OZ964
09/03/04
OZ964-DS-1.2
Page 0
Copyright
2004 by O2Micro
All Rights Reserved
U.S. Patent No. 6,259,615
CONFIDENTIAL
Change Summary
CHANGES
No.
Applicable Section
Description
Page(s)
1
Title
Change the title to read ‘Phase-Shift PWM Controller’
1
2
Ordering Information
Add OZ964GN, OZ964IG, OZ964IGN, OZ964D &
OZ964DN
1
3
General Description
Add 1
st paragraph ‘OZ964 is a high…LCD.’
1
4
Functional Block Diagram
Description
Add 1
st paragraph 1st sentence ‘Specific DC/CD…’
5
5
Reference Application
Circuit
Add DC/DC Reference Application Circuit
10
6
Package information
Correct 20 Pin SOIC 300mil drawing
12
7
Throughout data sheet
Miscellaneous corrections
---
REVISION HISTORY
Revision No.
Description of change
Release Date
0.95
Initial Release
1/13/2004
0.96
1. Ordering information: add OZ964SN & OZ964ISN. 2. Pin
Description: modified pin description of CTIMR, DIM. 3. Electrical
Characteristics: revise a) ‘Nominal Voltage’ Typ limit, b) ‘Normal
Operating Frequency’ Typ limit, c) ‘Ramp Peak’ Typ limit, d)
‘Operating Frequency’ Typ limit, e) ‘Negative-Going Threshold
Voltage’ Max limit, f) ‘SST Current’ Typ limit, g) ‘CTIMR Current 1’
Typ limit, h) ‘Protection Release Threshold’ Typ limit, i) ‘PDR_A/
PDR_C’ Typ`limit, j) ‘Enable’ Min limit, k) ‘NDR_B/ NDR_D’ Typ limit,
l) ‘BBM Time Between PDR and NDR’ Typ limit, m) ‘Minimum
Overlap’ Typ limit. 4. Simplified Functional Block Diagram. 5. Modified
formula in No. 4 Ignition & No. 5 Normal Operation in Functional
Information. 6. Revise Application Circuit. 7. Miscellaneous
corrections.
3/19/2004
1.0
1. Electrical Characteristics: a) Fill in Min & Max limits of all
parameters b) Correct ‘SST Protection Release Threshold’ Typ limit.
2. Application Circuit: Correct a) C10 to 6.8n, b) T1 to 28:2200. 3.
Miscellaneous corrections.
4/5/2004
1.1
1. Footer: Add patent number 6,259,615 2. Application circuit: a.)
Delete R3, R7, R6 & R11. b) Change R9 value from 45.3k to 47K
7/29/2004