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LP2985IM5X-3.2 Datasheet(PDF) 2 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
Part # LP2985IM5X-3.2
Description  Micropower 150 mA Low-Noise Ultra Low-Dropout Regulator Designed for Use with Very Low ESR Output Capacitors
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Manufacturer  NSC [National Semiconductor (TI)]
Direct Link  http://www.national.com
Logo NSC - National Semiconductor (TI)

LP2985IM5X-3.2 Datasheet(HTML) 2 Page - National Semiconductor (TI)

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Basic Application Circuit
10014002
*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 (may be increased without limit). Ceramic capacitor required for output (see Application Hints).
***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
5-Lead Small Outline Package (M5)
micro SMD, 5 Bump Package (BPA05, TPA05 & BLA05)
10014003
Top View
See NS Package Number MF05A
For ordering information see Table 1
10014046
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.
Top View
See NS Package Number BPA05, TPA05 & BLA05
Pin Descrption
Name
Pin Number
Function
SOT-23
micro SMD
V
IN
1
C3
Input Voltage
GND
2
A1
Common Ground (device substrate)
ON/OFF
3
A3
Logic high enable input
BYPASS
4
B2
Bypass capacitor for low noise operation
V
OUT
5
C1
Regulated output voltage
www.national.com
2


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