APW6021
Thermal Characteristics
Symbol
Parameter
Value
Unit
C/W
Thermal Resistance in Free Air
SOIC
75
65
R θ
°
JA
SOIC (with 3in2 of Copper)
Block Diagram
VSEN1
OCSET
VCC
VSEN3
FIX
SD
VAUX
-
Power-on
Reset
(POR)
×
×
1.10
0.90
DRIVE3
+
VAUX
-
200 µA
+
+
-
×
0.75
+
DRIVE
4
4
+
-
-
+
-
LUV
+
-
PGOOD
1.26V
LINEAR
UNDER-
VOLTAGE
×
1.15
+
VSEN
-
VCC
OV
DRIVER1
INHIBIT
FAULT
SOFT START
FAULT
LOGIC
UGATE
PHASE
&
OC1
+
-
-
+
DRIVE2
VSEN2
+
-
INHIBIT
GATE
CONTROL
+
-
+
-
ERROR
AMP1
VCC
PWM
PWM1
COMP1
×
0.75
LGATE
PGND
VCC
SYNCH
DRIVE
DACOUT
TTL D/A
CONVERTER
(DAC)
OSCILLATOR
FAULT/ RT
1.5V
+
-
28 A
µ
or
GND
SELECT
3.3v
4.5V
SS
FB
COMP
VID0 VID1 VID2 VID3 VID4
Copyright ANPEC Electronics Corp.
Rev. P.4 - Mar., 2001
3
www.anpec.com.tw
ANPEC [ ANPEC ELECTRONICS COROPRATION ]
