Datasheet

OSC

CLKSYN

OUT

THRESHOLD

Charging

VAO Current

Command

Discharging

Threshold

2.9 V

0.5 V

3.6 V

1.4 V

8.5 V

0 V

VDG−99087

CLKSYN BUS

OSC1

OSC2

OSC3

OSC10

SYNC

100 pF

10 kW

VDG−99085

UC2827-1, UC2827-2

UC3827-1, UC3827-2

SLUS365D –APRIL 1999– REVISED APRIL 2011

www.ti.com

Figure 2. Oscillator and PWM Output Waveform

Figure 3. Oscillator Synchronization Connection Diagram

REVISION HISTORY

REVISION DATE OF CHANGE DESCRIPTION

Improved CMRR of CSA from ( 0 - 2 V) to ( -0.3 - 2 V)

SLUS365A 8/2005

Improved CMRR of CEA from ( 0 - 5 V) to ( -0.3 - 5 V)

SLUS365D 4/2011 Updated the Thermal Information Section