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ISL9305IRTHBFNCZ-T Datasheet(PDF) 5 Page - Intersil Corporation

Part # ISL9305IRTHBFNCZ-T
Description  3MHz Dual 1.5A Step-Down Converters and Dual Low-Input LDOs with I2C Compatible Interface
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Manufacturer  INTERSIL [Intersil Corporation]
Direct Link  http://www.intersil.com/cda/home
Logo INTERSIL - Intersil Corporation

ISL9305IRTHBFNCZ-T Datasheet(HTML) 5 Page - Intersil Corporation

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ISL9305H
5
FN7724.1
October 5, 2011
Absolute Maximum Ratings (Refer to ground)
Thermal Information
SW1, SW2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -1.5V to 6.5V
FB1, FB2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to 3.6V
GNDDCD1, GNDDCD2, GNDLDO. . . . . . . . . . . . . . . . . . . . . . . . -0.3V to 0.3V
All other pins . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to 6.5V
ESD Ratings
Human Body Model (Tested per JESD22-A114F) . . . . . . . . . . . . . . .3.5kV
Machine Model (Tested per JESD22-A115-A) . . . . . . . . . . . . . . . . . 2.2kV
Charged Device Model (Tested per JESD22-C101D) . . . . . . . . . . . 225V
Latch Up (Tested per JESD78B, Class II, Level A) . . . . . . . . . . . . . . . 100mA
Thermal Resistance (Typical)
θJA (°C/W) θJC (°C/W)
16 Ld TQFN Package (Notes 4, 5) . . . . . . .
40.2
5
Maximum Junction Temperature Range . . . . . . . . . . . . . .-40°C to +150°C
Recommended Junction Temperature Range . . . . . . . . .-40°C to +125°C
Storage Temperature Range. . . . . . . . . . . . . . . . . . . . . . . .-40°C to +150°C
Pb-free reflow profile . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . see link below
http://www.intersil.com/pbfree/Pb-FreeReflow.asp
Recommended Operating Conditions
VINDCD1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.5V to 5.5V
VINDCD2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.5V to VINDCD1
VINLDO1 and VINLDO2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.5V to VINDCD1
DCD1 and DCD2 Output Current . . . . . . . . . . . . . . . . . . . . . . . . . 0A to 1.5A
LDO1 and LDO2 Output Current . . . . . . . . . . . . . . . . . . . . . . 0mA to 300mA
Operating Ambient Temperature . . . . . . . . . . . . . . . . . . . . . -40°C to +85°C
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:
4.
θJA is measured in free air with the component mounted on a high effective thermal conductivity test board with “direct attach” features. See Tech
Brief TB379.
5.
θJC, “case temperature” location is at the center of the exposed metal pad on the package underside.
Electrical Specifications Unless otherwise noted, all parameter limits are guaranteed over the recommended operating conditions
and the typical specifications are measured at the following conditions: TA = +25°C, VINDCD1 = 3.6V, VINDCD2 = 3.3V. For LDO1 and LDO2,
VINLDOx = VOLDOx + 0.5V to 5.5V with VINLDOx always no higher than VINDCD1, L1 = L2 = 1.5µH, C1 = 10µF, C4 = C5 = 10µF, C2 = C3 = C6 = C7 =
1µF, IOUT = 0A for DCD1, DCD2, LDO1 and LDO2 (see “TYPICAL APPLICATION DIAGRAM” on page 1 for more details). Boldface limits apply over the
operating temperature range, -40°C to +85°C.
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
(Note 6)
TYP
MAX
(Note 6)
UNIT
VINDCD1, VINDCD2 Voltage Range
2.5
-
5.5
V
VINDCD1, VINDCD2 Undervoltage
Lockout Threshold
VUVLO
Rising
-
2.2
2.3
V
Falling
1.9
2.1
-
V
Quiescent Supply Current on VINDCD1
IVIN1
Only DCD1 enabled, no load and no switching on DCD1
-
40
60
µA
IVIN2
Only DCD1 and LDO1 enabled, with no load and no
switching on DCD1
-60
95
µA
IVIN3
Both DCD1 and DCD2 enabled, no load and no switching
on both DCD1 and DCD2
-50
75
µA
IVIN4
Only LDO1 and LDO2 enabled
-
75
100
µA
IVIN5
DCD1, DCD2, LDO1 and LDO2 are enabled, with no load
and no switching on both DCD1 and DCD2
-100
130
µA
IVIN6
Only one DCD in forced PWM mode, no load
-
4
7.5
mA
Shutdown Supply Current
ISD
VINDCD1 = 5.5V, DCD1, DCD2, LDO1 and LDO2 are
disabled through I2C interface, VINDCD1 = 4.2V
-0.15
5
µA
Thermal Shutdown
-
155
-
°C
Thermal Shutdown Hysteresis
-30-
°C
DCD1 AND DCD2
FB1, FB2 Regulation Voltage
VFB
0.785
0.8
0.815
V
FB1, FB2 Bias Current
IFB
FB = 0.75V
-
0.001
-
µA
Output Voltage Accuracy
VIN = VO + 0.5V to 5.5V (minimal 2.5V), 1mA load
-3
-
+3
%


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