OZ9938 Datasheet PDF - O2 Micro
| Part Number | OZ9938 | |
| Description | LCDM Inverter Controller | |
| Manufacturers | O2 Micro | |
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There is a preview and OZ9938 download ( pdf file ) link at the bottom of this page. Total ( 12 pages ) | ||
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CHANGES
No. Applicable Section
1. Electrical Characteristics
2. Throughout datasheet
OZ9938
Change Summary
Description
Update 慞rotection release threshold in Timer & protection
parameter Min & Max limits
Miscellaneous changes
Page(s)
3
---
REVISION HISTORY
Revision No.
0.60
0.65
1.0
Description of change
Initial release
1. Electrical Characteristics: a. Modify general test conditions in line 1; b.
Modify Driver Frequency Striking & Normal Operation Typ limit; c.
Modify PWM Dimming Control LCT frequency. 2. Reference Application
Circuit: Modify C14, C9 & R9 values
1. Ordering Information: Add OZ9938G, IG, D & DN. 2. Recommended
Operating Range: a. Add Dimming Range; b. Fill in Thermal Impedance.
3. Electrical Characteristics: a. Update Supply Current limits; b. Update
Soft Start limits; c. Update Under Voltage Lockout limits; d. Update
Reference Voltage limits; e. Update Driver Frequency limits; f. Update
Timer & Protection limits; g. Update Drivers parameter name & limits; h.
Update PWM Dimming Control limits; i. Delete Analog Dimming Control.
4. Function Description: Update formula in NO. 4 Ignition, No. 6 Normal
Operation & No. 9 Dimming Control. 5. Package Information: Add DIP
package drawing.
Release Date
5/12/2005
6/27/2005
9/22/2005
10/14/2005
OZ9938-DS-1.1
Copyright 2005 by O2Micro
All Rights Reserved
Patent#6,559,606, #6,856,519 & #6,809,938
www.DataSheet4U.net
Page 0
CONFIDENTIAL
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OZ9938
ELECTRICAL CHARACTERISTICS (Continued)
Parameter
PWM Dimming Control
LCT frequency
ENA Threshold
On
Off
Symbol
Test Conditions
Limits
VDDA=5V; Ta=25 oC
RCT =39Kohm, CCT=470pF
RLCT =3.3Mohm, CLCT=4.7nF
Min
Typ Max
Unit
194 200 206
Hz
2.0 V
1.0 V
CONFIDENTIAL
OZ9938-DS-1.1
Page 4
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| Information | Total 12 Pages | |
| Link URL | [ Copy URL to Clipboard ] | |
| Download | [ OZ9938.PDF Datasheet ] | |
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