EVLVIP27L-12WS STMicroelectronics, EVLVIP27L-12WS Datasheet - Page 16

• Manufacturer Part Number: EVLVIP27L-12WS
• Description: EVAL BOARD FOR VIPER27LX
• Manufacturer: STMicroelectronics
• Series: VIPer™ plusr

Specifications of EVLVIP27L-12WS

• Main Purpose: AC/DC, Primary Side
• Board Type: Fully Populated
• Utilized Ic / Part: VIPer27
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Current - Output: -
• Voltage - Output: -
• Voltage - Input: -
• Power - Output: -
• Frequency - Switching: -
• Outputs And Type: -
• Regulator Topology: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 497-9084

Operation descriptions
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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