Datasheet > LM8801

LM8801

更新时间： 2022-10-12 16:24:08

品牌	Logo	应用领域
德州仪器 - TI		/
页数	文件大小	规格书
23页	1629K
描述
High Precision 6MHz, 600 mA Synchronous Step-Down DC-DC Converter for Mobile Applications

阅读下载

获取价格

数据手册

如果您发现信息不准确，欢迎纠错

LM8801 数据手册

LM8801

SNVS597H –APRIL 2009–REVISED MAY 2013

www.ti.com

(1) (2) (3)

Electrical Characteristics

Limits in standard typeface are for T_A= 25°C. Limits in boldface type apply over the operating ambient temperature range

(−30°C ≤ T_A= T_J≤ +85°C). Unless otherwise noted, specifications apply to the LM8801 open loop Typical Application Circuit

with V_OUT= 1.82V, V_IN= EN = 3.6V.

Parameter

Test Conditions

Min

-1.5

Typ

Max

+1.5

Units

V_FB

Feedback Voltage Tolerance

PWM

2.3V ≤ V_IN≤ 5.5V;

I_OUT= 10 mA (PFM)

0.2

Line Reg. (closed loop)

Load Reg. (closed loop)

%/V

2.3V ≤ V_IN≤ 5.5V;

I_OUT= 200 mA (PWM)

V_OUT

0.048

0.0019

0.1 mA ≤ I_OUT≤ 600 mA;

V_IN= 3.6V (Auto)

%/mA

I_SHDN

Shutdown Supply Current

EN = 0V, SW = GND

0.08

1.0

µA

mΩ

I_{Q_PFM}

I_{Q_PWM}

R_{DSON (P)}

R_{DSON (N)}

I_LIM

Quiescent Current in PFM Mode

Quiescent Current in PWM Mode

Pin-Pin Resistance for PFET

No load, device is not switching

V_IN= V_GS= 3.6V

0.57

220

180

1100

0.7

Pin-Pin Resistance for Sync NFET V_IN= V_GS= 3.6V

PFET Peak Current Limit

900

1.2

1300

V_IH

Logic High Input, all control pins

Logic Low Input

V_IL

0.4

I_EN,MODE

F_OSC

Pin Input Current

0.01

6.0

µA

MHz

Internal Oscillator Frequency

Under-Voltage Lock Out

PWM Mode

5.6

6.4

UVLO

2.0

(1) All voltages are with respect to the potential at the GND pin.

(2) Min and Max limits are specified by design, test or statistical analysis. Typical numbers represent the most likely norm.

(3) The parameters in the electrical characteristic table are tested under open loop conditions at V_IN= 3.6V unless otherwise specified. For

performance over the input voltage range and closed loop condition, refer to the datasheet curves.

Submit Documentation Feedback

Product Folder Links: LM8801

1 2 345 6 7...23

下载PDF

与LM8801相关器件

型号	品牌	描述	获取价格	数据表
LM8801_15	TI	High Precision 6MHz, 600 mA Synchronous Step-Down DC-DC Converter for Mobile Applications	获取价格
LM8801TME-1.2/NOPB	TI	High Precision 6MHz, 600 mA Synchronous Step-Down DC-DC Converter for Mobile Applications	获取价格
LM8801TME-1.82	NSC	High Precision 6MHz, 600 mA Synchronous Step-Down DC-DC Converter for Mobile Applications	获取价格
LM8801TME-1.82/NOPB	TI	High Precision 6MHz, 600 mA Synchronous Step-Down DC-DC Converter for Mobile Applications	获取价格
LM8801TME-2.9/NOPB	TI	High Precision 6MHz, 600 mA Synchronous Step-Down DC-DC Converter for Mobile Applications	获取价格
LM8801TMX-1.2/NOPB	TI	High Precision 6MHz, 600 mA Synchronous Step-Down DC-DC Converter for Mobile Applications	获取价格