dpa422 Power Integrations, Inc., dpa422 Datasheet - Page 24

• Manufacturer Part Number: dpa422
• Description: Highly Integrated Dc-dc Converter Ics For Power Over Ethernet & Telecom Applications
• Manufacturer: Power Integrations, Inc.

Rev. S 12/07
Circuit Protection (cont.)
Initial Current Limit
Leading Edge
Blanking Time
Current Limit Delay
Thermal Shutdown
Temperature
Thermal Shutdown
Hysteresis
Power-Up Reset
Threshold Voltage
Output
ON-State Resistance
OFF-State Drain
Leakage Current
Breakdown Voltage
Rise Time
Fall Time
24
Parameter
DPA422-426
Symbol
V
T
R
B
T
J(SD)hyst
C(RESET)
T
I
I
t
DS(ON)
DSS
VDSS
INIT
LEB
J(SD)
t
IL(D)
t
R
F
V
I
SOURCE = 0 V; T
C
X
, V
T
I
I
I
= (I
V
D
D
D
I
I
Measured in a Typical Application
Measured in a Typical Application
D
D
J
D
DPA422
DPA423
DPA424
DPA425
DPA426
= 150 mA
= 300 mA
= 600 mA
= 125 °C;
L
(Unless Otherwise Specifi ed)
= 1.25 A
= 1.75 A
I
= 150 V;
C(skip)
V
= Floating;
C
X
= (I
, V
+ I
L
C(skip)
I
= Floating; T
See Figure 33
C
B
Conditions
)/2
= (I
T
V
+ I
J
D
= 25 °C
C(skip)
B
= 35 V
)/2; See Note C
J
+ I
= -40 to 125 °C
B
J
)/2
= 25 °C;
T
T
T
T
T
T
T
T
T
T
J
J
J
J
J
DPA422
DPA423
DPA424
DPA425
DPA426
J
J
J
J
J
= 100 °C
= 100 °C
= 100 °C
= 100 °C
= 100 °C
= 25 °C
= 25 °C
= 25 °C
= 25 °C
= 25 °C
0.9 ×
Min
130
220
1.5
2.75
2.60
4.00
1.30
2.00
0.65
1.00
0.33
0.50
0.24
0.37
Typ
100
137
27
10
10
Max
3.00
4.60
1.50
2.30
0.75
1.15
0.38
0.58
0.28
0.43
100
145
130
260
360
33
65
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4
Units
μA
ns
ns
°C
°C
ns
ns
Ω
A
V
V