SPX2954AM3-3.3(2003) Просмотр технического описания (PDF) - Signal Processing Technologies

Номер в каталоге

Компоненты Описание

производитель

SPX2954AM3-3.3
(Rev.:2003)

250mA Low Dropout Voltage Regulator

Signal Processing Technologies 

APPLICATIONS HINTS

+ 6V

SEALED

LEAD-

120kΩ

1.5kΩ

ACID

BATTERY

SOURCE FB

SPX385

1N457

FOR 5.5 V

400kΩ

100kΩ

Figure 4. Low Battery Disconnect

3

SD

8

+V IN

1

V OUT

SPX2954

SENSE

2

GND

4

MAIN V+

+

1µF

MEMORY V+

20kΩ

NI-CAD

BACKUP

BATTERY

39kΩ

-

C4

+

RESET

8

5 __+_V__IN_

ERROR

2

SENS E

1

VOUT

SPX2954

3

SD

7

FB

39kΩ

GND

TAP

4

6

+VOUT = 5V

+

1uF

1% 100kΩ

-

C1

+

6V

LEAD-

1kΩ

ACID

1%

BATTERY

-

C2

+

100kΩ

100kΩ

<5.8V**

1% 1kΩ

-

100kΩ

C3

+

<6.0V**

10kΩ

R3

1% 20kΩ

<6.2V**

* OPTIONAL LATCH OFF WHEN DRO POUT OCCURS. ADJUST R3 FOR C2 SWITCHING WHEN

VIN IS 6.0V

* OUTPUTS GO LOW WHEN V IN DRO PS BELOW DESGNATED THRESHHOLDS

Figure 5. Regulator with State of Charge Indicator

Rev. 3/6/03

SP2954 250mA Low Dropout Voltage Regulator

10

© Copyright 2003 Sipex Corporation

Share Link: