ISL8033AIRZ Intersil, ISL8033AIRZ Datasheet - Page 11

• Manufacturer Part Number: ISL8033AIRZ
• Description: IC REG SYNC BUCK DUAL 3A 24QFN
• Manufacturer: Intersil
• Type: Step-Down (Buck), PWM - Current Moder

Specifications of ISL8033AIRZ

• Internal Switch(s): Yes
• Synchronous Rectifier: Yes
• Number Of Outputs: 2
• Voltage - Output: 0.8 V ~ 6 V
• Current - Output: 3A
• Frequency - Switching: 2.5MHz
• Voltage - Input: 2.85 V ~ 6 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: *
• Package / Case: *
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Typical Operating Performance ISL8033
Unless otherwise noted, operating conditions are:
I
OUT1
FIGURE 25. CHANNEL 2 STEADY STATE OPERATION AT NO LOAD
= I
FIGURE 23. SOFT-DISCHARGE SHUTDOWN CHANNEL 2
OUT2
FIGURE 21. SOFT-START AT FULL LOAD CHANNEL 2
= 0A to 3A. (Continued)
WITH FREQUENCY = 6MHz
V
OUT2
SYNCH 5V/DIV
RIPPLE 20mV/DIV
LX2 2V/DIV
11
IL2 0.2A/DIV
T
V
V
A
IL2 0.5A/DIV
OUT2
OUT2
= +25°C, V
IL2 1A/DIV
EN2 2V/DIV
EN2 2V/DIV
ISL8033, ISL8033A
PG 2V/DIV
PG 5V/DIV
1V/DIV
1V/DIV
IN
= 5V, EN = V
IN
, L1 = L2 = 1.5
FIGURE 24. CHANNEL 1 STEADY STATE OPERATION AT NO LOAD
FIGURE 26. CHANNEL 1 STEADY STATE OPERATION AT FULL LOAD
FIGURE 22. SOFT-DISCHARGE SHUTDOWN CHANNEL 1
WITH FREQUENCY = 6MHz
WITH FREQUENCY = 6MHz
µ
H, C1 = C2 = C4 = 2x22µF, V
V
V
OUT1
OUT1
SYNCH 5V/DIV
SYNCH 5V/DIV
IL1 0.2A/DIV
IL1 2A/DIV
RIPPLE 20mV/DIV
LX1 2V/DIV
LX1 2V/DIV
RIPPLE 20mV/DIV
OUT1
V
OUT1
= 1.2V, V
IL1 0.5A/DIV
EN1 2V/DIV
PG 5V/DIV
0.5V/DIV
March 24, 2011
OUT2
FN6854.2
= 1.8V,