ISL8033AIRZ Intersil, ISL8033AIRZ Datasheet - Page 13

• 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 ISL8033A
Unless otherwise noted, operating conditions are:
1.8V, I
FIGURE 32. EFFICIENCY vs LOAD, 1MHz 3.3V
FIGURE 34. STEADY STATE OPERATION AT NO LOAD CHANNEL 1
FIGURE 36. STEADY STATE OPERATION WITH FULL LOAD
OUT1
100
90
80
70
60
50
40
0.0
= I
OUT2
CHANNEL 1
1.2V
= 0A to 3A.
0.5
OUT
1.0
OUTPUT LOAD (A)
1.5V
13
OUT
1.5
V
OUT1
V
OUT1
2.5V
1.8V
2.0
RIPPLE 20mV/DIV
RIPPLE 20mV/DIV
IL1 0.2A/DIV
IN
T
A
OUT
OUT
LX1 2V/DIV
DUAL CH1 +25°C
IL1 0.2A/DIV
= +25°C, V
ISL8033, ISL8033A
LX1 2V/DIV
2.5
IN
3.0
= 5V, EN = V
IN
, L1 = 0.68µH, L2 = 1
FIGURE 33. EFFICIENCY vs LOAD, 1MHz 5V
FIGURE 35. STEADY STATE OPERATION AT NO LOAD CHANNEL 2
FIGURE 37. STEADY STATE OPERATION WITH FULL LOAD
100
90
80
70
60
50
40
0.0
CHANNEL 2
0.5
1.2V
OUT
µ
H, C1 = C2 = C4 = 2x22µF, V
1.0
OUTPUT LOAD (A)
1.5V
2.5V
OUT
1.5
OUT
V
OUT2
1.8V
V
2.0
OUT2
OUT
RIPPLE 20mV/DIV
IN
IL2 0.2A/DIV
, DUAL CH1 +25°C
RIPPLE 20mV/DIV
OUT1
LX2 2V/DIV
IL2 0.2A/DIV
2.5
3.3V
LX2 2V/DIV
= 1.2V, V
March 24, 2011
OUT
FN6854.2
3.0
OUT2
=