LP2985AIM5X-1.8 National Semiconductor, LP2985AIM5X-1.8 Datasheet - Page 2

• Manufacturer Part Number: LP2985AIM5X-1.8
• Manufacturer: National Semiconductor

Specifications of LP2985AIM5X-1.8

• Voltage Regulator Type: Linear
• Topology: LDO
• Regulator Output Type: Fixed
• Polarity Type: Positive
• Number Of Outputs: Single
• Input Voltage (min): 2.2V
• Input Voltage (max): 16V
• Output Voltage: 1.8V
• Package Type: SOT-23
• Output Current: 150mA
• Line Regulation: 0.014%/V
• Output Voltage Accuracy: ±2.5%
• Operating Temp Range: -40C to 125C
• Operating Temperature Classification: Automotive
• Dropout Voltage@current (typ): 0.12@50mA/0.28@150mA
• Pin Count: 5
• Mounting: Surface Mount
• Lead Free Status / Rohs Status: Not Compliant

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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
SOT-23, 5-Lead Small Outline Package (M5)
See NS Package Number MF05A
SOT-23
1
2
3
4
5
Top View
Pin Number
micro SMD
10129503
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.
micro SMD, 5 Bump Package
Function
Top View
10129502
10129523