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PDF OZT1060 Data sheet ( Hoja de datos )
| Número de pieza | OZT1060 | |
| Descripción | Phase Shift PWM Controller | |
| Fabricantes | O2 Micro | |
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OZT1060
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
---
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
1 page  
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OZT1060
ELECTRICAL CHARACTERISTICS (CONTINUED)
Parameter
Symbol
Output Driver Rds(on)
PDR_A / PDR_C
NDR_B / NDR_D
Enable Thresholds
Enable
Disable
Over-Voltage Protection
Threshold Voltage
Open-Lamp Protection Threshold
Open-Lamp Threshold
Break-Before-Make (BBM)
BBM Time Between PDR and NDR
OVP
Maximum / Minimum Duty Cycle
Maximum Overlap
Minimum Overlap
Note (1)
CCT: capacitor from ”CT” (Pin 18) to ground
RRT: resistor from “RT” (Pin 17) to ground
Note (2)
CLCT: capacitor from “LCT” (Pin 15) to ground
Note (3)
Ca: capacitor from PDR_A (Pin 19) to VDDA
Cb: capacitor from NDR_B (Pin 20) to ground
Cc: capacitor from PDR_C (Pin 12) to VDDA
Cd: capacitor from NDR_D (Pin 11) to ground
Test Conditions
VDDA=5V; Tamb=25oC;
Limits
Min Typ
Sourcing=75mA
Sinking=75mA
12 25
13 25
2.3 -
--
1.95 2.00
CMP> open-lamp threshold
causes shutdown
2.54
2.70
Temp coefficient
(Tamb=25oC)
150 200
- 495
Vsst = 3.75V ;
Vcmp = 3.24V
Vsst = 0.8V ;
Vcmp = 3.5V
91 95
- 2.5
Unit
Max
35 Ω
36 Ω
-V
1.0 V
2.20 V
2.82 V
220 ns
- ppm/ oC
-%
3.9 %
CONFIDENTIAL
OZT1060-DS-1.2
Page 4
5 Page 
OZT1060Recipient #102292 printed on 1/10/2005. This is a ONE-TIME copy. Updates will not be provided.
DC/DC REFERENCE APPLICATION CIRCUIT
Figure 3
CONFIDENTIAL
OZT1060-DS-1.2
Page 10
11 Page | ||
| Páginas | Total 13 Páginas | |
| PDF Descargar | [ Datasheet OZT1060.PDF ] | |
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