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  
1
Page 1
2
Page 2
3
Page 3
4
Page 4
5
Page 5
6
Page 6
7
Page 7
8
Page 8
9
Page 9
10
Page 10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
Page 3/32

Download datasheet (2Mb)Embed
PrevNext
VIPER28
1
Block diagram
Figure 2.
Block diagram
LEB
LEB
EPT
Tov l
Tov l
EPT
Tovl
Tovl
BLOCK
BLOCK
OLP
OLP
SOFT
SOFT
START
START
OCP
OCP
BLOCK
BLOCK
CONT
CONT
OVP DETECTION
OVP DETECTION
LOGIC
LOGIC
PWM
PWM
BLOCK
BLOCK
OVP
OVP
FB
FB
2
Typical power
Table 2.
Typical power
Part number
Adapter
VIPER28
1. Typical continuous power in non ventilated enclosed adapter measured at 50 °C ambient.
2. Maximum practical continuous power in an open frame design at 50 °C ambient, with adequate heat sinking.
VDD
Internal Supply bus
Internal Supply bus
&
&
Ref erence Voltages
Ref erence Voltages
OSCILLATOR
OSCILLATOR
TURN-ON
TURN-ON
LOGIC
LOGIC
BURST
BURST
OCP
OCP
-
-
+
+
PWM
PWM
+
+
-
-
2nd OCP
2nd OCP
-
-
+
+
+
+
-
-
Disable
Disable
BURST-MODE
BURST-MODE
BURST
BURST
LOGIC
LOGIC
230 V
AC
(1)
(2)
Open frame
18 W
20 W
Doc ID 15028 Rev 4
Block diagram
SUPPLY
SUPPLY
HV_ON
HV_ON
I
DDch
& UVLO
& UVLO
THERMAL
THERMAL
UVLO
UVLO
SHUTDOWN
SHUTDOWN
OTP
OTP
S
S
Q
Q
LEB
LEB
R
R
HV_ON
HV_ON
Q
Q
S
S
R
R
2nd OCP
2nd OCP
LOGIC
LOGIC
OTP
OTP
OVP
OVP
OLP
OLP
Rsense
Rsense
85-265 V
AC
(1)
Adapter
Open frame
10 W
DRAIN
DRAIN
GND
GND
(2)
12 W
3/32