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ISL6219A_07 Datasheet(数据表) 6 Page - Intersil Corporation

部件型号  ISL6219A
说明  Microprocessor CORE Voltage Regulator Precision Multi-Phase BUCK PWM Controller for Mobile Applications
下载  17 Pages
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制造商  INTERSIL [Intersil Corporation]
网页  http://www.intersil.com/cda/home
标志 INTERSIL - Intersil Corporation

ISL6219A Datasheet(HTML) 6 Page - Intersil Corporation

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6
FN9093.1
March 20, 2007
NOTES:
2. These parts are designed and adjusted for accuracy within the system tolerance given in the Electrical Specifications. The system tolerance
accounts for offsets in the differential and error amplifiers; reference-voltage inaccuracies; temperature drift; and the full DAC adjustment range.
3. VID input levels above 2.9V may produce an reference-voltage offset inaccuracy. Use a current limit resistor when pull up to 5V.
PROTECTION and MONITOR
Overvoltage Threshold
VSEN Rising
112
115
12
%VDAC
VSEN Falling
-
VID
-
%VDAC
Undervoltage Threshold
VSEN Rising
85
92
95
%VDAC
VSEN Falling
80
83
90
%VDAC
Electrical Specifications
Operating Conditions: VCC = 5V, TA = -10°C to +85°C, Unless Otherwise Specified (Continued)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNITS
RISEN1
ERROR
AMPLIFIER
FB
ISEN1
VOUT
PWM1
+
-
FIGURE 1. SIMPLIFIED BLOCK DIAGRAM OF THE ISL6219A
IOUT
μP
LOAD
CO
VSEN
DAC
&
REFERENCE
COMP
VIN
RISEN2
ISEN2
PWM2
RISEN3
ISEN3
PWM3
VIN
VIN
L1
L2
L3
+
PWM
CIRCUIT
CURRENT
SENSE
AVERAGE
+
+
-
-
-
+
-
-
+
+
-
CURRENT
SENSE
CURRENT
SENSE
PWM
CIRCUIT
PWM
CIRCUIT
RFB
RC
CC
ISL6219A
ISL6219A




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