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TPPM0110DWPR, TPPM0115, TPPM0115D

Table of contents:
Info of TPPM0110DWPR
Info of TPPM0115
Info of TPPM0115D

TPPM0110DWPR, TPPM0115, TPPM0115D Selling Leads, Datasheet

MFG:Texas Instruments (VA) Category:Integrated Circuits (ICs) Package Cooled:SOP-20/7.2mm D/C:0219+

TPPM0110DWPR, TPPM0115, TPPM0115D Datasheet download

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Part Number: TPPM0110DWPR

Category: Integrated Circuits (ICs)

MFG: Texas Instruments (VA)

Package Cooled: SOP-20/7.2mm

D/C: 0219+

Description: DUAL LDO REGULAT 1.8/3.3 20HSOIC

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TPPM0110DWPR Parameters

Technical/Catalog Information	TPPM0110DWPR
Vendor	Texas Instruments (VA)
Category	Integrated Circuits (ICs)
Regulator Type	Multiple Output
Package / Case	20-SOIC (7.5mm Width) Exposed Pad, 20-eSOIC, 20-HSOIC
Packaging	Digi-Reel?
Regulator Topology	Positive Fixed
Current - Output	300mA, 1.5A
Voltage - Output	1.8V, 3.3V
Operating Temperature	0°C ~ 55°C
Voltage - Input	4.7 ~ 5.3 V
Number of Regulators	2
Current - Limit (Min)	-
Current Short Circuit (Isc)	-
Drawing Number	296; 4147575; DWP; 20, 28
Lead Free Status	Lead Free
RoHS Status	RoHS Compliant
Other Names	TPPM0110DWPR TPPM0110DWPR 296 10872 6 ND 296108726ND 296-10872-6

TPPM0115 General Description

The TPPM0115 is a synchronous buck controller capable of driving two external power FETs 180° out of phase. The device requires a minimum of external standard filter components and switching FETs to regulate the desired output voltage. This is achieved with an internal switching frequency of 200 kHz (typical).

The TPPM0115 switch mode controller and associated circuitry provide efficient voltage regulation of greater than 85%. The output voltage is set by two external resistors. During power up, when the output voltage reaches 90% of the desired value, the power good (PWRGD) output is transitioned high after a short delay of 1 ms to 5 ms. During power down, when the output voltage falls below 90% of the set value, the PWRGD output is pulled low without any delay.

In the event the set output is in an over-voltage condition due to a system fault, the drive to the lower FET turns on to correct the fault. There is a dead time between switching one FET ON while the other FET is switching OFF to prevent cross conduction.

The TPPM0115 is capable of driving high static load currents with minimal ripple on the output (<2%). The phase sense input is used to sense the flow of current through the inductor during flyback to minimize ripple on the output.

To optimize output filter capacitance, the voltage mode control is based on a fixed ON time during the start of the cycle and hysteretic control during load transients. This allows the device to respond and maintain the set regulation voltage.

TPPM0115 Maximum Ratings

Unregulated input voltage, V_CC (see Notes 1 and 2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24 V
Drive output voltage, V_(DRVH) and V_(DRVL) (see Notes 1 and 3) . . . . . . . . . . . . . . . . . . . .12.6 V
Power good voltage, V_(PWRGD) (see Notes 1 and 2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7 V
Feedback voltage, V_(SEN) (see Notes 1 and 2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7 V
Phase sense voltage, V_(PHASE) (see Note 3) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7 V
Continuous power dissipation, P_D . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .0.4 W
Electrostatic discharge susceptibility, V_(HBMESD) (see Note 4) . . . . . . . . . . . . . . . . . . . . . . . .2 kV
Operating ambient temperature range, T_A . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .0°C to 70°C
Storage temperature range, T_stg . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . .65°C to 150°C
Lead temperature (soldering, 10 sec) T_LEAD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .260°C

TPPM0115 Features

DC-DC Synchronous Buck Controller
Switching Frequency, 200 kHz (Typ)
Programmable Output Voltage, 1 V to 2.5 V ±2%
Power Good Function (PWRGD)
Input Voltage, 12 V ±5%
Drive High Load Current With External Components

TPPM0115 Typical Application

PC Motherboard, Voltage Regulation for System Power
DDR Memory Supply (VDDQ or VTT)
RDRAM Memory Supply (VDDQ)
General Purpose Synchronous Switch Mode Controller

TPPM0115 Connection Diagram

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