Switching Converters, Regulators & Controllers VIPer28 Rugged 800V Fixed freq 115 kHz

VIPER28HE

Manufacturer Part NumberVIPER28HE
DescriptionSwitching Converters, Regulators & Controllers VIPer28 Rugged 800V Fixed freq 115 kHz
ManufacturerSTMicroelectronics
VIPER28HE datasheet
 


Specifications of VIPER28HE

Output Voltage800 VOutput Current3 A
Output Power20 WInput Voltage8.5 V to 23.5 V
Switching Frequency115 KHzOperating Temperature Range- 40 C to + 150 C
Mounting StyleThrough HolePackage / CaseSDIP-10
Lead Free Status / RoHS StatusLead free / RoHS Compliant  
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VIPER28
Table 8.
Controller section
Symbol
Parameter
Feed-back pin
V
Over-load shut down threshold
FBolp
V
Linear dynamics upper limit
FBlin
V
Burst mode threshold
FBbm
V
Burst mode hysteresis
FBbmhys
I
Feed-back sourced current
FB
R
Dynamic resistance
FB(DYN)
ΔV
/ ΔI
H
FB
FB
D
CONT pin
VCONT_l
Low level clamp voltage
Current limitation
I
Max drain current limitation
Dlim
t
Soft-start time
SS
T
Minimum turn ON time
ON_MIN
td
Propagation delay
t
Leading edge blanking
LEB
I
Peak drain current during burst mode V
D_BM
Oscillator section
VIPER28
L
F
OSC
VIPER28
H
FD
Modulation depth
FM
Modulation frequency
D
Maximum duty cycle
MAX
Test condition
Voltage falling
Voltage rising
V
= 0.3 V
FB
3.3 V < V
< 4.8 V
FB
V
< 3.3 V
FB
I
= -100 µA
CONT
V
= 4 V, I
= -10 µA
FB
CONT
T
= 25 °C
J
= 0.6 V
FB
V
= operating voltage
DD
range, V
= 1 V
FB
VIPER28
L
VIPER28
H
Doc ID 15028 Rev 4
Electrical data
Min
Typ
Max
Unit
4.5
4.8
5.2
V
3.2
3.5
3.7
V
0.6
V
100
mV
-150
-200
-280
uA
-3
uA
14
20
2
6
V/A
0.5
V
0.75
0.80
0.85
A
8.5
ms
220
400
480
ns
100
ns
300
ns
160
mA
54
60
66
kHz
103
115
127
kHz
±4
kHz
±8
kHz
250
Hz
70
80
%
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