UCC3818D UNITRODE, UCC3818D Datasheet - Page 16

• Manufacturer Part Number: UCC3818D
• Description: POWER FACTOR CNTRLR, 3818, SOIC16
• Manufacturer: UNITRODE

Specifications of UCC3818D

• Primary Input Voltage: 15V
• No. Of Outputs: 1
• Output Voltage: 5.5V
• Voltage Regulator Case Style: SOIC
• No. Of Pins: 16
• Operating Temperature Range: 0°C To +70°C
• Operating Temperature Max: 70°C

16
SLUS395J - FEBRUARY 2000 - REVISED MARCH 2009
capacitor ripple reduction (continued)
7.60
7.55
7.50
7.45
7.40
9
10
REFERENCE VOLTAGE
VCC − Supply Voltage − V
Figure 7. Synchronizing the UCC3817 to a Down-Stream Converter
SUPPLY VOLTAGE
Figure 8
11
Stream PWM
From Down
Gate Drive
vs
12
APPLICATION INFORMATION
13
C1
D1
www.ti.com
14
D2
7.510
7.505
7.500
7.495
7.490
C T
0
R T
REFERENCE CURRENT
REFERENCE VOLTAGE
UCC3817
5
I VREF − Reference Current − mA
CT
RT
Figure 9
10
vs
15
20
25