CAT37

12

Doc. No. 5005, Rev. R

REVISION HISTORY

Date

Rev.

Reason

9/25/2003

H

Updated Ordering Information - part numers

Changed L1 for each figure from 22

µH to 6.8 µH

Changed VIN for Typical Application from 2.7V to 4.2 Vto 3V to 5V

Changed C1 for each typical application circuit from 4.7

µF to 1 µF

Changed C2 for each typical application circuit from 2.2

µF to 1 µF

Changed VIN for each for each typical application circuit from

1.8 V to 3 V to 3 V to 4.2 V

9/25/2003

I

Updated Ordering Information - part numbers

11/6/2003

J

Updated Features

Changed R1 for Typical Application figure and Typical Application

Circuit figures from 6.34

Ω to 6.8Ω

Updated Description (2V to 2.5V input supply voltage)

Updated Ordering Information (added package marking code)

Updated Electrical Specifications

Updated Table 4 (R1 Resistor Value) with new values

Updated LED dimming with logic signal (0.095V to 0.105V)

12/8/2003

K

Updated Typical Application figures

Updated Electrical Specifications

Updated Operation text

Updated LED current programming text

Updated Table 4 (R1 Resistor Value) with new values

Updated LED dimming equations

Updated Typical Application Circuit figures

12/10/2003

L

Updated FB Pin Leakage Current in Electrical Specifications

12/18/2003

M

Added Typical Characteristics graphs (pages 4-6)

Added Efficiency graphs to Typical Application Circuits

Changed package drawing for 5-lead SOT-23

12/22/2003

N

Updated Absolute Maximum Ratings

Deleted temp range from Electrical Specifications

Added Recommended Operating Conditions

Updated Block Diagram

6/9/2004

O

6/15/2004

P

Reoved Preliminary data sheet designation

9/22/2004

Q

Added Green Packages in all areas

11/1/2004

R

Eliminated TDFN (3x4.9mm) package

Updated Ordering Information