Datasheet > RT9829

RT9829

更新时间： 2024-09-19 15:50:03

品牌	Logo	应用领域
立锜 - RICHTEK		/
页数	文件大小	规格书
9页	146K
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技术参数
数据手册

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RT9829 技术参数

Status：	Active	Vin (min) (V)：	1.65
Vin (max) (V)：	5.5	VTH (min) (V)：
VTH (max) (V)：		Accuracy (±%)：
Reset Active Type：	High;Low	Reset Time-out Period (typ) (ms)：
Reset Delay Time (typ) (ms)：	12500;7500	Package Type：	WDFN-2x2-8 (COL)

RT9829 数据手册

RT9829

Dual Push-Button Reset with Push-Button Controlled

Output Delay

General Description

Features

z Dual Reset Push-Button Inputs

The RT9829 has two combined delayed reset inputs (SR0,

` User Selectable Delay Setup Time : 7.5s and 12.5s

(typ.)

SR1) with a user selectable delayed setup time (t_SRC

)

option of either 7.5s or 12.5s (typ.), selectable via the

dual-state DSR input pin. When DSR is connected to

ground, t_SRC= 7.5s (typ.); when connected to V_CC, t_SRC

= 12.5s (typ.). There are two reset outputs which become

active simultaneously after both of the reset inputs are

held active for the selected t_SRCdelay time. The outputs

remain asserted until either or both inputs go to inactive

logic level (for this device the output reset pulse duration

is fully push-button controlled, meaning neither fixed nor

minimum reset pulse width, nor power on reset pulse is

implemented). The first reset output, RST1, is active low,

open drain; the second reset output, RST2, is active high,

push-pull. The device fully operates over a broad V_CCrange

from 1.65V to 5.5V. Below 1.575V (typ.), the inputs are

ignored and the outputs are de-asserted. The de-asserted

reset output levels are then valid down to 1V.

z Push-Button Controlled Reset Pulse Duration

` No Fixed nor Minimum Pulse Width Guaranteed

z No Power On Reset

z Dual Reset Outputs

` RST1 : Active Low, Open-Drain

` RST2 : Active High, Push-Pull

z Fixed Reset Input Logic Voltage Levels

z Broad Operating Voltage Range : 1.65V to 5.5V

` Inactive Reset Output Levels Valid Down to 1V

z 2μA Low Supply Current

z Operating Temperature : −40°C to 85°C

z Small Thermally Enhanced 8-Lead WDFN Package

z RoHS Compliant and Halogen Free

Applications

z Mobile phones, Smartphones

The RT9829 is available in a tiny WDFN-8L 2x2 (COL)

package.

z e-Books

z MP3 Players

Ordering Information

RT9829

z Games

z PortableNavigationDevices

Package Type

QW : WDFN-8L 2x2 (COL)

Pin Configurations

Lead Plating System

(TOP VIEW)

G : Green (Halogen Free and Pb Free)

RST2

VSS

SR1

VCC

SR0

Note :

Richtek products are :

RST1

DSR

` RoHS compliant and compatible with the current require-

ments of IPC/JEDEC J-STD-020.

` Suitable for use in SnPb or Pb-free soldering processes.

WDFN-8L 2x2 (COL)

Marking Information

56 : Product Code

W : Date Code

56W

DS9829-00 July 2011

www.richtek.com

12 3 4 5 6 7...9

中文翻译

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