KA7526 Fairchild Semiconductor, KA7526 Datasheet - Page 2

• Manufacturer Part Number: KA7526
• Description: Power Factor Correction ICs PFC Controller
• Manufacturer: Fairchild Semiconductor

Specifications of KA7526

• Maximum Operating Temperature: + 125 C
• Mounting Style: Through Hole
• Package / Case: DIP-8
• Minimum Operating Temperature: - 25 C
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

KA7526
Internal Block Diagram
IC Characteristics
2
UVLO
Multiplier Input Range (Vm1)
Multiplier Input Range (Vm2)
Maximum Current Sense Voltage
MULT
Idet
CS
5
4
3
7.5V
K =
40k
Parmaeter
Pin4 Threshold(Vmo)
0~3.8V
Vm1
36V
Vm1 (Vm2-Vref)
1.8V
8pF
1.65V
13V
Vmo
-
+
+
-
240mV
Zero Current
Detector
+
-
V
5V
Current Sense
Comparator
8
CC
Multiplier
UVLO
GND
-
Vref
+
6
Timer R
S
R
2.5V Ref
Internal
Bias
2
Vref~Vref+2V
Vm2
EA OUT
Q
+
Vref ~ Verf + 2V
-
Over Voltage
Protection
+
-
0 ~ 3.8V
KA7526
Error Amp
8/13V
1.65V
Vref
V
CC
Drive
Output
Vea(-)
1.8V
7
1
OUT
INV