Product Summary

The DPA424SN is a highly integrated DC-DC converter IC for distributed power architectures. DPA-Switch uses the same proven topology as TOPSwitch, cost effectively integrating the high voltage power MOSFET, PWM control, fault protection and other control circuitry onto a single CMOS chip. High performance features are enabled with three user configurable pins.The following transparent or built-in features are also provided: soft-start, cycle skipping down to zero load and hysteretic thermal shutdown. In addition, all critical parameters (i.e. current limit, frequency, PWM gain) have tight temperature and absolute tolerance, to simplify design and optimize system cost.

Parametrics

DPA424SN absolute maximum ratings: (1)drain voltage: -0.3 V to 220 V; (2)drain peak current: DPA423: 3.5 A; (3)control voltage: -0.3 V to 9 V; (4)control current: 100 mA; (5)line sense pin voltage: -0.3 V to 9 V; (6)external current limit pin voltage: -0.3 V to 9 V; (7)frequency pin voltage: -0.3 V to 9 V; (8)Storage Temperature: -65 ℃ to 150 ℃; (9)Operating Junction Temperature: -40 ℃ to 150 ℃; (10)Lead Temperature: 260 ℃.

Features

DPA424SN features: (1)Eliminates 20-50 external components–saves space, cost; (2)Integrates 220 V high frequency MOSFET, PWM control; (3)Lower cost plastic DIP surface mount (G package) and through-hole (P package) options for designs ≤35 W; (4)Thermally efficient MO-169-7C (S-PAK) and TO-263-7C (R package) options for high power applications; (5)Superior Performance and Flexibility; (6)Extremely low consumption at no load; (7)Cycle skipping at light load for high standby efficiency.

Diagrams

DPA424SN pin connection

Image Part No Mfg Description Data Sheet Download Pricing
(USD)
Quantity
DPA424SN
DPA424SN

Power Integrations

DC/DC Switching Converters 35W 36-75V DCIN

Data Sheet

Negotiable 
DPA424SN-TL
DPA424SN-TL

Power Integrations

DC/DC Switching Converters 35W 36-75V DCIN

Data Sheet

Negotiable