DPA423 Power Integrations, Inc., DPA423 Datasheet - Page 25

• 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.

NOTES:
A. For specifications with negative values, a negative temperature coefficient corresponds to an increase in
B. For externally adjusted current limit values, please refer to Figure 34 (Current Limit vs. External Current Limit
C. Breakdown voltage may be checked against minimum BV
D. It is possible to start up and operate DPA-Switch at DRAIN voltages well below 16 V. However, the CONTROL
OFF-State Drain
Leakage Current
Breakdown
Voltage
Rise Time
Fall Time
DRAIN Supply
Voltage
Shunt Regulator
Voltage
Shunt Regulator
Temperature Drift
CONTROL
Supply/Discharge
Current
SUPPLY VOLTAGE CHARACTERISTICS
OUTPUT (cont)
magnitude with increasing temperature, and a positive temperature coefficient corresponds to a decrease in
magnitude with increasing temperature.
Resistance) in the Typical Performance Characteristics section.
but not exceeding minimum BV
pin charging current is reduced, which affects start-up time, auto-restart frequency, and auto-restart duty cycle.
Refer to Figure 44, the characteristic graph on CONTROL pin charge current (I
voltage operation characteristics.
Parameter
Symbol
V
BV
C(SHUNT)
I
l
l
DSS
CD1
CD2
t
t
R
F
DSS
DSS
.
MOSFET Enabled
V
I
SOURCE = 0 V
C
Measured in a Typical Application
Measured in a Typical Application
f
X
OSC
= (I
, V
T
V
(Unless Otherwise Specified)
I
J
V
C
D
I
V
C
L
= 125 °C;
Output
Output MOSFET Disabled
= 400 kHz
L
= 150 V;
C(skip)
= (I
X
= Floating;
V
= (I
, V
= 0 V;
L
C(skip)
= 0 V; f
L
C(skip)
I
= Floating; T
+ I
C
Conditions
See Figure 32
= (I
See Note D
B
+ I
)/2
+ I
C(skip)
;
B
OSC
B
)/2; See Note C
T
)/2; T
J
= 400 kHz
= -40 to 125 °C
+ I
DSS
J
B
J
)/2
DPA423
DPA424
DPA425
DPA426
DPA423
DPA424
DPA425
DPA426
= 25 °C
= 25 °C
specification by ramping the DRAIN pin voltage up to
Min
220
5.6
1.9
2.6
3.7
4.8
0.4
16
C
) vs. DRAIN voltage for low
5.85
0.73
Typ
±50
2.3
3.0
4.3
5.4
10
10
DPA423-426
Max
6.0
2.7
3.4
4.8
1.2
130
260
360
6
65
PPM/°C
Units
4/04
mA
µA
ns
ns
L
V
V
V
25