ML4800ISX_NL Fairchild Semiconductor, ML4800ISX_NL Datasheet - Page 8

• Manufacturer Part Number: ML4800ISX_NL
• Manufacturer: Fairchild Semiconductor

Specifications of ML4800ISX_NL

• Start-up Supply Current: 200uA
• Switching Freq: 81kHz
• Operating Supply Voltage (max): 18V
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Package Type: SOIC N
• Pin Count: 16
• Mounting: Surface Mount
• Lead Free Status / RoHS Status: 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