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A8652 डेटा पत्रक PDF( Datasheet डाउनलोड )


डेटा पत्रक - Synchronous USB Buck Regulator - Allegro

भाग संख्या A8652
समारोह Synchronous USB Buck Regulator
मैन्युफैक्चरर्स Allegro 
लोगो Allegro लोगो 
पूर्व दर्शन
1 Page
		
<?=A8652?> डेटा पत्रक पीडीएफ

A8652 pdf
A8652,
A8653
Wide Input Voltage, Synchronous USB Buck Regulator
with Remote Load Regulation
FEATURES AND BENEFITS (continued)
• Pre-bias startup compatible
• Power OK (POK) output
• Dynamic overvoltage protection, pulse-by-pulse current limit,
hiccup mode short-circuit, and thermal protections
• Open-circuit and adjacent pin short-circuit tolerant
• Short-to-ground tolerant at every pin
• USB3 charging capability: 2.6 A (A8653)
• USB2 capability: 1 A (A8652)
DESCRIPTION (continued)
frequency, and a Power OK output to indicate when VOUT is within
regulation and there is no load-side current limit condition. Protection
features include VIN undervoltage lockout, pulse-by-pulse current
limit, hiccup mode short-circuit protection, dynamic overvoltage
protection, and thermal shutdown. The A8652/53 provides open-
circuited, adjacent pin short-circuit, and short-to-ground protection
at every pin to satisfy the most demanding automotive and non-
automotive applications.
The A8652/53 device is available in a 16-pin eTSSOP package with
exposed pads for enhanced thermal dissipation. It is lead (Pb) free,
with 100% matte-tin lead frame plating. The maximum junction
temperature (TJ(max)) is 150ºC.
VIN VIN
CIN
2 × 4.7 µF
GND
EN
RFSET
52.3 kΩ
SYNC/FSET
CSS
22 nF
SS
RZ
CP
CZ
COMP
FB
A8653
BOOT
SW
IADJ
CBOOT
100 nF
LO 10 µH
RIADJ
20 kΩ
CO
2 × 22 µF
RSEN
20 mΩ
VOUT
RWIRE/2
62.5 mΩ
RWIRE/2
62.5 mΩ
VLOAD
CLOAD
100 µF
ISEN+
ISEN-
GADJ
RGADJ
20 kΩ
POK
CF
(optional)
RF
(optional)
RGE
VG
5V
RPU
10 kΩ
RFB1
24.9 kΩ
RFB2
4.75 kΩ
Typical Application Diagram 2 with Dynamic Voltage Correction Control at Pin GADJ
Selection Guide
Part Number
A8652KLPTR-T
A8653KLPTR-T
Packing
4000 pieces per 13-inch reel
Package
4.4 mm × 5 mm, 1.2 mm nominal height
16-pin eTSSOP with exposed thermal pad
Allegro MicroSystems, LLC
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com
2

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डाउनलोड[ A8652 Datasheet.PDF ]


शेयर लिंक


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