Datasheet > LM2737MTC

LM2737MTC

更新时间： 2024-09-16 12:09:43

品牌	Logo	应用领域
德州仪器 - TI		稳压器控制器
页数	文件大小	规格书
31页	1237K
描述
LM2727/LM2737 N-Channel FET Synchronous Buck Regulator Controller for Low Output

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LM2737MTC 技术参数

是否Rohs认证：	不符合	生命周期：	Obsolete
零件包装代码：	TSSOP	包装说明：	TSSOP, TSSOP14,.25
针数：	14	Reach Compliance Code：	not_compliant
ECCN代码：	EAR99	HTS代码：	8542.39.00.01
Factory Lead Time：	1 week	风险等级：	5.16
模拟集成电路 - 其他类型：	SWITCHING CONTROLLER	控制模式：	VOLTAGE-MODE
控制技术：	PULSE WIDTH MODULATION	最大输入电压：	16 V
最小输入电压：	2.2 V	标称输入电压：	5 V
JESD-30 代码：	R-PDSO-G14	JESD-609代码：	e0
长度：	5 mm	湿度敏感等级：	1
功能数量：	1	端子数量：	14
最高工作温度：	125 °C	最低工作温度：	-40 °C
封装主体材料：	PLASTIC/EPOXY	封装代码：	TSSOP
封装等效代码：	TSSOP14,.25	封装形状：	RECTANGULAR
封装形式：	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	峰值回流温度（摄氏度）：	260
认证状态：	Not Qualified	座面最大高度：	1.2 mm
子类别：	Switching Regulator or Controllers	表面贴装：	YES
切换器配置：	PUSH-PULL	最大切换频率：	2000 kHz
技术：	BICMOS	温度等级：	AUTOMOTIVE
端子面层：	Tin/Lead (Sn/Pb)	端子形式：	GULL WING
端子节距：	0.65 mm	端子位置：	DUAL
处于峰值回流温度下的最长时间：	NOT SPECIFIED	宽度：	4.4 mm
Base Number Matches：	1

LM2737MTC 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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LM2737MTC 替代型号

型号	品牌	替代类型	描述	数据表
LM2737MTC/NOPB	TI	类似代替	LM2727/LM2737 N-Channel FET Synchronous Buck Regulator Controller for Low Output Voltages
LM2737MTCX/NOPB	TI	类似代替	LM2727/LM2737 N-Channel FET Synchronous Buck Regulator Controller for Low Output Voltages
LM2737MTCX	TI	类似代替	LM2727/LM2737 N-Channel FET Synchronous Buck Regulator Controller for Low Output

与LM2737MTC相关器件

型号	品牌	获取价格	描述	数据表
LM2737MTC/NOPB	TI	获取价格	LM2727/LM2737 N-Channel FET Synchronous Buck Regulator Controller for Low Output Voltages
LM2737MTCX	TI	获取价格	LM2727/LM2737 N-Channel FET Synchronous Buck Regulator Controller for Low Output
LM2737MTCX/NOPB	NSC	获取价格	IC SWITCHING CONTROLLER, 2000 kHz SWITCHING FREQ-MAX, PDSO14, PLASTIC, TSSOP-14, Switching
LM2737MTCX/NOPB	TI	获取价格	LM2727/LM2737 N-Channel FET Synchronous Buck Regulator Controller for Low Output Voltages
LM2738	NSC	获取价格	550kHz/1.6MHz 1.5A Step-Down DC-DC Switching Regulator
LM2738	TI	获取价格	550kHz/1.6MHz 1.5A 降压直流/直流开关稳压器
LM2738XMY	NSC	获取价格	550kHz/1.6MHz 1.5A Step-Down DC-DC Switching Regulator
LM2738XMY/NOPB	TI	获取价格	550kHz/1.6MHz 1.5A 降压直流/直流开关稳压器 \| DGN \| 8 \| -
LM2738XMYX	NSC	获取价格	550kHz/1.6MHz 1.5A Step-Down DC-DC Switching Regulator
LM2738XMYX/NOPB	TI	获取价格	550kHz/1.6MHz 1.5A Step-Down DC-DC Switching Regulator 8-MSOP-PowerPAD -40 to 125

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