VIPER53SP STMicroelectronics, VIPER53SP Datasheet - Page 9

• Manufacturer Part Number: VIPER53SP
• Description: IC OFFLINE SWIT PWM CM POWERSO10
• Manufacturer: STMicroelectronics
• Series: VIPER™r

Specifications of VIPER53SP

• Output Isolation: Isolated
• Frequency Range: 93 ~ 300kHz
• Voltage - Input: 8.4 ~ 19 V
• Voltage - Output: 620V
• Power (watts): 40W
• Operating Temperature: 25°C ~ 125°C
• Package / Case: PowerSO-10 Exposed Bottom Pad
• For Use With: 497-8435 - BOARD EVAL FOR VIPER53 28W497-6458 - BOARD EVAL BASED ON VIPER53-E497-6262 - BOARD REF SGL VIPER53 90-264VAC497-5866 - EVAL BOARD 24W NEG OUT VIPER53E497-4933 - BOARD PWR SUPPLY 24W OUTPUT VIPE
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-3289-5

Figure 9: Oscillator Schematic and Settings
Rt
Ct
OSC
320
Frequency (kHz)
SOURCE
VDD
Vcc
100
300
10
1
2.2nF
4.7nF
10nF
22nF
section
PWM
R
T
10
(K )
F
The switching frequency settings shown
on the graphic here below is valid within
the following boundaries:
R
SW
1nF
t
2k
300 kHz
VIPer53DIP / VIPer53SP
100
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