Tracking, Foldback, and Short to VBAT Protection 2.2 MHz Constant On-Time Buck Regulator With Two External and Two Internal Linear Regulators A4407 Selection Guide Part Number Operating Ambient Temperature Range TA, (C) Package Packing* Leadframe Plating A4407KLPTR-T -40 to 135 24-pin TSSOP with exposed thermal pad 4000 pieces per 13-in. reel 100% matte tin *Contact Allegro(R) for additional packing options. Absolute Maximum Ratings* Characteristic Symbol Notes Rating Unit -0.3 to 50 V -0.3 to 50 V -1.5 V VCP, CP1, CP2 Pins -0.3 to 60 V ISEN- Pin -0.5 to 1 V -0.5 to 0.5 V -0.3 V -50 to 50 mA -0.3 to 8 V -0.3 V VIN Pin LX Pin VLX t < 250 ns ISEN+ Pin The ENBAT pin is internally clamped to approximately 8.5 V due to an ESD protection device. ENBAT Pin VREG Pin These pins are internally clamped by an ESD protection device. Clamp voltages range from 10 V (min) to 15 V (max). G1V2 and G3V3 Pins CL1V2 and CL3V3 Pins V5P Pin -0.3 to 10 V -0.3 to VIN+0.5 V V5 Pin -0.3 to 7 V TON Pin -0.3 to 50 V NPOR, C

Tracking, Foldback, and Short to VBAT Protection 2.2 MHz Constant On-Time Buck Regulator With Two External and Two Internal Linear Regulators A4407 Selection Guide Part Number Operating Ambient Temperature Range TA, (C) Package Packing* Leadframe Plating A4407KLPTR-T -40 to 135 24-pin TSSOP with exposed thermal pad 4000 pieces per 13-in. reel 100% matte tin *Contact Allegro(R) for additional packing options. Absolute Maximum Ratings* Characteristic Symbol Notes Rating Unit -0.3 to 50 V -0.3 to 50 V -1.5 V VCP, CP1, CP2 Pins -0.3 to 60 V ISEN- Pin -0.5 to 1 V -0.5 to 0.5 V -0.3 V -50 to 50 mA -0.3 to 8 V -0.3 V VIN Pin LX Pin VLX t < 250 ns ISEN+ Pin The ENBAT pin is internally clamped to approximately 8.5 V due to an ESD protection device. ENBAT Pin VREG Pin These pins are internally clamped by an ESD protection device. Clamp voltages range from 10 V (min) to 15 V (max). G1V2 and G3V3 Pins CL1V2 and CL3V3 Pins V5P Pin -0.3 to 10 V -0.3 to VIN+0.5 V V5 Pin -0.3 to 7 V TON Pin -0.3 to 50 V NPOR, C

Tracking, Foldback, and Short to VBAT Protection 2.2 MHz Constant On-Time Buck Regulator With Two External and Two Internal Linear Regulators A4407 Selection Guide Part Number Operating Ambient Temperature Range TA, (C) Package Packing* Leadframe Plating A4407KLPTR-T -40 to 135 24-pin TSSOP with exposed thermal pad 4000 pieces per 13-in. reel 100% matte tin *Contact Allegro(R) for additional packing options. Absolute Maximum Ratings* Characteristic Symbol Notes VIN Pin Rating Unit -0.3 to 50 V -0.3 to 50 V -1.0 V VCP, CP1, CP2 Pins -0.3 to 60 V ISEN- Pin -0.5 to 1 V -0.5 to 0.5 V -0.3 V -50 to 50 mA -0.3 to 8 V -0.3 V CL1V2 and CL3V3 Pins -0.3 to 10 V V5P Pin -0.3 to 50 V LX Pin T < 50 ns ISEN+ Pin The ENBAT pin is internally clamped to approximately 8.5 V due to an ESD protection device. ENBAT Pin VREG Pin These pins are internally clamped by an ESD protection device. Clamp voltages range from 10 V (min) to 15 V (max). G1V2 and G3V3 Pins V5 Pin -0.3 to 7 V TON Pin -0.3 to 50 V NPOR, CPOR, ENB,

Tracking, Foldback, and Short to VBAT Protection 2.2 MHz Constant On-Time Buck Regulator With Two External and Two Internal Linear Regulators A4407 Selection Guide Part Number Operating Ambient Temperature Range TA, (C) Package Packing* Leadframe Plating A4407KLPTR-T -40 to 135 24-pin TSSOP with exposed thermal pad 4000 pieces per 13-in. reel 100% matte tin *Contact AllegroTM for additional packing options. Absolute Maximum Ratings* Characteristic Symbol Notes Rating Unit -0.3 to 50 V -0.3 to 50 V -1.5 V VCP, CP1, CP2 Pins -0.3 to 60 V ISEN- Pin -0.5 to 1 V -0.5 to 0.5 V -0.3 V -50 to 50 mA -0.3 to 8 V -0.3 V VIN Pin LX Pin VLX t < 250 ns ISEN+ Pin The ENBAT pin is internally clamped to approximately 8.5 V due to an ESD protection device. ENBAT Pin VREG Pin These pins are internally clamped by an ESD protection device. Clamp voltages range from 10 V (min) to 15 V (max). G1V2 and G3V3 Pins CL1V2 and CL3V3 Pins V5P Pin -0.3 to 10 V -0.3 to VIN+0.5 V V5 Pin -0.3 to 7 V TON Pin -0.3 to 50 V NPOR, CP

Tracking, Foldback, and Short to VBAT Protection 2.2 MHz Constant On-Time Buck Regulator With Two External and Two Internal Linear Regulators A4407 Selection Guide Part Number Operating Ambient Temperature Range TA, (C) Package Packing* Leadframe Plating A4407KLPTR-T -40 to 135 24-pin TSSOP with exposed thermal pad 4000 pieces per 13-in. reel 100% matte tin *Contact Allegro(R) for additional packing options. Absolute Maximum Ratings* Characteristic Symbol Notes Rating Unit -0.3 to 50 V -0.3 to 50 V -1.5 V VCP, CP1, CP2 Pins -0.3 to 60 V ISEN- Pin -0.5 to 1 V -0.5 to 0.5 V -0.3 V -50 to 50 mA -0.3 to 8 V -0.3 V VIN Pin LX Pin VLX t < 250 ns ISEN+ Pin The ENBAT pin is internally clamped to approximately 8.5 V due to an ESD protection device. ENBAT Pin VREG Pin These pins are internally clamped by an ESD protection device. Clamp voltages range from 10 V (min) to 15 V (max). G1V2 and G3V3 Pins CL1V2 and CL3V3 Pins V5P Pin -0.3 to 10 V -0.3 to VIN+0.5 V V5 Pin -0.3 to 7 V TON Pin -0.3 to 50 V NPOR, C