Power Integrations Inc. TOP412
The TOPSwitch family implements, with only three terminals, all functions necessary for a DC to DC, converter: high voltage N-channel power MOSFET with controlled turn-on gate driver, voltage mode PWM controller with integrated 120 kHz oscillator, high voltage start-up bias circuit, bandgap derived reference, bias shunt regulator/error amplifier for loop compensation and fault protection circuitry. This device is well suited for Telecom, Cablecom and other DC to DC converter applications up to Table 1.| Part No. | TOP412 |
|---|---|
| Datasheet | TOP412 Download |
| Manufacturer |  Power Integrations Inc. |
| Description | Three-terminal DC to DC PWM Switch |
| Buy | Stock & Price |
FEATURES
● Auto-restart and cycle by cycle current limiting functions handle both primary and secondary faults● On-chip latching thermal shutdown protects the entire system against overload Highly Versatile
● Implements Buck, Boost, Flyback or Forward topology
● Easily interfaces with both opto and primary feedback
● Supports continuous or discontinuous mode of operation
● Specified for operation down to 16 V DC input VIN D CONTROL ® ® VO TOP414 S C PI-2371-120198 Figure 1. Typical Application. Output Power Capability1-4 MINIMUM INPUT VOLTAGE 18 VDC 24 VDC 36 VDC 48 VDC 60 VDC 72 VDC 90 VDC ORDER PART NUMBER TOP412G 3W 5W 7W 9W 12 W 15 W 18 W TOP414G 4W 6W 9W 12 W 15 W 18 W 21 W
DESCRIPTION
Compared to discrete MOSFET and controller or self oscillating (RCC) switching converter solutions, a TOPSwitch integrated circuit can reduce total cost, component count, size, weight and at the same time increase efficiency and system reliability. TOP412/414 Output Power. Notes: 1. Assumes maximum junction temperature of 100 °C 2.
