VIPER16LD STMicroelectronics, VIPER16LD Datasheet - Page 2
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VIPER16LD
Manufacturer Part Number
VIPER16LD
Description
IC OFFLINE CONV PWM OTP 16-SOIC
Manufacturer
STMicroelectronics
Series
VIPer™ plusr
Datasheet
1.VIPER16HDTR.pdf
(24 pages)
Specifications of VIPER16LD
Output Isolation
Either
Frequency Range
54 ~ 66kHz
Voltage - Input
11.5 ~ 23.5 V
Voltage - Output
800V
Power (watts)
12W
Operating Temperature
-40°C ~ 150°C
Package / Case
16-SOIC (0.154", 3.90mm Width)
Switching Frequency
60 KHz
Mounting Style
SMD/SMT
Duty Cycle (max)
80 %
For Use With
497-9006 - BOARD EVAL BASED ON VIPER16497-8838 - EVAL BOARD FOR VIPER16LD497-8837 - EVAL BOARD FOR VIPER16LD ISO PSU
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
VIPER16LDTR
Manufacturer:
STM
Quantity:
2 188
Part Number:
VIPER16LDTR
Manufacturer:
ST
Quantity:
20 000
Contents
Contents
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
2/24
Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Typical power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Pin settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Electrical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
4.1
4.2
4.3
Typical electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Typical circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Power section . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
High voltage current generator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Oscillator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Soft start-up . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Adjustable current limit set point . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
FB pin and COMP pin . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Burst mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Automatic auto restart after overload or short-circuit . . . . . . . . . . . . . 17
Open loop failure protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Thermal data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Doc ID 15232 Rev 4
VIPER16