Datasheet > 10TPB100ML

10TPB100ML

更新时间： 2024-01-01 04:44:55

品牌	Logo	应用领域
德州仪器 - TI		稳压器电容器控制器
页数	文件大小	规格书
31页	1294K
描述
LM2727/LM2737 N-Channel FET Synchronous Buck Regulator Controller

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10TPB100ML 技术参数

是否Rohs认证：	符合	生命周期：	Obsolete
包装说明：	, 2917	Reach Compliance Code：	unknown
ECCN代码：	EAR99	HTS代码：	8532.21.00.50
风险等级：	5.74	其他特性：	RIPPLE CURRENT MEASURED AT 100KHZ TO 500 KHZ
电容：	100 µF	电容器类型：	TANTALUM CAPACITOR
介电材料：	TANTALUM (SOLID POLYMER)	高度：	2.8 mm
JESD-609代码：	e4	漏电流：	0.1 mA
长度：	7.3 mm	安装特点：	SURFACE MOUNT
负容差：	20%	端子数量：	2
最高工作温度：	105 °C	最低工作温度：	-55 °C
封装形状：	RECTANGULAR PACKAGE	封装形式：	SMT
极性：	POLARIZED	正容差：	20%
额定（直流）电压（URdc）：	10 V	纹波电流：	1900 mA
尺寸代码：	2917	表面贴装：	YES
Delta切线：	0.08	端子面层：	Nickel/Palladium/Gold (Ni/Pd/Au)
端子形状：	J BEND	宽度：	4.3 mm
Base Number Matches：	1

10TPB100ML 数据手册

LM2727, LM2737

www.ti.com

SNVS205D –AUGUST 2002–REVISED MARCH 2013

LM2727/LM2737 N-Channel FET Synchronous Buck Regulator Controller for Low Output

Voltages

Check for Samples: LM2727, LM2737

FEATURES

DESCRIPTION

The LM2727 and LM2737 are high-speed,

synchronous, switching regulator controllers. They

are intended to control currents of 0.7A to 20A with

up to 95% conversion efficiencies. The LM2727

employs output over-voltage and under-voltage latch-

off. For applications where latch-off is not desired, the

LM2737 can be used. Power up and down

sequencing is achieved with the power-good flag,

adjustable soft-start and output enable features. The

LM2737 and LM2737 operate from a low-current 5V

bias and can convert from a 2.2V to 16V power rail.

Both parts utilize a fixed-frequency, voltage-mode,

PWM control architecture and the switching

frequency is adjustable from 50kHz to 2MHz by

adjusting the value of an external resistor. Current

limit is achieved by monitoring the voltage drop

across the on-resistance of the low-side MOSFET,

which enhances low duty-cycle operation. The wide

range of operating frequencies gives the power

supply designer the flexibility to fine-tune component

size, cost, noise and efficiency. The adaptive, non-

overlapping MOSFET gate-drivers and high-side

bootstrap structure helps to further maximize

efficiency. The high-side power FET drain voltage can

be from 2.2V to 16V and the output voltage is

adjustable down to 0.6V.

•

Input Power from 2.2V to 16V

•

Output Voltage Adjustable Down to 0.6V

Power Good flag, Adjustable Soft-Start and

Output Enable for Easy Power Sequencing

•

Output Over-Voltage and Under-Voltage Latch-

Off (LM2727)

Output Over-Voltage and Under-Voltage Flag

(LM2737)

•

Reference Accuracy: 1.5% (0°C - 125°C)

Current Limit Without Sense Resistor

Soft Start

Switching Frequency from 50 kHz to 2 MHz

TSSOP-14 Package

APPLICATIONS

•

Cable Modems

Set-Top Boxes/ Home Gateways

DDR Core Power

High-Efficiency Distributed Power

Local Regulation of Core Power

Typical Application

+5V

V_IN= 3.3V

C_BOOT

0.1m

R_IN

C_IN1,2

Si4884DY

10W

10mF

6.3V

V_CC

1.5 mH

6.1 A, 9.6 mW

C_IN

2.2mF

BOOT

R_CS

V_O= 1.2V@5A

I_SEN

PWGD

FREQ

R_FADJ

Si4884DY

2.2k

LM27x7

PGND

C_O1,2

63.4k

C_SS

12n

R_FB2

10k

2200mF

6.3V, 2.8A

SGND

EAO

R_FB1

C_C1

10k

R_C1

392k

C_C2

180p

2.2p

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of

Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

All trademarks are the property of their respective owners.

PRODUCTION DATA information is current as of publication date.

Products conform to specifications per the terms of the Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.

12 3 4 5 6 7...31

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