STR-A6259H ALLEGRO [Allegro MicroSystems], STR-A6259H Datasheet - Page 7

• Manufacturer Part Number: STR-A6259H
• Description: Universal-Input 13 W 100 kHz Flyback Switching Regulators
• Manufacturer: ALLEGRO [Allegro MicroSystems]

STR-A6259H
Universal Input 13 W 100 kHz
Flyback Switching Regulators
100 Ω
100 Ω
V
V
10V
10V
DD
DD
S/OCP FM/SS
S/OCP FM/SS
D
D
8
1
8
1
47nF
0.4A
V
STR-A6259H
V
STR-A6259H
I
D
D
D
A
D
D
7
2
7
2
V
I
FM
FM
V
GND
GND
OCP
3
3
5.1V
5.1V
S/OCPFM/SS
FB/CC
VCC
D
FB/CC
/OLP
8
1
VCC
/OLP
5
4
5
4
V
STR-A6259H
18V
Vcc
Vcc
D
D
7
2
Icc
47nF
A
GND
3
+
1µF
5.1V
+
1µF
FB/CC
VCC
/OLP
5
4
V
V
I
V
FM
Vcc
V
Icc
CC
FM
D
0µA
D
18V
Vcc
0V
Icc(OFF)
13V
+
1µF
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036
Measurement Circuit 1
Vcc(ON)
Measurement Circuit 2
Measurement Circuit 3
Vcc
V
V
V
I
sinkFM
OCP
D
fosc(Hi)
H
FM
18V
Icc
0V
·R
18V
V
DS(ON)
D(Lo)
fosc(Lo)
=V
V
I
sorcFM
Vcc(OFF)
L
D(Lo)
FM
18V
/ 0.4
V
Vocp
L
·Δf =fosc(Hi)-fosc(Lo)
·Dmax=T2/T1 100
FM
+(V
V
Vcc
Icc
D
H
fosc(av)
FM
18V
-V
T1
T2
Vcc(OVP)
L
FM
)/2
1V
36V
V
0V
Tbw
D
140µA typ.
8.4V
Icc(H)
tf
90%
10%
10V
Vcc(La.OFF)
4µA
typ.
7