LP2981-DBVT [TI]
ADJUSTABLE POSITIVE LDO REGULATOR, PDSO5, SOT-23, 5 PIN;
| 型号： | LP2981-DBVT |
| 厂家： | 
TEXAS INSTRUMENTS |
| 描述： | ADJUSTABLE POSITIVE LDO REGULATOR, PDSO5, SOT-23, 5 PIN 光电二极管 输出元件 调节器 |
| 文件： | 总2页 (文件大小：194K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
LP2981/LP2985/LP2985LV
Ultra-low dropout regulator with shutdown
Features
Target Applications
• Wide VIN range: 2.2 V to 16 V
• Stable with ceramic capacitors (LP2985, LP2985LV)
• Notebooks, desktop PCs
• PC peripheral cards
• Very low dropout voltage, typically:
• 70 mV at 25 mA
• PDAs, mobile phones, palmtops
• Telecommunications/modems
• Media players
• Digital still cameras, VCRs, camcorders
• Storage card and system
• Industrial/automotive
• 200 mV at 100 mA
• 280 mV at 150 mA
• Output tolerance (LP2981/LP2985):
• 0.75%/1% (A grade)
• 1.25%/1.5% (standard grade)
• Low noise: 30 µV (300 Hz to 50 kHz) (LP2985, LP2985LV)
• Wide operating temperature range (Tj): –40°C to 125°C
• Low quiescent current in shutdown: 0.01 µA (typ)
• Overcurrent and thermal protection
Package Pinouts
LP2985A-xxDBVR
(SOT-23)
• High peak current capability
V
5
V
IN
OUT
1 µF
2.2 µF
Voltage Nodes
GND
• LP2981: Adj, 1.25, 1.8, 2.5, 2.7, 2.8,* 2.9, 3.0, 3.2, 3.3* and 5 V
• LP2985: 2.5, 2.6, 2.7, 2.8,* 2.85, 3.0, 3.1, 3.2, 3.3* and 5 V
• LP2985LV: 1.25, 1.5, 1.7, 1.8 and 2.0 V
Bypass
10 nF
On/Off
4
Output Current
• LP2981: 100 mA
• LP2985 and LP2985LV: 150 mA
LP2985A-xxYEQ/YZQ
(WCSP)
Package Options
V
V
IN
OUT
• SOT-23 (DBV)
• WCSP (YEQ, YEU, YZQ, YZU)**
* Currently released
2.2 µF
1 µF
On/Off
** YZQ/YZU = Lead (Pb)-Free, YEU/YZU = 0.30-mm bump, YEQ/YZQ = 0.17-mm bump
Bypass
10 nF
Comparison Between SOT-23 and WCSP Devices
0.0408
(1,037)
5-ball
0.118
(3,00)
NanoStarTM (YEU/YEQ)
5-pin
SOT-23 (DBV)
Lead pitch = 0.037 (0,95)
Height = 0.047 (1,20)
Area = 0.014 (9)
NanoFreeTM (YZU/YZQ)
Ball pitch = 0.020 (0,50)
Height = 0.0246 (0,625)
Area = 0.0021 (1,386)
0.0526
(1,337)
0.118
(3,00)
Dimensions in inches (millimeters)
SOT-23
WCSP
R E L I A B L E.
L O G I C.
I N N O V A T I O N.TM
LP2981* X - XX DBV T
LP2985*
Part Number Definition
Device Name: LP2981—100 mA; LP2985/LP2985LV—150 mA, ceramic caps, low noise
Grade: Blank (standard) = 1.25%/1.5%, A = 0.75%/1%
VOUT Nodes: Blank = Adj, 15 = 1.5 V, 18 = 1.8 V, 25 = 2.5 V, 33 = 3.3 V, etc.
Package Type: DBV = SOT-23; YEQ/YZQ and YEU/YZU = WCSP
Quantity/Package Type: T = 250 pcs reel, R = 3000 pcs reel
*Standard temperature range (Tj): –40°C to 125°C
LP2985 Evaluation Module Using a WCSP Device
For More Information, Visit:
linear.ti.com/LDO/LP2981
linear.ti.com/LDO/LP2985
linear.ti.com
(EVM size is in relation to a standard U.S. quarter.)
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IC VREG ADJUSTABLE POSITIVE LDO REGULATOR, PBGA5, CSP-5, Adjustable Positive Single Output LDO Regulator
TI
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