ML4800ISX Fairchild Semiconductor, ML4800ISX Datasheet - Page 8

• Manufacturer Part Number: ML4800ISX
• Description: IC PFC CTRLR AVERAGE CURR 16SOIC
• Manufacturer: Fairchild Semiconductor

Specifications of ML4800ISX

• Mode: Average Current
• Frequency - Switching: 76kHz
• Current - Startup: 200µA
• Voltage - Supply: 11 V ~ 16.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 16-SOIC (3.9mm Width)
• Switching Frequency: 81 KHz
• Maximum Operating Temperature: + 70 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: 0 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

ML4800
Current Error Amplier
8
15
2
4
3
7
I AC
V FB
V RMS
I SENSE
RAMP 1
2.5V
–
+
VEA
VEAO
MODULATOR
GAIN
16
1.6k
1.6k
+
–
IEA
IEAO
Figure 1. PFC Section Block Diagram
1
OSCILLATOR
+
–
0.5V
+
–
TRI-FAULT
Cycle-By-Cycle Current Limiter
TriFault Detect
Overvoltage Protection
2.75V
–1V
PFC I LIMIT
OVP
+
–
+
–
TM
S
R
S
R
PRODUCT SPECIFICATION
Q
Q
Q
Q
REV. 1.0.5 9/25/01
PFC OUT
12