 English |
|
|
|
|
|
|
|
| ISL78235R5668 Datasheet, PDF (10/20 Pages) Intersil Corporation – Automotive 5A Synchronous Buck Regulator | |||
| |||
| ◁ |
ISL78235R5668
Typical Operating Performance Unless otherwise noted, operating conditions are: TA = +25°C, VIN = VDD = 3V,
VOUT = 1.0V, EN = VDD, SYNC = VDD, L = 0.33µH, fSW = 2MHz, CIN = 4 x 22µF, COUT = 4 x 47µF, IOUT = 0A to 8A. (Continued)
PHASE 5V/DIV
PHASE 5V/DIV
VOUT 1V/DIV
VIN 2V/DIV
SS = GND
COUT = 4 x 22µF
VOUT 1V/DIV
VIN 2V/DIV
SS = GND
COUT = 4 x 22µF
PG 5V/DIV
500µs/DIV
FIGURE 16. VIN START-UP AT NO LOAD (SYNC = GND)
PG 5V/DIV
500µs/DIV
FIGURE 17. VIN START-UP AT NO LOAD (SYNC = VDD)
PHASE 5V/DIV
VOUT 1V/DIV
EN 2V/DIV
SS = GND
COUT = 4 x 22µF
PG 5V/DIV
1ms/DIV
FIGURE 18. EN SHUTDOWN AT NO LOAD (SYNC = GND)
PHASE 5V/DIV
VOUT 1V/DIV
EN 2V/DIV
SS = GND
COUT = 4 x 22µF
PG 5V/DIV
1ms/DIV
FIGURE 19. EN SHUTDOWN AT NO LOAD (SYNC = VDD)
PHASE 5V/DIV
VOUT 1V/DIV
VIN 2V/DIV
SS = GND
COUT = 4 x 22µF
PG 2V/DIV
2ms/DIV
FIGURE 20. VIN SHUTDOWN AT NO LOAD (SYNC = GND)
Submit Document Feedback 10
PHASE 5V/DIV
VOUT 1V/DIV
VIN 2V/DIV
SS = GND
COUT = 4 x 22µF
PG 2V/DIV
2ms/DIV
FIGURE 21. VIN SHUTDOWN AT NO LOAD (SYNC = VDD)
FN8769.1
January 21, 2016
|
▷ |
German
Russian
Spanish
Italian
Polish
Chinese
Japanese
Korean
French
Portuguese