LT1573CS8 datasheet(13/16 Pages) LINER

номер детали	LT1573CS8

подробное описание детали	Low Dropout PNP Regulator Driver

PDF	16 Pages

Scroll/Zoom	100%

производитель	LINER [Linear Technology]

домашняя страница	http://www.linear.com

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13 / 16 page

LT1573

equals the resistance of RB1, RB2, ..., and RBn in parallel,

and the resistance RD equals the resistance of RD1, RD2, ...,

and RDn in parallel.

Voltage Feedback Resistor Divider Table

Voltage feedback resistor divider is provided for conve-

nience for the most possibly used output voltages in

Table 4.

Table 4. LT1573 Output Feedback Divider Resistance

OUTPUT

R1 (

Ω)

VOLTAGE (V)

R2 (

Ω)

(NEAREST 1%)

1.5

187

1.8

422

2.0

576

2.2

732

2.5

976

2.8

1210

3.0

1370

3.3

1620

3.5

1780

3.8

2000

4.0

2150

4.5

2550

5.0

2940

COMP

VOUT

LATCH

LT1573

CTIME

0.5

µF

COUT2

COUT1

100pF

VIN

1/8W

Ω

1/2W

VOUT

3.3V

GND

1573 TA01

Ω

1/8W

1.6k

1/8W

LOAD

QOUT

MOTOROLA

D45H11

COUT1 = 24 × 1µF SURFACE MOUNT CERAMIC CAPACITOR

(FOR T < 45

°C, COUT1 = 24 × 1µF Y5V CERAMIC SURFACE MOUNT CAPACITORS,

FOR T > 45

°C, COUT1 = 24 × 1µF X7R CERAMIC SURFACE MOUNT CAPACITORS)

PLACE COUT1 IN THE MICROPROCESSOR SOCKET CAVITY

CIN, COUT2 = 220µF SURFACE MOUNT TANTALUM CAPACITOR

CTIME = 0.5µF FOR 100ms TIME OUT AT ROOM TEMPERATURE

SHDN (ACTIVE HIGH) PIN SHOULD BE TIED TO GROUND IF IT IS NOT USED

CIN

VIN

DRIVE

SHDN

GND

3.3V/5A Microprocessor Supply

APPLICATIO S I FOR ATIO

TYPICAL APPLICATIO S

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