Datasheet > 16MV4700WX

16MV4700WX

更新时间： 2022-11-25 14:14:19

品牌	Logo	应用领域
美国国家半导体 - NSC		稳压器控制器
页数	文件大小	规格书
22页	597K
描述
N-Channel FET Synchronous Buck Regulator Controller for Low Output Voltages

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数据手册

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16MV4700WX 数据手册

Electrical Characteristics (Continued)

V_CC= 5V unless otherwise indicated. Typicals and limits appearing in plain type apply for T_A=T_J=+25˚C. Limits appearing in

boldface type apply over full Operating Temperature Range. Datasheet min/max specification limits are guaranteed by design,

test, or statistical analysis.

Symbol

GATE DRIVE

I_Q-BOOT

Parameter

Conditions

Min

Typ

Max

Units

BOOT Pin Quiescent Current

BOOTV = 12V, EN = 0

0˚C to +125˚C

160

215

µA

-40˚C to +125˚C

R_DS1

R_DS2

Top FET Driver Pull-Up ON

resistance

BOOT-SW = 5V 350mA

Ω

Top FET Driver Pull-Down ON

resistance

BOOT-SW = 5V 350mA

R_DS3

Bottom FET Driver Pull-Up ON

resistance

BOOT-SW = 5V 350mA

R_DS4

Bottom FET Driver Pull-Down

ON resistance

BOOT-SW = 5V 350mA

OSCILLATOR

R_FADJ= 590kΩ

300

600

1400

2000

R_FADJ= 88.7kΩ

R_FADJ= 42.2kΩ, 0˚C to +125˚C

R_FADJ= 42.2kΩ, -40˚C to +125˚C

R_FADJ= 17.4kΩ

500

490

700

f_OSC

PWM Frequency

Max Duty Cycle

kHz

R_FADJ= 11.3kΩ

f_PWM= 300kHz

f_PWM= 600kHz

LOGIC INPUTS AND OUTPUTS

V_SD-IH

V_SD-IL

SD Pin Logic High Trip Point

SD Pin Logic Low Trip Point

2.6

1.6

3.5

0˚C to +125˚C

1.3

1.25

-40˚C to +125˚C

FB Voltage Going Down

0˚C to +125˚C

V_PWGD-TH-LOPWGD Pin Trip Points

V_PWGD-TH-HIPWGD Pin Trip Points

0.413

0.410

0.430

0.446

-40˚C to +125˚C

FB Voltage Going Up

0˚C to +125˚C

0.691

0.688

0.710

0.734

-40˚C to +125˚C

V_PWGD-HYSPWGD Hysteresis (LM2737 only) FB Voltage Going Down FB Voltage

Going Up

110

Note 1: Absolute maximum ratings indicate limits beyond which damage to the device may occur. Operating ratings indicate conditions for which the device

operates correctly. Opearting Ratings do not imply guaranteed performance limits.

Note 2: The human body model is a 100pF capacitor discharged through a 1.5k resistor into each pin.

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