Datasheet

0 400 800 1200 1600
4
5
6
7
8
9
I - Operating Current - mA
DD
f - Oscillator Frequenc y - kHz
OSC
No Output Loading
V
DD
= 17 V
V
DD
= 15 V
V
DD
= 12 V
V
DD
= 10 V
0 400 800 1200 1600
4
5
6
7
8
9
10
11
12
13
I - Operating Current - mA
DD
f - Oscillator Frequenc y - kHz
OSC
V
DD
= 17 V
V
DD
= 15 V
V
DD
= 10 V
V
DD
= 12 V
0.1-nF Output Loads
UCC2895-Q1
SLUS783C –MAY 2008–REVISED AUGUST 2012 www.ti.com
TYPICAL CHARACTERISTICS (continued)
INPUT CURRENT INPUT CURRENT
vs vs
OSCILLATOR FREQUENCY OSCILLATOR FREQUENCY
Figure 11. Figure 12.
REFERENCES
1. M. Dennis, A Comparison Between the BiCMOS UCC2895 Phase Shift Controller and the UC3875
(SLUA246)
2. L. Balogh, The Current-Doubler Rectifier: An Alternative Rectification Technique For Push-Pull and Bridge
Converters (SLUA121)
3. W. Andreycak, Phase Shifted, Zero Voltage Transition Design Considerations and the UC3875 PWM
Controller (SLUA107)
4. L. Balogh, The New UC3879 Phase-Shifted PWM Controller Simplifies the Design of Zero Voltage Transition
Full-Bridge Converters (SLUA122)
5. L. Balogh, Design Review: 100 W, 400 kHz, dc-to-dc Converter with Current Doubler Synchronous
Rectification Achieves 92% Efficiency, Unitrode Power Supply Design Seminar Manual, SEM-1100, 1996,
Topic 2.
6. UC3875 Phase Shift Resonant Controller data sheet (SLUS229)
7. UC3879 Phase Shift Resonant Controller data sheet (SLUS230)
8. Configuring the UCC2895 for Direct Control Driven Synchronous Rectification (SLUU109)
9. S. Mappus, UCC2895 OUTC/OUTD Asymetric Duty Cycle Operation (SLUA275)
10. S. Mappus, Current Doubler Rectifier Offers Ripple Current Cancellation (SLUA323)
11. S. Mappus, Control Driven Synchronous Rectifiers In Phase Shifted Full Bridge Converters (SLUA287)
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Product Folder Link(s): UCC2895-Q1