Texas Instruments LP8758A2E3YFFR
- Part Number:
- LP8758A2E3YFFR
- Manufacturer:
- Texas Instruments
- Ventron No:
- 6404454-LP8758A2E3YFFR
- Description:
- Four, single-phase, 4-A output DC-DC step-down converter
- ECAD Model:
-
- Datasheet:
- lp8758-e3
- Regulated outputs (#)4
- Vin (min) (V)2.5
- Vin (max) (V)5.5
- Iout (max) (A)4
- RatingCatalog
- Step-down DC/DC controller0
- Step-down DC/DC converter4
- Step-up DC/DC controller0
- Step-up DC/DC converter0
- LDO0
- Iq (typ) (mA)0.006
- Switching frequency (max) (kHz)3000
- FeaturesAdjustable current limit
- Operating temperature range (°C)-40 to 85
- Shutdown current (ISD) (typ) (μA)1
- Switching frequency (typ) (kHz)3000
- ConfigurabilityFactory programmable
The LP8758-E3 device is designed to meet power managementrequirements for low-power processors in mobile phones, network cards, and similar applications.The device contains four step-down DC-DC converter cores, providing four output voltage rails. Thedevice is controlled by an I2C-compatible serial interface.
The automatic PWM-PFM (AUTO mode) operation maximizes efficiency over a wideoutput-current range.
The LP8758-E3 supports programmable start-up and shutdownsequencing synchronized to hardware Enable input signal.
The protection features include short-circuit protection, current limits, input supplyUVLO, and temperature warning and shutdown functions. Several error flags are provided for statusinformation of the device. In addition, the LP8758-E3 device supportsload current measurement without the addition of external current sense resistors. During start-upand voltage change, the device controls the output slew rate to minimize output voltage overshootand the inrush current.
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ImagePart NumberManufacturerRegulated outputs (#)Vin (min) (V)Vin (max) (V)Iout (max) (A)RatingStep-down DC/DC controllerStep-down DC/DC converterStep-up DC/DC controllerStep-up DC/DC converterLDOIq (typ) (mA)Switching frequency (max) (kHz)FeaturesOperating temperature range (°C)Shutdown current (ISD) (typ) (μA)Switching frequency (typ) (kHz)ConfigurabilityProcessor nameProcessor supplierView Compare
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LP8758A2E3YFFR42.55.54Catalog040000.0063000Adjustable current limit-40 to 8513000Factory programmable--- -
42.85.54Automotive040000.00672200Diagnostics-40 to 1251.42000Factory programmableGenericGeneric
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12.85.516Automotive010000.00672200Dynamic voltage scaling-40 to 1251.42000Factory programmableGenericGeneric
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12.85.516Automotive010000.00672200Dynamic voltage scaling-40 to 1251.42000Factory programmableGenericGeneric
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Automotive multiphase quad 4-A buck converters with integrated switches
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Automotive multiphase quad 4-A buck converters with integrated switches
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Automotive multiphase quad 4-A buck converters with integrated switches
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