STR-A6259H ALLEGRO [Allegro MicroSystems], STR-A6259H Datasheet - Page 6

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

ELECTRICAL CHARACTERISTICS for Controller (MIC) continued, valid at T
Constant Current Set Voltage
Constant Current Reset
Voltage
Start-Up Current
OVP Threshold Voltage
Latch Circuit Sustaining
Current
Latch Circuit Release
Voltage
Thermal Shutdown Operating
Temperature
ELECTRICAL CHARACTERISTICS for MOSFET, valid at T
Drain-to-Source Breakdown
Voltage
Drain Leakage Current
On-Resistance
Switching Time
Thermal Resistance
1
Latch circuit enabled when OVP and TSD in operation
STR-A6259H
Universal Input 13 W 100 kHz
Flyback Switching Regulators
1
1
V
V
V
V
R
CC(LaOFF)
CC(OVPth)
T
R
I
RES(CC)
I
SET(CC)
V
startup
DS(ON)
CC(H)
J(TSD)
I
DSS
θch-F
DSS
t
f
4-3
4-3
6-3
5-3
5-3
5-3
8-1
8-1
8-1
8-1
(FB/CC/OLP terminal voltage at which I
280 μA to 16 μA due to V
Measurement circuit 4
(FB/CC/OLP terminal voltage at which I
16 μA to 280 μA due to V
V
(Outflow current from V
Measurement circuit 5, V
(V
stops due to V
Measurement circuit 1, V
(Inflow current into VCC at V
operation)
Measurement circuit 1, V
(V
V
Measurement circuit 1, V
Measurement circuit 6, I
(Inflow current into D terminal at V
Measurement circuit 5
Measurement circuit 3, I
Measurement circuit 2
Between channel and internal frame; measured at the root
of terminal 3
A
RES(CC)
CC
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036
= 25°C, V
CC
CC
after OVP operation)
at which the oscillation of the D terminal waveform
at which I
× V
CC
CC
= 25 V, Measurement circuit 4, V
CC
= 18 V, unless otherwise specified
CC
increasing from 18 V)
A
drops below 20 μA due to decreasing
= 25°C, V
CC
D
D
CC
CC
CC
CC
FB
= 300 μA
= 0.4 A
FB
terminal at V
decreasing from 8 V)
= 13 V
= 18 through 31 to 35.2 V
= 35.2 to 8.6 V
= 35.2 through 5.9 to 8.6 V
increasing from 5 V)
CC
CC
= 8.4 V, after OVP
= 18 V, unless otherwise specified
DD
= 650 V)
DD
FB
FB
= 600 V)
changes from
changes from
CC
= 25 V
0.77
28.8
125
650
4.9
3.5
5.9
–
–
–
–
–
140
5.8
3.9
1.1
7.2
32
–
–
–
–
–
–
1.43
35.2
270
300
250
6.7
4.3
8.6
52
–
–
6
°C/W
mA
μA
μA
°C
ns
Ω
V
V
V
V
V
6