SRC0 datasheet(1/48 Pages) STMICROELECTRONICS

部件名	SRC0

功能描述	Power-up duration determined primarily by push-button press

PDF	48 Pages

Scroll/Zoom	100%

制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

标志

1 / 48 page

This is information on a product in full production.

May 2014

DocID026008 Rev 2

1/48

SRC0

Smart push-button on/off controller with Smart Reset™ and

power-on lockout

Datasheet

- production data

Features

 Operating voltage 1.6 V to 5.5 V

 Low standby current of 0.6 µA

 Adjustable Smart Reset™ assertion delay time

driven by external CSRD

 Power-up duration determined primarily by

push-button press

 Debounced PB and SR inputs

 PB and SR ESD inputs withstand voltage up to

±15 kV (air discharge) ±8 kV (contact

discharge)

 Active high or active low enable output option

(EN or EN) provides control of MOSFET, DC-

DC converter, regulator, etc.

 Secure startup, interrupt, Smart Reset™ or

power-down driven by push-button

 Precise 1.5 V voltage reference with 1%

accuracy

 Industrial operating temperature -40 to +85 °C

 Available in TDFN12 2 x 3 mm package

Applications

 Wearable

 Activity tracker

 Smartwatch

 Smartglasses

TDFN12

Table 1. Device summary

Device

RST

CSRD

PB / SR

EN or EN

INT

Startup process

SRC0

open drain(1)

3

push-pull

open drain(1)

PB must be held low until the

PSHOLD

(2) confirmation

1.

External pull-up resistor needs to be connected to open drain outputs.

2.

For a successful startup, the PSHOLD (Power Supply Hold) needs to be pulled high within specific time, tON_BLANK.

www.st.com

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