LM26480SQ-AA/NOPB ,Externally Programmable Dual High-Current Step-Down DC/DC and Dual Linear Regulators 24-WQFN -40 to 85Features– V from:OUTinclude soft start, undervoltage lockout, current– Buck1 : 0.8 V to 2 V at 1.5 ..
LM26480SQ-AA/NOPB ,Externally Programmable Dual High-Current Step-Down DC/DC and Dual Linear Regulators 24-WQFN -40 to 85Features 2 Applications1• Input Voltage: 2.8 V to 5.5 V • Core Digital Power• Compatible with Advan ..
LM26484SQ/NOPB ,Power Management IC (PMIC) 24-WQFN SNVS573F –SEPTEMBER 2008–REVISED MARCH 2013PIN DESCRIPTIONS(1)Pins Name I/O Type Description1 VIN1 ..
LM2648MTD ,Two-Phase, Synchronous Step-Down 3-Channel Switching Regulator ControllerPin Descriptionsoutput of the internal error amplifier. The compensation net-SW1 (Pin 1): Switch-no ..
LM2650M-ADJ ,Synchronous Step-Down DC/DC ConverterBlock Diagrams)Pins Description1, 12 SUB: These pins make electrical contact with the substrate of ..
LM2650M-ADJ/NOPB ,Synchronous Step-Down DC/DC Converter 24-SOIC -40 to 125 SNVS133C –JUNE 1999–REVISED APRIL 2013(1)PIN DESCRIPTIONSPins Description1, 12 SUB: These pins mak ..
LM4925SD ,2 Cell, Single Ended Output, 40mW Stereo Headphone Audio AmplifierGeneral Description Key Specificationsn Mono-BTL Output PowerThe unity gain stable LM4925 is both a ..
LM49270SQ , Filterless 2.2W Stereo Class D Audio Subsystem with OCL Headphone Amplifier, 3D Enhancement, and Headphone Sense
LM49270SQ , Filterless 2.2W Stereo Class D Audio Subsystem with OCL Headphone Amplifier, 3D Enhancement, and Headphone Sense
LM4927SD , 2.5 Watt Fully Differential Audio Power Amplifier With Shutdown
LM4927SD/NOPB ,2.5 Watt Fully Differential Audio Power Amplifier With Shutdown 8-WSON Electrical Characteristics V = 5VDDThe following specifications apply for V = 5V, A = 1, and 8Ω loa ..
LM4928SD , 1.2 Watt Stereo Fully Differential Audio Amplifier with RF Suppression and Shutdown Low
LM26480SQ-AA/NOPB
Externally Programmable Dual High-Current Step-Down DC/DC and Dual Linear Regulators
LM26480LDO1_FB
VOUTLDO2
VOUTLDO1
ENLDO1
LDO2_FB
VIN1
SW1
FB1
VINLDO2
VIN2
10 μF
ENSW1
2.2 μH
ENSW2
GND_SW1
VINLDO1
SYNC
nPOR
ENLDO2
VINLDO12
0.47 μF
0.47 μF 1 μF
1 μFC2 R1 10 μF
2.2 μH
10 μF
1 μF
100 k Precision Internal Reference Thermal Overload Protection Current Overload Protection External Power-On-Reset Function for Buck1 and
Buck2 Undervoltage Lockout Detectorto Monitor Input
Supply Voltage
Step-Down DC-DC Converters (Buck) 1.5-A Output Current VOUT from: Buck1: 0.8Vto2Vat 1.5A Buck2:1Vto 3.3Vat 1.5A Upto 96% efficiency ±3% FB Voltage Accuracy 2-MHz PWM Switching Frequency PWM-to-PFM Automatic Mode Change Under
Low Loads Automatic Soft Start
Linear Regulators (LDO) VOUTof1Vto 3.5V ±3% FB Voltage Accuracy 300-mA Output Current 25-mV (Typical) Dropout
digital applications. This device integrates 1.5-A step-down DC-DC converters linear regulators. The
(1) Forall available see the orderable addendumat
the endofthe
Schematic
