CAT37

Doc. No. MD-5005 Rev. T

12

Characteristics subject to change without notice

REVISION HISTORY

Date

Rev. Reason

25-Sept-03

H

Updated Ordering Information - part numers

Changed L1 for each figure from 22µH to 6.8µH

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

Changed C1 for each typical application circuit from 4.7µF to 1µF

Changed C2 for each typical application circuit from 2.2µF to 1µF

Changed VIN for each for each typical application circuit from 1.8V to 3V to 3V to 4.2V

25-Sept-03

I

Updated Ordering Information - part numbers

6-Nov-03

J

Updated Features

Changed R1 for Typical Application figure and Typical Application Circuit figures from

6.34Ω 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)

8-Dec-03

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

10-Dec-03

L

Updated FB Pin Leakage Current in Electrical Specifications

18-Dec-03

M

Added Typical Characteristics graphs (pages 4-6)

Added Efficiency graphs to Typical Application Circuits

Changed package drawing for 5-lead SOT-23

22-Dec-03

N

Updated Absolute Maximum Ratings

Deleted temp range from Electrical Specifications

Added Recommended Operating Conditions

Updated Block Diagram

9-June-04

O

15-June-04

P

Reoved Preliminary data sheet designation

22-Sept-04

Q

Added Green Packages in all areas

1-Nov-04

R

Eliminated TDFN (3 x 4.9mm) package Updated Ordering Information

07-July-05

S

Update Features

Update Description

Update Ordering Information

Update Pin Configuration Update Pin Description

Update Block Diagram

Update Package Outlines

19-May-08

T

Add TSOT-23 in NiPdAu plated finish

Add Example of Ordering Information

Update Package Outline Drawing

Add MD- to document number