ISL8033AIRZ Intersil, ISL8033AIRZ Datasheet - Page 6

• 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

Absolute Maximum Ratings
VIN1,VIN2, VDD. . . . . . . . . . . . . . . . . . . . . . -0.3V to 6.5V (DC) or 7V (20ms)
LX1, LX2 . . . . . . . . . . . . . . . . . . .-1.5V (100ns)/-0.3V (DC) to 6.5V (DC) or 7V (20ms)
EN1, EN2, PG1, PG2, SYNC, ISET . . . . . . . . . . . . . . . . . . . . . . -0.3V to +6.5V
FB1, FB2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to 2.7V
NC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to 0.3V
ESD Ratings
Latch Up (Tested per JESD-78A; Class 2, Level A) . . . . . . . . . . . . . . 100mA
CAUTION: Do not operate at or near the maximum ratings listed for extended periods of time. Exposure to such conditions may adversely impact product
reliability and result in failures not covered by warranty.
NOTES:
Electrical Specifications
T
Boldface limits apply over the operating temperature range, -40°C to +85°C.
INPUT SUPPLY
VIN Undervoltage Lockout Threshold
Quiescent Supply Current
Shutdown Supply Current
OUTPUT REGULATION
FB1, FB2 Regulation Voltage
FB1, FB2 Bias Current
Load Regulation
Line Regulation
Soft-Start Ramp Time Cycle
COMPENSATION
Error Amplifier Trans-Conductance
Trans-Resistance
OVERCURRENT PROTECTION
Dynamic Current Limit ON-time
Dynamic Current Limit OFF-time
A
4. θ
5. For θ
Human Body Model (Tested per JESD22-A114) . . . . . . . . . . . . . . . . . 4kV
Charged Device Model (Tested per JESD22-C101E). . . . . . . . . . . . . . 2kV
Machine Model (Tested per JESD22-A115). . . . . . . . . . . . . . . . . . . .0.3kV
= -40°C to +85°C, V
Brief TB379.
JA
is measured in free air with the component mounted on a high effective thermal conductivity test board with “direct attach” features. See Tech
JC
, the “case temp” location is the center of the exposed metal pad on the package underside.
PARAMETER
IN
= 3.6V, EN1 = EN2 = VDD, L = 1.5µH, C1 = C2 = C4 = 2x22µF, I
6
Unless otherwise noted, the typical specifications are measured at the following conditions:
(Reference to SGND)
SYMBOL
t
t
V
OCOFF
I
OCON
V
UVLO
VDD
I
I
RT
SD
FB
FB
ISL8033, ISL8033A
Rising
Hysteresis
SYNC = VDD, EN1 = EN2 = VDD,
F
SYNC = VDD, EN1 = EN2 = VDD,
F
VDD = 6V, EN1 = EN2 = SGND
VFB = 0.75V
SYNC = VDD, output load from 0A to 3A
VIN = VO + 0.5V to 6V (minimal 2.85V)
S
S
= 1MHz, no load at the output
= 2.5MHz, no load at the output
TEST CONDITIONS
Thermal Information
Thermal Resistance (Typical)
Junction Temperature Range . . . . . . . . . . . . . . . . . . . . . . .-55°C to +150°C
Storage Temperature Range. . . . . . . . . . . . . . . . . . . . . . . .-65°C to +150°C
Ambient Temperature Range . . . . . . . . . . . . . . . . . . . . . . . . -40°C to +85°C
Pb-Free Reflow Profile . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . see link below
Recommended Operating Conditions
VIN Supply Voltage Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.85V to 6V
Load Current Range per Channel . . . . . . . . . . . . . . . . . . . . . . . . . . . 0A to 3A
Junction Temperature Range . . . . . . . . . . . . . . . . . . . . . . .-55°C to +125°C
http://www.intersil.com/pbfree/Pb-FreeReflow.asp
4x4 QFN Package (Notes 4, 5) . . . . . . . .
OUT1
= I
OUT2
= 0A to 3A. Typical values are at T
(Note 7)
0.790
0.18
MIN
50
100
TYP
1.5
2.5
0.8
0.1
0.1
0.2
15
30
20
17
8
2
8
θ
JA
(Note 7)
(°C/W)
0.810
MAX
2.85
0.22
36
40
70
20
A
March 24, 2011
= +25°C.
Clock pulses
θ
JC
SS cycle
UNITS
mV/A
µA/V
(°C/W)
%/V
mA
mA
mV
ms
µA
µA
FN6854.2
Ω
V
V
2