isl8033 Intersil Corporation, isl8033 Datasheet - Page 6

• Manufacturer Part Number: isl8033
• Description: Dual 3a Low Quiescent Current High Efficiency Synchronous Buck Regulator
• Manufacturer: Intersil Corporation

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
values are at T
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
Positive Peak Overcurrent Limit
4. θ
5. For θ
A
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
features. See Tech Brief TB379.
JA
is measured in free air with the component mounted on a high effective thermal conductivity test board with “direct attach”
JC
, the “case temp” location is the center of the exposed metal pad on the package underside.
PARAMETER
A
= +25°C. Boldface limits apply over the operating temperature range, -40°C to +85°C.
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
V
t
OCOFF
I
I
I
I
I
I
I
OCON
UVLO
I
V
poc1
poc2
poc1
poc2
poc1
poc2
VDD
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)
ISET = VDD
ISET = Float
ISET = GND
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) . . .
(Note 7) TYP
0.790
OUT1
0.18
MIN
4.1
4.1
4.1
2.7
2.7
2.7
50
= I
100
2.5
0.8
0.1
0.1
1.5
0.2
4.8
4.8
4.8
3.3
3.3
3.3
OUT2
15
30
20
17
8
2
8
θ
JA
(Note 7)
= 0A to 3A. Typical
0.810
(°C/W) θ
MAX
2.85
0.22
5.5
5.5
5.5
3.9
3.9
3.9
36
40
70
20
October 21, 2010
Clock pulses
JC
SS cycle
UNITS
mV/A
µA/V
%/V
(°C/W)
mV
mA
mA
ms
µA
µA
FN6854.1
Ω
V
V
A
A
A
A
A
A
2