VIPER27LDTR STMicroelectronics, VIPER27LDTR Datasheet - Page 16
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VIPER27LDTR
Manufacturer Part Number
VIPER27LDTR
Description
IC OFFLINE CONV PWM OVP OCP 16SO
Manufacturer
STMicroelectronics
Series
VIPer™ plusr
Datasheet
1.VIPER27LD.pdf
(31 pages)
Specifications of VIPER27LDTR
Output Isolation
Isolated
Frequency Range
54 ~ 66kHz
Voltage - Input
8.5 ~ 23.5 V
Voltage - Output
800V
Power (watts)
24W
Operating Temperature
-40°C ~ 150°C
Package / Case
16-SOIC (0.154", 3.90mm Width)
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
497-10069-2
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
VIPER27LDTR
Manufacturer:
ST
Quantity:
20 000
Operation descriptions
16/31
Figure 23. Timing diagram: normal power-up and power-down sequences
Figure 24. Soft-start: timing diagram
V
V
I
DRAIN_START
DD(RESTART)
DDch
V
DRAIN
V
(3mA)
V
DDoff
DDon
V
V
I
DD
DD
IN
Power-on
I
DRAIN
V
V
V
I
V
FBolp
Dlim
FBlin
OUT
FB
t
SS
( SOFT START- UP )
Doc ID 15133 Rev 5
Normal operation
DELAY (OLP)
STEADY STATE
regulation is lost here
Power-off
V
HV startup is no more activated
t
t
t
IN
< V
DRAIN_START
time
time
time
time
VIPER27