LP2985A-50 Status: ACTIVE

Single Output LDO, 150mA, Fixed(5.0V), 1.0% Tolerance, Low Quiescent Current, Low Noise

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Datasheet

150-mA Low-Noise, Low-Dropout Regulator With Shutdown (Rev. M) (PDF 648 KB)
25 Mar 2009

	LP2985	LP2985-18	LP2985-25	LP2985-28	LP2985-29	LP2985-33	LP2985-50	LP2985A-18	LP2985A-25	LP2985A-28	LP2985A-29	LP2985A-30	LP2985A-33	LP2985A-50
Iout(Max)(A)	0.15	0.15	0.15	0.15	0.15	0.15	0.15	0.15	0.15	0.15	0.15	0.15	0.15	0.15
Vdo(Typ)(mV)	280	280	280	280	280	280	280	280	280	280	280	280	280	280
Iq(Typ)(mA)	0.85	0.85	0.85	0.85	0.85	0.85	0.85	0.85	0.85	0.85	0.85	0.85	0.85	0.85
Vin(Min)(V)	2.05	2.05	2.5	2.5	2.5	2.5	2.5	2.05	2.5	2.5	2.5	2.5	2.5	2.5
Vin(Max)(V)	16	16	16	16	16	16	16	16	16	16	16	16	16	16
Vout(Min)(V)		1.8	2.5	2.8	2.9	3.3	5	1.8	2.5	2.8	2.9	3	3.3	5
Vout(Max)(V)		1.8	2.5	2.8	2.9	3.3	5	1.8	2.5	2.8	2.9	3	3.3	5
Accuracy(%)	1.5	1.5	1.5	1.5	1.5	1.5	1.5	1	1	1	1	1	1	1
Output Capacitor(uF)	4.7	4.7	4.7	4.7	4.7	4.7	4.7	4.7	4.7	4.7	4.7	4.7	4.7	4.7
Output Capacitor Type		Ceramic	Ceramic	Ceramic	Ceramic	Ceramic	Ceramic	Ceramic	Ceramic	Ceramic	Ceramic	Ceramic	Ceramic
Fixed Output Options(V)		1.8	2.5	2.8	2.9	3.3	5	1.8	2.5	2.8	2.9	3	3.3	5
Pin/Package		5SOT-23	5SOT-23	5SOT-23	5SOT-23	5DSBGA, 5SOT-23	5SOT-23	5SOT-23	5SOT-23	5SOT-23	5SOT-23	5SOT-23	5SOT-23	5SOT-23
Rating	Catalog	Catalog	Catalog	Catalog	Catalog	Catalog	Catalog	Catalog	Catalog	Catalog	Catalog	Catalog	Catalog	Catalog
Regulated Outputs(#)	1	1	1	1	1	1	1	1	1	1	1	1	1	1
	Samples	Samples	Samples	Samples	Samples	Samples	Samples	Samples	Samples	Samples	Samples	Samples	Samples	Samples
	Inventory Not Available	Inventory	Inventory	Inventory	Inventory	Inventory	Inventory	Inventory	Inventory	Inventory	Inventory	Inventory	Inventory	Inventory

Customers Who Evaluated This Product Also Evaluated

TPS73201: Single Output LDO, 250mA, Adj.(1.2 to 5.5V), Low Noise, Fast Transient Response
UCC28061: Natural Interleaving(TM) Transition-Mode PFC Controller with Improved Audible Noise Immunity
UC3854B: Enhanced High Power Factor Preregulator
UCC2895: BiCMOS Advanced Phase Shift Resonant Controller

Product Information

Features

Output Tolerance of
- 1% (A Grade)
- 1.5% (Standard Grade)
Ultra-Low Dropout, Typically
- 280 mV at Full Load of 150 mA
- 7 mV at 1 mA
Wide V_IN Range: 16 V Max
Low I_Q: 850 µA at Full Load at 150 mA
Shutdown Current: 0.01 µA Typ
Low Noise: 30 µV_RMS With 10-nF Bypass Capacitor
Stable With Low-ESR Capacitors, Including Ceramic
Overcurrent and Thermal Protection
High Peak-Current Capability
ESD Protection Exceeds JESD 22
- 2000-V Human-Body Model (A114-A)
- 200-V Machine Model (A115-A)
PORTABLE APPLICATIONS
- Cellular Phones
- Palmtop and Laptop Computers
- Personal Digital Assistants (PDAs)

