LT8580 Ver la hoja de datos (PDF) - Linear Technology

Número de pieza

componentes Descripción

Fabricante

LT8580

Boost/SEPIC/Inverting DC/DC Converter with 1A, 65V Switch, Soft-Start and Synchronization

Linear Technology 

Applications Information

LT8580

ISTEP

100mA/DIV

VOUT

500mV/DIV

AC-COUPLED

IL1

200mA/DIV

100µs/DIV

8580 F03a

(3a) Transient Response Shows Excessive Ringing

ISTEP

100mA/DIV

VOUT

500mV/DIV

AC-COUPLED

IL1

200mA/DIV

100µs/DIV

8580 F03b

(3b) Transient Response Is Better

ISTEP

100mA/DIV

VOUT

500mV/DIV

AC-COUPLED

IL1

200mA/DIV

100µs/DIV

8580 F03c

(3c) Transient Response Is Well Damped

Figure 3. Transient Response

L1

15µH

D1

VIN

5V

10k

VOUT

12V

200mA

CIN

2.2µF

VIN

SW

SHDN

FBX

LT8580

RFBX

130k

SYNC

VC

RT GND SS

RC

6.04k

RT

56.2k

CSS

0.22µF

CC

3.3nF

COUT

4.7µF

CF

47pF

8580 F04

Figure 4. 1.5MHz, 5V to 12V Boost Converter

For more information www.linear.com/LT8580

8580f

13

Share Link: