
BYPASS
*ON/OFF input must be actively terminated. Tie to V
ON/OFF
Name
GND
V
V
OUT
IN
For ordering information see Table 1
5-Lead Small Outline Package (M5)
See NS Package Number MF05A
SOT-23
1
2
3
4
5
Top View
Pin Number
10014003
micro SMD
C3
C1
A1
A3
B2
IN
if this function is not to be used.
Input Voltage
Common Ground (device substrate)
Logic high enable input
Bypass capacitor for low noise operation
Regulated output voltage
2
Note: The actual physical placement of the package marking will vary from part
to part. Package marking contains date code and lot traceability information, and
will vary considerably. Package marking does not correlate to device type.
See NS Package Number BPA05, TPA05, BLA05 & TLA05
micro SMD, 5 Bump Package (BPA05, TPA05 & BLA05, &
Function
Top View
TLA05)
10014002
10014046