LM3475 Datasheet, PDF (2/14 Pages) National Semiconductor (TI) – Hysteretic PFET Buck Controller

Connection Diagram
Top View
20070102
5 Lead Plastic SOT23-5
NS package Number MF05A
Package Marking and Ordering Information
Order Number
LM3475MF
LM3475MFX
Package Type
SOT23-5
SOT23-5
Package Marking
S65B
S65B
Supplied As:
1000 units on Tape and Reel
3000 units on Tape and Reel
Pin Description
Pin Name
FB
GND
EN
VIN
PGATE
Pin Number
1
2
3
4
5
Description
Feedback input. Connect to a resistor divider between the output
and GND.
Ground.
Enable. Pull this pin above 1.5V (typical) for normal operation.
When EN is low, the device enters shutdown mode.
Power supply input.
Gate drive output for the external PFET.
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