View All Features in Datasheet

Pricing / Packaging / CAD Design Tools / Samples

			Price	Packaging			CAD Design Tools		Samples
Device	Status	Temp (^oC)	Price \| Quantity	Package \| Pins	Top Side Marking	Package QTY \| Package Carrier	Symbols	Footprints	Samples
LP2985A-50DBVR	ACTIVE	-40 to 125	0.34 \| 1ku	SOT-23 (DBV) \| 5	View	3000 \| LARGE T&R
LP2985A-50DBVRG4	ACTIVE	-40 to 125	0.34 \| 1ku	SOT-23 (DBV) \| 5	View	3000 \| LARGE T&R
LP2985A-50DBVT	ACTIVE	-40 to 125	0.65 \| 1ku	SOT-23 (DBV) \| 5	View	250 \| SMALL T&R	Purchase Samples
LP2985A-50DBVTG4	ACTIVE	-40 to 125	0.65 \| 1ku	SOT-23 (DBV) \| 5	View	250 \| SMALL T&R	Purchase Samples

* Suggested Resale Price per unit (USD) for BUDGETARY USE ONLY. For higher volume price quotes,prices in local currency or delivery quotes, please contact your local Texas Instruments Sales Office or Authorized Distributor.

Inventory

Reported Distributor Inventory as of 11:52 AM GMT, 22 Nov 2009
Region	Company	In Stock	Purchase
TI Lead Time*: 16 WeeksLP2985A-50DBVR
Asia	WPI	747
TI Lead Time*: 16 WeeksLP2985A-50DBVRG4
None Reported View Distributors
TI Lead Time*: 16 WeeksLP2985A-50DBVT
Americas	Arrow	250
	Avnet	750
	Newark	45
Asia	Farnell Asia	71
Europe	Avnet-SILICA	250
Europe	Farnell	71
TI Lead Time*: 16 WeeksLP2985A-50DBVTG4
None Reported View Distributors
View all Distributors

** Lead time information is not available at this time. However, our information is updated daily so please check back with us soon. Please contact your preferred TI Authorized Distributor for additional information.

Quality & Lead (Pb)-Free Data

	Product Content				DPPM / MTBF / FIT Rate
Device	Eco Plan*	Lead / Ball Finish	MSL Rating / Peak Reflow	Details	Details
LP2985A-50DBVR	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-1-260C-UNLIM	View	View
LP2985A-50DBVRG4	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-1-260C-UNLIM	View	View
LP2985A-50DBVT	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-1-260C-UNLIM	View	View
LP2985A-50DBVTG4	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-1-260C-UNLIM	View	View

* The planned eco-friendly classification: Pb-Free (RoHS) or Pb-Free (RoHS Exempt) or Green (RoHS & no Sb/Br) - please click on the Product Content Details "View" link in the table above for the latest availability information and additional product content details.

If the information you are requesting is not available online at this time, contact one of our Product Information Centers regarding the availability of this information.

Technical Documents

Most useful technical documents for LP2985A-50

Datasheet

150-mA Low-Noise, Low-Dropout Regulator With Shutdown (Rev. M) (PDF, 648 KB)
25 Mar 2009

Application Notes

LDO PSRR Measurement Simplified (HTM, 8 KB) 1137 views
27 Jul 2009 Read Abstract
LDO Noise Demystified (HTM, 8 KB) 1131 views
30 Jun 2009 Read Abstract

View Application Notes for Single Channel LDO

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UCC28061	Natural Interleaving(TM) Transition-Mode PFC Controller with Improved Audible Noise Immunity	AC/DC AND DC/DC POWER SUPPLIES-POWER FACTOR CORRECTION ICS	TI customers also evaluated this product.
UC3854B	Enhanced High Power Factor Preregulator	AC/DC AND DC/DC POWER SUPPLIES-POWER FACTOR CORRECTION ICS	TI customers also evaluated this product.
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LP2985A-50 Status: ACTIVE

Single Output LDO, 150mA, Fixed(5.0V), 1.0% Tolerance, Low Quiescent Current, Low Noise

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