OZT1060SN Просмотр технического описания (PDF) - O2Micro International

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производитель

OZT1060SN

Phase-Shift PWM Controller

O2Micro International 

Change Summary

CHANGES

No.

Applicable Section

1 Title

2 Ordering Information

3 General Description

4

Functional Block Diagram

Description

5

Reference Application

Circuit

6 Package information

7 Throughout data sheet

Description

Change the title to read ‘Phase-Shift PWM Controller’

Add OZT1060GN

Add 1st paragraph ‘OZT1060 is a high…LCD.’

Add 1st paragraph 1st sentence ‘Specific

DC/DC…application’

Add DC/DC Reference Application Circuit

Correct 20 Pin SOIC 300mil drawing

Miscellaneous corrections

Page(s)

1

1

1

5

10

12

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REVISION HISTORY

Revision No.

0.95

1.0

1.1

Description of change

Initial Relase

1. Pin Description - Modified pin description of CTIMR, DIM. 2.

Electrical Characteristics - Update a) ‘Nominal voltage’ Min & Max

limits plus Temp coefficient, b) ‘Line regulation’ & ‘ Load regulation’

Typ & Max limits, c) ‘Normal operating frequency’ Min, Max, Typ limits

plus Temp coefficient, d) ‘Ramp peak’ Min, Typ & Max limits, e)

‘Ramp valley’ Min & Max limits, f) ‘Operating Frequency’ Min & Max

limits plus Temp coefficient, g) ‘Ramp peak’ & ‘Ramp valley’ Min &

Max limits, h) ‘Reference voltage at non-invereting input pin’ Min &

Max limits, i) ‘Stand-by current’ Min & Max limits, j) ‘Supply current’

Max limit, k) ‘SST current’ Min & Max limits plus Temp coefficient, l)

‘SST protection release threshold’ Min, Typ & Max limits, m) ‘CTIMR

current 1’ Min & Max limits plus Temp coefficient, n) ‘CTIMR current 2’

Min & Max limits, o) ‘PDR_A/ PDR_C’ & ‘NDR_B/ NDR_D’ Min, Typ &

Max limits, p) ‘Enable’ Min limit, q) ‘Threshold voltage’ Min & Max

limits, r) ‘Open-lamp threshold’ Min & Max limits, s) ‘BBM time

between PDR & NDR’ Min & Max limits plus Temp coefficient, t)

‘Maximum overlap’ Min, Typ & Max limits, u) ‘Minimum overlap’ Typ &

Max limits. 3. Simplified Functional Block Diagram. 4. Modified

formula in No. 4 Ignition & No. 5 Normal Operation. 5. Revise

Application Circuit 6. Miscellaneous corrections.

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

Release Date

1/13/2004

7/29/2004

8/11/2004

09/03/04

Copyright  2004 by O2Micro

OZT1060-DS-1.2

All Rights Reserved

Page 0

U.S. Patent No. 6,259,615

CONFIDENTIAL

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