(Hong Kong)
Product Summary
The TPS70148PWPR is a Dual-Output Low-Dropout Voltage Regulator with Power-Up Sequencing for Split-Voltage DSP Systems. The TPS70148PWPR is designed to provide a complete power management solution for the TMS320 DSP family, processor power, ASIC, FPGA, and digital applications where dual output voltage regulators are required. Easy programmability of the sequencing function makes the TPS70148PWPR ideal for any TMS320 DSP applications with power sequencing requirements. Differentiated features, such as accuracy, fast transient response, SVS supervisory circuit, manual reset inputs, and an enable function, provide a complete system solution.
Parametrics
TPS70148PWPR absolute maximum ratings: (1)Input voltage range, VIN1, VIN2: -0.3 to +7 V; (2)Voltage range at EN: -0.3 to +7 V; (3)Output voltage range (VOUT1, VSENSE1): 5.5 V; (4)Output voltage range (VOUT2, V SENSE2): 5.5 V; (5)Maximum RESET , PG1 voltage: 7 V; (6)Maximum MR1, MR2, and SEQ voltage VIN1: V; (7)Peak output current: Internally limited; (8)Junction temperature range, TJ: -40 to +150℃; (9)Storage temperature range, Tstg: -65 to +150℃; (10)ESD rating, HBM: 2 kV.
Features
TPS70148PWPR features: (1)Dual Output Voltages for Split-Supply Applications; (2)Selectable Power-Up Sequencing for DSP Applications; (3)Output Current Range of 500mA on Regulator 1 and 250mA on Regulator 2; (4)Fast Transient Response; (5)Voltage Options: 3.3V/2.5V, 3.3V/1.8V, 3.3V/1.5V, 3.3V/1.2V, and Dual Adjustable Outputs; (6)Open Drain Power-On Reset with 120ms Delay; (7)Open Drain Power Good for Regulator 1; (8)Ultra Low 190 μ A (typ) Quiescent Current; (9)1 μ A Input Current During Standby; (10)Low Noise: 65 μ V RMS Without Bypass Capacitor; (11)Quick Output Capacitor Discharge Feature; (12)Two Manual Reset Inputs; (13)2% Accuracy Over Load and Temperature; (14)Undervoltage Lockout (UVLO) Feature; (15)20-Pin PowerPAD ? TSSOP Package; (16)Thermal Shutdown Protection.
Diagrams
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 TPS70148PWPR |
Texas Instruments |
Low Dropout (LDO) Regulators Dual-Output LDO Voltage Regulator |
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TPS70148PWPRG4 |
Texas Instruments |
Low Dropout (LDO) Regulators Dual-Output LDO Voltage Regulator |
Data Sheet |
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