Datasheet > NR30102R2M

NR30102R2M

更新时间： 2024-11-21 12:05:03

品牌	Logo	应用领域
凌特 - Linear		/
页数	文件大小	规格书
16页	307K
描述
2.25MHz, 300mA Synchronous Step-Down

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NR30102R2M 数据手册

LTC3410

2.25MHz, 300mA

Synchronous Step-Down

Regulator in SC70

DESCRIPTIO

FEATURES

■

High Efficiency: Up to 96%

The LTC^®3410 is a high efficiency monolithic synchro-

nous buck regulator using a constant frequency, current

mode architecture. The device is available in adjustable

and fixed output voltage versions. Supply current during

operation is only 26µA, dropping to <1µA in shutdown.

The 2.5V to 5.5V input voltage range makes the LTC3410

ideally suited for single Li-Ion battery-powered applica-

tions. 100% duty cycle provides low dropout operation,

extending battery life in portable systems.

■

Low Ripple (20mV_P-P) Burst Mode Operation: I_Q26µA

■

Low Output Voltage Ripple

■

300mA Output Current at V_IN= 3V

■

380mA Minimum Peak Switch Current

■

2.5V to 5.5V Input Voltage Range

■

2.25MHz Constant Frequency Operation

■

No Schottky Diode Required

■

Low Dropout Operation: 100% Duty Cycle

■

Stable with Ceramic Capacitors

Switching frequency is internally set at 2.25MHz, allowing

the use of small surface mount inductors and capacitors.

The LTC3410 is specifically designed to work well with

ceramic output capacitors, achieving very low output

voltage ripple and a small PCB footprint.

■

0.8V Reference Allows Low Output Voltages

■

Shutdown Mode Draws <1µA Supply Current

■

±2% Output Voltage Accuracy

■

Current Mode Operation for Excellent Line and

Load Transient Response

Overtemperature Protected

■

The internal synchronous switch increases efficiency and

eliminates the need for an external Schottky diode. Low

output voltages are easily supported with the 0.8V feed-

back reference voltage. The LTC3410 is available in a tiny,

low profile SC70 package.

■

^{Available in Low}U^{Profile SC70 Package}

APPLICATIO S

■

Cellular Telephones

Wireless and DSL Modems

Digital Cameras

MP3 Players

, LT, LTC and LTM are registered trademarks of Linear Technology Corporation. All

other trademarks are the property of their respective owners. Protected by U.S. Patents,

including 5481178, 6580258, 6304066, 6127815, 6498466, 6611131, 5994885.

■

Portable Instruments

TYPICAL APPLICATIO

Efficiency and Power Loss

vs Output Current

100

4.7µH

OUT

2.7V

LTC3410

RUN

0.1

0.01

2.5V

10pF

EFFICIENCY

TO 5.5V

OUT

4.7µF

CER

887k

POWER LOSS

GND

412k

0.001

3410 TA01a

= 2.7V

= 3.6V

= 4.2V

0.1

0.0001

1000

100

OUTPUT CURRENT (mA)

3410 TA01b

3410fb

12 3 4 5 6 7...16

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与NR30102R2M相关器件

型号	品牌	获取价格	描述	数据表
NR30104R7M	Linear	获取价格	2.25MHz, 300mA Synchronous Step-Down
NR3010T100M	TAIYO YUDEN	获取价格	SMD INDUCTORS LOW PROFILE TYPE
NR-3010T100M-K	KEMET	获取价格	Surface Mount Ferrite Products
NR3010T100N	TAIYO YUDEN	获取价格	General Purpose Inductor, 10uH, 30%, 1 Element, Ferrite-Core, SMD, CHIP, 3010
NR3010T150M	TAIYO YUDEN	获取价格	SMD INDUCTORS LOW PROFILE TYPE
NR-3010T150M-K	KEMET	获取价格	Surface Mount Ferrite Products
NR3010T1R0N	TAIYO YUDEN	获取价格	SMD INDUCTORS LOW PROFILE TYPE
NR-3010T1R0N-K	KEMET	获取价格	Surface Mount Ferrite Products
NR3010T1R5N	TAIYO YUDEN	获取价格	SMD INDUCTORS LOW PROFILE TYPE
NR-3010T1R5N-K	KEMET	获取价格	Surface Mount Ferrite Products

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