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A8499 डेटा पत्रक PDF( Datasheet डाउनलोड )


डेटा पत्रक - High Voltage Step-Down Regulator - Allegro MicroSystems

भाग संख्या A8499
समारोह High Voltage Step-Down Regulator
मैन्युफैक्चरर्स Allegro MicroSystems 
लोगो Allegro MicroSystems लोगो 
पूर्व दर्शन
1 Page
		
<?=A8499?> डेटा पत्रक पीडीएफ

A8499 pdf
A8499
Functional Block Diagram
High Voltage Step-Down Regulator
BOOT
VIN
µC ENB
TSET
GND
UVLO
TSD
Boot Charge
Switch
Disable
Switch PWM
+
I_Peak
Clamp
I_Demand
COMP
Soft Start
Ramp Generation
VIN
LX
L1
D1
VOUT
ESR
COUT
FB
Bias Supply
VBIAS
VBIAS is connected to VOUT
when VOUT target is between
3.3 and 5 V
1.2 V
Absolute Maximum Ratings
Supply Voltage, VIN ......................................................................... 50 V
VBIAS Input Voltage, VBIAS .................................................–0.3 to 7 V
Switch Voltage, VLX......................................................................... –1 V
ENB Input Voltage, VENB ......................................................–0.3 to 7 V
Junction Temperature, TJ(max) ....................................................... 150°C
Storage Temperature, TS ............................................... –55°C to 150°C
Operating Ambient Temperature, TA............................... –20°C to 85°C
Ordering Information
Use the following complete part numbers when ordering:
Part Numbera
Packingb
A8499SLJTR-T
13 in. reel, 3000 pieces/reel
A8499SLJ-T
98 pieces/tube
aLeadframe plating 100% matte tin.
bContact Allegro for additional packing options.
Package Thermal Characteristics*
Package
RθJA
(°C/W)
PCB
LJ 35
4-layer
* Additional information is available on the Allegro Web site
Description
LJ package, SOIC surface mount with
exposed thermal pad
Allegro MicroSystems, Inc.
2
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 (508) 853-5000
www.allegromicro.com

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डाउनलोड[ A8499 Datasheet.PDF ]


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