str-z2500 Sanken Electric Co., Ltd., str-z2500 Datasheet

str-z2500

Manufacturer Part Number

str-z2500

Description

Power Ic For Current Resonant Type Switching Power Supply With Half-bridge Resonance, High Efficiency And Low Noise

Manufacturer

Sanken Electric Co., Ltd.

Datasheet

1.STR-Z2500.pdf (2 pages)

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General Descriptions

The STR-Z2500 series products are power ICs for current resonant type switching power

supplies, incorporating a controller IC including high-side and low-side MOSFETs of

half-bridge type resonance and a floating-drive circuit. The product achieves high efficiency

and low noise power supply systems by the ZVS and ZCS. The product is recommended for

high-efficiency small and standardized power supplies because of easy circuit designs with

few external components.

Features

Applications

Switching Power Supplies for

Product Lineup

Power IC for Current Resonant Type Switching Power Supply

Digital Consumer Equipment; LCD-TVs, PDP-TVs, etc.,

OA Equipment; Severs, Multi-Function Printers, etc.,

Industry Machines, Communication Devices, Others

with Half-Bridge Resonance, High Efficiency and Low Noise

Soft-Switched Multi-Resonant Zero Current Switch (SMZ)

The zero-current switching (ZSC) and zero-voltage switching (ZVS) of half-bridge type resonance achieve the

high efficiency and low noise systems.

24-pin SIP Package with Al-Fin (Sanken designation: SLA-24)

The product incorporates two power MOSFETs and a controller IC, and achieves small and highly integrated

systems by few external components and smaller area size.

Built-in Startup Circuit

Automatic Dead Time Adjustment Function for Wide Resonant Conditions

Burst-Oscillation Function

The function enables the stable output control at no load to light load conditions and improves the efficiency.

Soft-Start Function

Brown-In / Brown-Out Function

The function enables the oscillation start/stop by externally rated input voltage and makes protections at low

input voltage.

External Latch Protection (ELP)

The function enables the latch shutdown by external signal.

Built-in Avalanche Energy Guaranteed High-Voltage Power MOSFET

Various Protections

Overcurrent Protection (OCP)---------------------------------- Auto-Restart

Overload Protection (OLP) ------------------------------------- Latch Shutdown

Overvoltage Protection (OVP) --------------------------------- Latch Shutdown

External Latch Protection (ELP) ------------------------------- Latch Shutdown

Thermal Shutdown Protection (TSD) ------------------------- Latch Shutdown

STR-Z2527

STR-Z2586

STR-Z2587

STR-Z2588

STR-Z2589

Product No

DSS

MOSFET

MIN (V)

250

500

STR-Z2500 Series

DS(ON)

(Ω)

0.12

0.94

0.56

0.35

0.30

MAX

Three-Step Protections Depending on Overcurrent Status

SIP-24

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str-z2500 Summary of contents

Page 1

... Half-Bridge Resonance, High Efficiency and Low Noise ■ ■ ■ ■ General Descriptions The STR-Z2500 series products are power ICs for current resonant type switching power supplies, incorporating a controller IC including high-side and low-side MOSFETs of half-bridge type resonance and a floating-drive circuit. The product achieves high efficiency and low noise power supply systems by the ZVS and ZCS ...

Page 2

... Make sure that this is the latest version of the document before use. The operation and circuit examples in this document are provided for reference purposes only. Sanken assumes no liability for violation of industrial property, intellectual property, or other rights of Sanken or third parties, that stem from these examples. ...

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