LH1525 Просмотр технического описания (PDF) - Siemens AG

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LH1525

Dual 1 Form A High-Voltage Solid State Relays

Siemens AG 

LH1547

1 Form A

dc High-Voltage Solid State Relay

FEATURES

Load Voltage

Load Current

Typical RON

LH1547

400

120

23

Units

V

mA

W

• 3750 Vrms I/O isolation

• Current-limit protection

• Linear dc operation

• High-surge capability

• Clean, bounce-free switching

• Low power consumption

• High-reliability monolithic receptor

• Surface-mountable

APPLICATIONS

• General telecom switching

• Programmable controllers

• Industrial controls

• Instrumentation

• Peripherals

DESCRIPTION

The LH1547 is a SPST normally open unidirectional relay that can

switch ac and dc signals. The relay is constructed using a GaAIAs

LED for actuation control and an integrated monolithic die for the

switch output. The die, fabricated in a high-voltage dielectrically

isolated BICMOS technology, is comprised of a photodiode array,

switch control circuitry, and a DMOS switch.

The LH1547 relay is packaged in a 6-pin DIP (LH1547AT1) or in a

surface-mount gull wing (LH1547AAB1).

Figure 1. Functional Diagram (LH1547)

S

NC S'

6

5

4

S

S

S'

Control

1

2

3 LH1547AT1

Siemens Microelectronics, Inc. • Optoelectronics Division

www.smi.siemens.com/opto/

20 of 25

October 1998

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