ML4841CP_NL Fairchild Semiconductor, ML4841CP_NL Datasheet - Page 6

• Manufacturer Part Number: ML4841CP_NL
• Manufacturer: Fairchild Semiconductor

Specifications of ML4841CP_NL

• Start-up Supply Current: 700uA
• Switching Freq: 200kHz
• Operating Supply Voltage (min): 12.8V
• Operating Supply Voltage (typ): 13.5V
• Operating Supply Voltage (max): 14.2V
• Operating Temp Range: 0C to 70C
• Operating Temperature Classification: Commercial
• Package Type: PDIP W
• Pin Count: 16
• Mounting: Through Hole
• Lead Free Status / RoHS Status: Compliant

ML4841
Typical Performance Characteristics
6
15
Voltage Error Amplifier (VEA) Transconductance (g
2
4
3
8
7
I AC
V FB
V RMS
I SENSE
RAMP 1
R T C T
2.5V
250
200
150
100
50
0
0
+
-
VEA
VEAO
MODULATOR
1
GAIN
16
2
V FB (V)
3.5kΩ
3.5kΩ
3
+
-
IEA
IEAO
8V
Variable Gain Control Transfer Characteristic
400
300
200
100
4
0
Figure 1. PFC Section Block Diagram.
0
1
OSCILLATOR
+
-
5
1
m
)
V RMS (mV)
2
÷2
3
Current Error Amplifier (IEA) Transconductance (g
2.7V
-1V
250
200
150
100
4
50
PFC I LIMIT
0
-500
OVP
+
+
-
-
5
V CCZ
IEA Input Voltage (mV)
V CCZ
13.5V
UVLO
0
R
R
S
S
PRODUCT SPECIFICATION
REFERENCE
Q
Q
Q
Q
REV. 1.0.3 6/13/01
7.5V
13
V CC
PFC OUT
500
V REF
m
14
12
)