ST4460FX STMICROELECTRONICS | Alldatasheet

Document overview

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Technical content

Datasheet sections

  • 1 Electrical ratings
  • 2 Electrical character istics
  • 2.1 Electrical characteristics (curve)
  • 2.2 Test circuits
  • 3 Package mechanical data
  • 4 Revision history

Part Number Marking Package Packing ST4460FX 4460FX ISOWATT218FX Tube ST4460FX High voltage fast-switching NPN Power transistor General features ■ High voltage and high current capability ■ Low spread of dynamic parameters ■ Low base-drive requirements ■ Very high switching speed ■ High ruggedness ■ Fully insulated power package U.L. compliant

Applications

■ Switch mode power supplies for CRT TV

Description

The device is manufactured using high voltage Multi Epitaxial Mesa technology adopting Hollow Emitter structure to enhance switching performances. Internal schematic diagram ISOWATT218FX

1 Electrical ratings

Table 2. Thermal data Table 1. Absolute maximum rating

2 Electrical characteristics

Table 3. Electrical characteristics

  1. Pulsed: Pulse duration = 300 ms, duty cycle 1.5 %

2.1 Electrical characteristics (curve)

Figure 1. Safe operating area Figure 2. Derating curve Figure 3. DC current gain Figure 4. DC current gain Figure 5. Collector emitter saturation Figure 6. Base emitter saturation

2.2 Test circuits

Figure 10. Power losses and inductive load switching Figure 11. Reverse biased safe operating area

3 Package mechanical data

In order to meet environmental requirements, ST offers these devices in ECOPACK® packages. These packages have a Lead-free second level interconnect. The category of second level interconnect is marked on the package and on the inner box label, in compliance with JEDEC Standard JESD97. The maximum ratings related to soldering conditions are also marked on the inner box label. ECOPACK is an ST trademark. ECOPACK specifications are available at: www.st.com

DIM. mm. MIN. TYP MAX. A 5.30 5.70 C 2.80 3.20 D 3.10 3.50 D1 1.80 2.20 E 0.80 1.10 F 0.65 0.95 F2 1.80 2.20 G 10.30 11.50 G1 5.45 H 15.30 15.70 L9 1 0 . 2 0 L2 22.80 23.20 L3 26.30 26.70 L4 43.20 44.40 L5 4.30 4.70 L6 24.30 24.70 L7 14.60 15 N 1.80 2.20 R 3.80 4.20 Dia 3.40 3.80 ISOWATT218FX MECHANICAL DATA 7627132 B

4 Revision history

Table 4. Revision history 18-Dec-2006 1 Initial release.