Features • Ultra small micro SMD 24 bump package • 6-signal level translation 1.8 V to 2.85 V • LDO stable with ceramic and high quality tantalum capacitors Description The LP3929 is designed for portable and wireless applications requiring level translation and power supply generation in a compact footprint. The device level translates 1.8 V LVCMOS on the host (A) side to 2.85 V LVCMOS levels on the card (B) side for a miniSD / SD 4-bit bi-directional data bus. Independent direct control of the CMD, Data0 and Data1-3 paths support mini SD state machine requirements. A shutdown pin is provided for the level shifters and regulator. The f_CLK_A is a feedback clock to the host which can be used to overcome level shifter bus delay. The built-in low-dropout voltage regulator is ideal for mobile phone and battery powered wireless applications. It provides up to 200 mA from a 3.05 V to 5.5 V input. It is stable with small 1.0 µF ±30% ceramic and high quality tantalum output capacitors, requiring smallest possible PC board area. The card (B port) side channels have integration of ASIP (Application Specific Integrated Passives) - on chip integrated pull-up, pull-down, series resistors and capacitors for EMC filtering. It is designed to tolerate IEC61000-4-2 level 4 ESD: ±15 kV air discharge, ±8 kV direct contact. Key Specification Level Shifter: Low-Dropout Regulator: Protection Block (B Side): • 6-signal Level Shifter (5 bi-directional and 1 uni-direction) • 3 ns (typ) propagation delay • Channel-to-channel skew < 1 ns (max) • 3.05 V to 5.5 V input range • 2.85 V at 200 mA • Fast Turn-On time: 30 µs (typ) • 110 mV (max) dropout with 200 mA load • Thermal shutdown at 160°C (typ) • Robust IEC ESD Protection: ±15 kV Air Gap, ±8 kV Direct Contact • ASIP / EMI Filtering

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Typical Application *click for larger image	Block Diagram *click for larger image
Typical Performance click for larger image

Datasheet

Title		Size	Date	Other Language
	LP3929 High Speed Bi-Directional Level Shifter and Ultra Low-Dropout CMOS Voltage Regulator and Line Protection	329 Kbytes	14-Dec-07

Featured Application Notes

Title		Size	Date	Other Language
	AN-1598: Application Note 1598 LP3910 Evaluation Kit	5124 Kbytes	28-Aug-07
	AN-1608: Application Note 1608 Powering Portable Media Players (PMP) with Innovative Solutions	123 Kbytes	6-Sep-07	中文

More Application Notes

Title		Size	Date	Other Language
	AN-1598: Application Note 1598 LP3910 Evaluation Kit	5124 Kbytes	28-Aug-07
	AN-1608: Application Note 1608 Powering Portable Media Players (PMP) with Innovative Solutions	123 Kbytes	6-Sep-07	中文

Part Number(s) (NSID)	Top View	Availability	Current Reported Stock	Budgetary Pricing	Standard Pack Size
LP3929TME-AACQ/NOPB RoHS		Full production Lead Time: 6 weeks	Distributor Region Qty DIGIKEY Worldwide 0	$0.89 each at 1K+ pcs	reel of 250

Obsolete Versions

Obsolete Part	Alternate Part or Supplier	Source	Last Time Buy Date
LP3929TM-18285	LP3929TME-AACQ	NATIONAL SEMICONDUCTOR	01 Nov 2007
LP3929TMX-18285	LP3929TMEX-AACQ	NATIONAL SEMICONDUCTOR	01 Nov 2007

Reliability Metrics

Part Number	Process	EFR Reject	EFR Sample Size	PPM	LTA Rejects	LTA Device Hours	FITS	MTTF (Hours)
LP3929TME-AACQ	CMOS7	0	18406	0	0	1089000	4	309006723

Note: The Early Failure Rates (EFR) were calculated as point estimate PPM based on rejects and sample size for EFR. The Long Term Failure Rates were calculated at 60% confidence using the Arrhenius equation at 0.7eV activation energy and derating the assumed stress temperature of 150°C to an application temperature of 55°C.

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Obsolete Versions

Obsolete Part	Alternate Part or Supplier	Source	Last Time Buy Date
LP3929TM-18285	LP3929TME-AACQ	NATIONAL SEMICONDUCTOR	01 Nov 2007
LP3929TMX-18285	LP3929TMEX-AACQ	NATIONAL SEMICONDUCTOR	01 Nov 2007