isl8036 Intersil Corporation, isl8036 Datasheet - Page 8

• Manufacturer Part Number: isl8036
• Description: Dual 3a 1mhz/2.5mhz 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, SS . . . . . . . . . . -0.3V to +6.5V
FB1, FB2, COMP . . . . . . . . . . . . . . . . . . . . . . -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
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
Soft-start Charging Current
COMPENSATION
Error Amplifier Trans-Conductance
Trans-resistance
Trans-resistance Matching
OVERCURRENT PROTECTION
Dynamic Current limit ON-time
Dynamic Current Limit OFF-time
Positive Peak Overcurrent Limit
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) . . . . . . . . 300V
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
, “case temperature” location is at the center of the exposed metal pad on the package underside.
PARAMETER
8
Unless otherwise noted, the typical specifications are measured at the following conditions:
T
I
limits apply over the operating temperature range, -40°C to +85°C.
OUT1
A
RT_match
= -40°C to +85°C, V
SYMBOL
t
V
t
(Reference to SGND)
OCOFF
I
I
I
OCON
UVLO
V
I
I
poc1
poc2
VDD
I
= I
RT
SD
SS
FB
FB
OUT2
ISL8036, ISL8036A
Rising
Hysteresis
SYNC = VDD, EN1 = EN2 = VDD,
F
F
V
VFB = 0.75V
SYNC = VDD, output load from 0A to 6A
V
SS with Capacitor
SS = VDD
SS = VDD
= 0A to 3A, unless otherwise noted. Typical values are at T
S
S
IN
DD
= 1MHz, no load at the output
= 2.5MHz, no load at the output
= V
= 6V, EN1 = EN2 = SGND
O
IN
TEST CONDITIONS
+ 0.5V to 6V (minimal 2.85V)
= 3.6V, EN1 = EN2 = VDD, L = 1.5µH, C1 = C2 = C4 = 2x22µF,
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
Ambient Temperature Range . . . . . . . . . . . -40°C to +85°C
http://www.intersil.com/pbfree/Pb-FreeReflow.asp
24 Ld 4x4 QFN (Notes 4, 5) . . . .
(Note 6) TYP
0.790
0.180
-0.03
MIN
4.1
4.1
50
4
100
100
2.5
0.8
0.1
0.1
0.2
4.8
4.8
1.5
15
30
20
17
8
2
5
8
A
θ
= +25°C. Boldface
(Note 6)
JA
+0.03
0.810
0.220
MAX
2.85
(°C/W) θ
5.5
5.5
40
70
20
6
36
October 18, 2010
Clock pulses
JC
SS cycle
UNITS
mV/A
µA/V
µA/V
%/V
(°C/W)
mV
mA
mA
ms
µA
µA
µA
FN6853.1
V
V
Ω
Ω
A
A
2