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ISL6273 Datasheet(PDF) 3 Page - Intersil Corporation

Part No. ISL6273
Description  1.2A Low Quiescent Current 1.5MHz High Efficiency Synchronous Buck Regulator
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Maker  INTERSIL [Intersil Corporation]
Homepage  http://www.intersil.com/cda/home
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ISL6273 Datasheet(HTML) 3 Page - Intersil Corporation

 
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3
FN9256.0
March 7, 2006
POR
Output Low Voltage
Sinking 1mA, FB = 0.7V
-
-
0.3
V
Delay Time
150
200
275
ms
POR Pin Leakage Current
POR = VCC = 3.6V
-
0.01
0.1
µA
Minimum Supply Voltage for Valid POR Signal
1.2
-
-
V
Internal PGOOD Low Rising Threshold
Percentage of Nominal Regulation Voltage
89.5
92
94.5
%
Internal PGOOD Low Falling Threshold
Percentage of Nominal Regulation Voltage
85
88
91
%
Internal PGOOD High Rising Threshold
Percentage of Nominal Regulation Voltage
105.5
108
110.5
%
Internal PGOOD High Falling Threshold
Percentage of Nominal Regulation Voltage
102
105
108
%
Internal PGOOD Delay Time
-50
-
µs
EN, MODE, RSI
Logic Input Low
--
0.4
V
Logic Input High
1.4
-
-
V
Logic Input Leakage Current
Pulled up to 5.5V
-
0.1
1
µA
Thermal Shutdown
-
150
-
°C
Thermal Shutdown Hysteresis
-25
-
°C
Electrical Specifications
Unless otherwise noted, all parameter limits are guaranteed over the recommended operating conditions and
the typical specification are measured at the following conditions: TA = 25°C, VPVIN = VVCC = 3.6V, EN = VCC,
RSI = 0V, MODE = VCC, L = 1.8
µH, C1 = 10µF, C2 = 10µF, IOUT = 0A (see the Typical Application Circuit).
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNITS
ISL6273


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