ISL8033AIRZ Intersil, ISL8033AIRZ Datasheet - Page 9

• 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 11. STEADY STATE OPERATION AT NO LOAD CHANNEL 1
FIGURE 13. STEADY STATE OPERATION WITH FULL LOAD
2.490
2.485
2.480
2.475
2.470
2.465
2.460
= I
FIGURE 9. LOAD REGULATION, V
0.0
OUT2
= 0A to 3A. (Continued)
(PWM)
CHANNEL 1
0.5
V
V
OUT1
OUT1
5V
IL1 0.5A/DIV
1.0
RIPPLE 20mV/DIV
RIPPLE 20mV/DIV
IL1 2A/DIV
LX1 2V/DIV
LX1 2V/DIV
IN
I
9
OUT
1.5
(A)
OUT
= 2.5V T
2.0
3.3V
T
A
IN
= +25°C, V
A
ISL8033, ISL8033A
2.5
= +25°C
IN
3.0
= 5V, EN = V
IN
, L1 = L2 = 1.5
FIGURE 12. STEADY STATE OPERATION AT NO LOAD CHANNEL 2
FIGURE 14. STEADY STATE OPERATION WITH FULL LOAD
3.270
3.265
3.260
3.255
3.250
3.245
3.240
FIGURE 10. LOAD REGULATION, V
0.0
(PWM)
CHANNEL 2
µ
H, C1 = C2 = C4 = 2x22µF, V
V
V
0.5
VOUT1 RIPPLE 20mV/Div
OUT2
OUT2
.
LX1 2V/Div
IL2 0.5A/DIV
RIPPLE 20mV/DIV
RIPPLE 20mV/DIV
5V
IL1 2A/Div
IL2 2A/DIV
LX2 2V/DIV
LX2 2V/DIV
1.0
IN
I
OUT
1.5
(A)
OUT
OUT1
= 3.3V T
2.0
= 1.2V, V
A
2.5
= +25°C
March 24, 2011
OUT2
FN6854.2
= 1.8V,
3.0