VIPER28 STMicroelectronics, VIPER28 Datasheet - Page 2

no-image

VIPER28

Manufacturer Part Number
VIPER28
Description
VIPerPlus family: fixed frequency high performance off line high voltage converter
Manufacturer
STMicroelectronics
Datasheet

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
VIPER28H
Manufacturer:
ST
0
Part Number:
VIPER28H
Manufacturer:
ST
Quantity:
20 000
Part Number:
VIPER28HD
Manufacturer:
ST
0
Part Number:
VIPER28HD
Manufacturer:
ST
Quantity:
14 379
Part Number:
VIPER28HDTR
Manufacturer:
ST
0
Part Number:
VIPER28HE
Manufacturer:
STM
Quantity:
2 000
Part Number:
VIPER28HN
Quantity:
14 714
Part Number:
VIPER28HN
Manufacturer:
ST
0
Part Number:
VIPER28HN
Manufacturer:
ST
Quantity:
20 000
Part Number:
VIPER28HN
Manufacturer:
ST
Quantity:
9 867
Part Number:
VIPER28HN.
Manufacturer:
ST
0
Part Number:
VIPER28L
Manufacturer:
ST
Quantity:
20 000
Part Number:
VIPER28LD
Manufacturer:
ST
Quantity:
15 786
Part Number:
VIPER28LDTR
Manufacturer:
ST
Quantity:
12 191
Part Number:
VIPER28LE
Manufacturer:
ROHM
Quantity:
893
Part Number:
VIPER28LN
Manufacturer:
STMicroelectronics
Quantity:
500
Part Number:
VIPER28LN
Manufacturer:
ST
Quantity:
300
Contents
Contents
1
2
3
4
5
6
7
8
9
2/32
Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Typical power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Pin settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Electrical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
4.1
4.2
4.3
Typical electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Typical circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Operation descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
7.1
7.2
7.3
7.4
7.5
7.6
7.7
7.8
7.9
7.10
7.11
7.12
7.13
Package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Oscillator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Feed-back and overload protection (OLP) . . . . . . . . . . . . . . . . . . . . . . . . 20
Burst-mode operation at no load or very light load . . . . . . . . . . . . . . . . . . 23
Extra power management function (EPT) . . . . . . . . . . . . . . . . . . . . . . . . 24
2nd level overcurrent protection and hiccup mode . . . . . . . . . . . . . . . . . . 25
Maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Thermal data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Power section and gate driver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
High voltage startup generator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Power-up and soft-start up . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Power down operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Auto restart operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Current mode conversion with adjustable current limit set point . . . . . . . 18
Overvoltage protection (OVP) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
About CONT pin . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Doc ID 15028 Rev 4
VIPER28

Related parts for VIPER28