LT1511ISW Ver la hoja de datos (PDF) - Linear Technology

Número de pieza

componentes Descripción

Lista de partido

LT1511ISW

Constant-Current/Constant-Voltage 3A Battery Charger with Input Current Limiting

Linear Technology 

BLOCK DIAGRAM

LT1511

–

UV

+

+

6.7V

+

0.7V

+

–

VSW

–

VCC

+

+

1.5V

VBAT

PWM

C1

GND

VC

75k

UVOUT

SHUTDOWN

200kHz

OSCILLATOR

S

VCC

BOOST

SLOPE COMPENSATION

B1

R2

R3

R

R

QSW

R

SW

VCC

SPIN

SENSE RS3

CA1

BAT

RS2

R1

IPROG

1k

CA2

VREF

0VP

VA

gm = 0.64Ω

VREF

2.465V

100mV

CLP

CL1

CLN

PROG

CPROG

IPROG

RPROG

IBAT

=

(IPROG)(RS2)

RS1

( )( ) =

2.465V

RPROG

RS2

RS1

(RS3 = RS2)

COMP1

COMP2

1511 BD

IBAT

RS1

BAT

7

Share Link: