ISL8088(2009) 查看數據表（PDF） - Intersil

零件编号

产品描述 (功能)

比赛名单

ISL8088
(Rev.:2009)

Dual 800mA Low Quiescent Current 2.25MHz High Efficiency Synchronous Buck Regulator

Intersil 

ISL8088

Typical Operating Performance

500ns/DIV

LX1 2V/DIV

(Unless otherwise noted) operating conditions are:

TA = +25°C, VIN = 2.75V to 5.5V, EN = VIN, L1 = L2 = 2.2µH,

C1 = 10µF, C2 = C4 = 10µF, VOUT1 = 2.5V, VOUT2 = 1.8V,

IOUT1 = IOUT2 = 0A to 800mA. (Continued)

500ns/DIV

LX2 2V/DIV

VOUT1 RIPPLE 20mV/DIV

IL1 0.5A/DIV

FIGURE 13. STEADY STATE OPERATION AT NO LOAD

CHANNEL 1 (PWM)

VOUT2 RIPPLE 20mV/DIV

IL2 0.5A/DIV

FIGURE 14. STEADY STATE OPERATION AT NO LOAD

CHANNEL 2 (PWM)

500ns/DIV

LX1 2V/DIV

500ns/DIV

LX2 2V/DIV

VOUT1 RIPPLE 20mV/DIV

IL1 0.5A/DIV

FIGURE 15. STEADY STATE OPERATION AT NO LOAD

CHANNEL 1 (PFM)

VOUT2 RIPPLE 20mV/DIV

IL2 0.5A/DIV

FIGURE 16. STEADY STATE OPERATION AT NO LOAD

CHANNEL 2 (PFM)

LX1 2V/DIV

VOUT1 RIPPLE 20mV/DIV

500ns/DIV

IL1 0.5A/DIV

FIGURE 17. STEADY STATE OPERATION WITH FULL

LOAD CHANNEL 1

LX2 2V/DIV

VOUT2 RIPPLE 20mV/DIV

500ns/DIV

IL2 0.5A/DIV

FIGURE 18. STEADY STATE OPERATION WITH FULL

LOAD CHANNEL 2

8

FN6858.0

September 21, 2009

Share Link: