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IR3859MTRPBF
Highly Efficient Integrated 9A Sync Buck Regulator
Applications Computing Peripheral Voltage Regulators General DC-DC Converters Embedded Telecom SystemsFig. 1. Typical application diagram1Rev 5.0Downloaded from: http://www.ic-phoenix.com/stock/ PD-97514 IR3859MPbFABSOLUTE MAXIMUM RATINGS(Voltages referenced to GND unless otherwise specified) Vin ……………………………………………………. -0.3V to 25V Vcc ……………….….…………….……..……….…… -0.3V to 8V (Note2) Boot ……………………………………..……….…. -0.3V to 33V SW …………………………………………..……… -0.3V to 25V(DC), -4V to 25V(AC, 100ns) Boot to SW ……..…………………………….…..….. -0.3V to Vcc+0.3V (Note1) OCSet ………………………………………….……. -0.3V to 30V (Max 30mA) Input / output Pins ……………………………….. ... -0.3V to Vcc+0.3V (Note1) PGND to GND ……………...………………………….. -0.3V to +0.3V Storage Temperature Range ........ -55°C To 150°C Junction Temperature Range ........ -40°C To 150°C (Note2) ESD Classification …………………………… ……… JEDEC Class 1C Moisture sensitivity level………………...………………JEDEC Level 3@260 °C (Note5)Note1: Must not exceed 8Vo oNote2: Vcc must not exceed 7.5V for Junction Temperature between -10 C and -40 CStresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications are not implied.PACKAGE INFORMATION4mm x 5mm POWER QFNo *θ= 45 C / WJA( Sync _ FET )o *θ= 45 C / WJA( Ctrl _ FET )1113 12oPGndθ= 2 C / WJ -PCBSWVIN*Exposed pads on underside are connected to copper pads of a 4-layer (2 oz.) PCB14Boot 10 Vcc17SyncEnable 915GndSeq PGood16 81 23 4 5 76Fb Vsns COMP Gnd Rt SS OCSetORDERING INFORMATIONPACKAGE PACKAGE PIN COUNT PARTS PER DESIGNATOR REELDESCRIPTIONM IR3859MTRPbF 17 4000M IR3859MTR1PbF 17 7502Rev 5.0Downloaded from: http://www.ic-phoenix.com/stock/ PD-97514 IR3859MPbF
