HTH27022S
PRELIMINARY
Absolute Maximum Ratings
Recommended Operating Conditions
Input voltage range
-0.5Vdc to +400Vdc
Internally limited
+300°C for 10 seconds Operating temperature
Input voltage range
190Vdc to 400Vdc
0 to Max. Rated
-20°C to +165°C
-20°C to +165°C
Output power
Output power
Lead temperature
Operating case temperature
Storage temperature
-20°C to +175°C
-55°C to +175°C
Storage temperature
Electrical Performance Characteristics
Conditions
Limits
≤
≤
+165°C
-20°C
T
C
±
= 270V DC 5%, C = 0
L
V
Group A
IN
Subgroup
unless otherwise specified
Guaranteed to turn on
Parameter
Input Voltage
Min. Nom. Max.
Unit
V
1,2,3
1,2,3
1,2,3
1,2,3
190
21.34
0
270
400
22.66
55
Output Voltage ( V
)
I
= 100% Rated Load, Note 1
= 190, 270, 400 Volts, Note 2
= 190, 270, 400 Volts, Note 2
V
W
A
OUT
OUT
Output Power ( P
)
V
OUT
IN
IN
Output Current ( I
)
V
0
2.5
OUT
V
V
= 190, 270, 400 Volts, Notes 1, 4
IN
1,2,3
1,2,3
-120
-220
120
220
mV
Line Regulation ( VR
)
LINE
I
= 10, 50, 100% Rated Load
OUT
= 190, 270, 400 Volts, Notes 1, 4
IN
mV
mA
Load Regulation ( VR
)
LOAD
I
= 10, 50, 100% Rated Load
OUT
1,2,3
1,2,3
1,2,3
15
100
5.0
Input Current, No Load ( I
Input Ripple Current
)
I
= 0. Pin 4 open
OUT
IN
I
= 100% Rated Load, BW = 10MHz
Pin 4 shorted to Pin 2
mA
P-P
OUT
Input Current Inhibited
mA
Input Under Voltage Lockout:
Turn-on (Input Voltage Rising)
1,3
2
160
160
180
190
Min Load, Note 1
V
Turn-off (Input Voltage Decreasing)
1,2,3
135
160
V
= 190, 270, 400 Volts, Notes 1, 3
IN
Output Ripple ( V
)
1,2,3
120
mVP-P
RIP
I
= 10%, 100% Rated Load
OUT
1,2,3
1,2,3
80
84
%
Efficiency ( E
)
I
= 100% Rated Load , Note 1
Sync. Input (Pin 6) open
FF
OUT
Switching Frequency ( F
)
470
580
kHz
S
Synchronization Input
Frequency Range
1,2,3
1,2,3
1,2,3
1,2,3
1,2,3
500
4.0
600
10
kHz
V
Pulse Amplitude, High
Pulse Amplitude, Low
Pulse Rise Time
Notes 1, 12
-0.5
0.8
100
80
V
ns
%
Pulse Duty Cycle
20
For Notes to Electrical Performance Characteristics, refer to page 4
2
www.irf.com