DPA423 Power Integrations, Inc., DPA423 Datasheet - Page 24

• Manufacturer Part Number: DPA423
• Description: Highly Integrated DC-DC Converter Ics For Distributed Power Architecturesthe Dpa-switch ic Family Introduces a Highly Integratedsolution For DC-DC Conversion Applications in The 16-75 Vdcinput Range.dpa-switch Uses The Same Proven Topology as Topswit
• Manufacturer: Power Integrations, Inc.

Self Protection
Current Limit
(See Note B)
Initial Current Limit
Leading Edge
Blanking Time
Current Limit Delay
Thermal Shutdown
Temperature
Thermal Shutdown
Hysteresis
Power-up Reset
Threshold Voltage
ON-State
Resistance
FREQUENCY Pin
Threshold Voltage
FREQUENCY Pin
Input Current
FREQUENCY Pin
Delay Time
24
OUTPUT
DPA423-426
FREQUENCY (F) INPUT
CIRCUIT PROTECTION
Parameter
L
4/04
Symbol
V
T
t
R
delay(VF)
T
C(RESET)
J(SD)hyst
I
t
I
t
DS(ON)
LIMIT
IL(D)
V
J(SD)
INIT
LEB
I
F
F
T
J
SOURCE = 0 V
= 25 °C
I
I
D
D
I
I
(Unless Otherwise Specified)
D
D
DPA423
DPA424
DPA425
DPA426
= 300 mA
= 600 mA
= 1.25 A
= 1.75 A
I
DPA423 di/dt = 300 mA/µs
DPA424 di/dt = 600 mA/µs
Conditions
See Figure 32
C
DPA425 di/dt = 1.25 A/µs
DPA426 di/dt = 1.75 A/µs
= (I
V
T
V
J
V
D
F
= 25 °C
C(skip)
;
F
= 35 V
= 0 V
T
= V
J
= -40 to 125 °C
+I
C
T
T
T
T
B
T
T
T
T
)/2
J
J
J
J
J
J
J
J
= 100 °C
= 100 °C
= 100 °C
= 100 °C
= 25 °C
= 25 °C
= 25 °C
= 25 °C
I
LIMIT(min)
0.9 x
1.16
2.32
4.65
6.50
Min
130
1.5
1.1
Typ
1.25
2.50
5.00
7.00
2.75
-0.38
1.30
2.00
0.65
1.00
0.33
0.50
0.24
0.37
100
137
27
17
5.35
7.50
Max
1.50
0.75
1.15
0.38
0.58
0.28
0.43
1.34
2.68
100
2.30
120
145
4
2
4
Units
µA
µs
ns
ns
°C
°C
V
A
A
V
Ω