VIPER28LDTR STMicroelectronics, VIPER28LDTR Datasheet - Page 9

• Manufacturer Part Number: VIPER28LDTR
• Description: OFFLINE POWER SUPPLY
• Manufacturer: STMicroelectronics
• Series: VIPer™ plusr

Specifications of VIPER28LDTR

• Output Isolation: Isolated
• Frequency Range: 54 ~ 66kHz
• Voltage - Input: 8.5 V ~ 23.5 V
• Voltage - Output: 800V
• Power (watts): 20W
• Operating Temperature: -25°C ~ 125°C
• Package / Case: 16-SOIC (0.154", 3.90mm Width)
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

VIPER28
Note:
Figure 4.
Figure 5.
Adjust V
14 V
DD
14 V
above V
Minimum turn-on time test circuit
OVP threshold test circuits
3.5 V
DDon
start-up threshold before setting to 14 V
2 V
GND
VDD
CONT
FB
Doc ID 15028 Rev 4
GND
VDD
CONT
FB
DRAIN
DRAIN
EPT
DRAIN
DRAIN
EPT
50 Ω
30 V
10 kΩ
30 V
90 %
10 %
I DLIM
V OVP
V DRAIN
I DRAIN
V CONT
V DRAIN
T ONmin
Electrical data
Time
Time
Time
Time
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