VIPER25LDTR STMicroelectronics, VIPER25LDTR Datasheet - Page 18

• Manufacturer Part Number: VIPER25LDTR
• Description: IC OFFLINE CONV PWM OVP OCP 16SO
• Manufacturer: STMicroelectronics
• Series: VIPer™ plusr

Specifications of VIPER25LDTR

• Output Isolation: Isolated
• Frequency Range: 122 ~ 150kHz
• 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: 497-10067-2

Operation description
18/40
Figure 24. Timing diagram: Start-up phase and soft start (case 1)
Figure 25. Timing diagram: Start-up phase and soft start (case 2)
I
DRAIN
I
V
V
DRAIN
V
V
V
V
V
FBolp
I
OUT
V
FBolp
FBlin
I
FBlin
OUT
Dlim
Dlim
FB
FB
Regulated value
Regulated value
t
SU
t
SS
t
SU
(start up phase)
t
(soft start)
SS
(start up phase)
(soft start)
Doc ID 15585 Rev 4
T
OLP-delay
VIPER25
t
t
t
t
t
t