ASM63812UR38TD3G datasheet, PDF

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ASM63812UR38TD3G: DescriptionPower Supply Support Circuit, Fixed, 1 Channel, PDSO3, GREEN, PLASTIC, SOT-23, 3 PIN; CategoryPower/power management The power supply circuit; File Size151KB，15 Pages; ManufacturerALSC [Alliance Semiconductor Corporation]

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ASM63812UR38TD3G Overview

Power Supply Support Circuit, Fixed, 1 Channel, PDSO3, GREEN, PLASTIC, SOT-23, 3 PIN

ASM63812UR38TD3G Parametric

Parameter Name	Attribute value
Maker	ALSC [Alliance Semiconductor Corporation]
Parts packaging code	SOT-23
package instruction	TSSOP,
Contacts	3
Reach Compliance Code	unknown
ECCN code	EAR99
Other features	RESET THRESHOLD VOLTAGE IS 3.80V
Adjustable threshold	NO
Analog Integrated Circuits - Other Types	POWER SUPPLY SUPPORT CIRCUIT
JESD-30 code	R-PDSO-G3
length	2.92 mm
Number of channels	1
Number of functions	1
Number of terminals	3
Maximum operating temperature	125 °C
Minimum operating temperature	-40 °C
Package body material	PLASTIC/EPOXY
encapsulated code	TSSOP
Package shape	RECTANGULAR
Package form	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
Certification status	Not Qualified
Maximum seat height	1.17 mm
Maximum supply voltage (Vsup)	5.5 V
Minimum supply voltage (Vsup)	1 V
surface mount	YES
Temperature level	AUTOMOTIVE
Terminal form	GULL WING
Terminal pitch	0.95 mm
Terminal location	DUAL
width	1.3 mm

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September 2005

rev

1.5

ASM6381 - ASM6390

Single/Dual Low Voltage, Low Power Microcontroller Power Supply Supervisor

General Description

The ASM6381 - ASM6390 are cost effective +1.8V to +5V

power supply supervisor circuits optimized for low-power

microprocessor (µP), microcontroller (µC) and digital systems.

They provide a reset output during power-up, power-down and

brown-out conditions. They provide excellent reliability by

eliminating external components and adjustments.

A reset signal is issued if the power supply voltage drops below

a preset reset threshold and is asserted for a minimum reset

timeout period after the supply has risen above the reset

threshold. The reset timeout periods are available from 1ms to

1200ms. The ASM6381, ASM6384 and ASM6387 have a push-

pull active-low reset output. The ASM6382, ASM6385 and

ASM6388 have a push-pull active-high reset output, and the

ASM6383, ASM6386, ASM6389 and ASM6390 have an open-

drain active-low reset output. The ASM6384, ASM6385 and

ASM6386 also feature a manual reset input.

The ASM6387, ASM6388, ASM6389 have an auxiliary input

RESET IN for monitoring a second voltage. The ASM6390

offers a manual reset input with a longer V

reset timeout

period and a shorter manual reset timeout.

The reset output state is guaranteed to be in the correct logic

state for V

down to 1V. The reset comparator is designed to

ignore fast transients on V

• Factory-set Reset Threshold Voltages ranging from +1.58V

to 4.63V.

• Monitor 1.8V to 5V supplies.

• Push-Pull Active-low reset valid with 1.0V supply.

• Small 3-pin SC-70, 4-pin SC-70, 3-pin and 5-pin SOT23

packages.

• No external components.

• Specified over full temperature range: -40°C to 125°C

• Seven Reset Timeout periods: 1ms, 20ms, 140ms, 280ms,

560ms, 1120ms, 1200ms (min).

• Low power consumption: 3µA at +1.8V.

• Auxiliary RESET IN

• Manual Reset input.

Low supply current makes the ASM6381 - ASM6390 ideal for

use in portable and battery operated equipments. The

ASM6381 - ASM6383 are available in a compact, industry

standard 3-pin SC70 package and the ASM6384 - ASM6390

are available in a compact, industry standard 4-pin SC70

package. The ASM63811, ASM63812,

3-pin and 5-pin SOT23 package.

Reset thresholds are available from +1.58V to 4.63V in

approximately 100mV increments to support +1.8V to +5V

systems.

ASM63832 are

available in 3-pin SOT23 package. ASM63813 is available in

Features:

Typical Operating Circuit

Applications

•

Embedded controllers

Portable/Battery operated systems

Intelligent instruments

Wireless communication systems

PDAs and handheld equipment

Computers

RESET IN

µP

RESET

Input

(RESET)

RESET

(RESET)

GND

Alliance Semiconductor

2575 Augustine Drive . Santa Clara, CA 95054 . Tel: 408.855.4900 . Fax: 408.855.4999 . www.alsc.com

Notice: The information in this document is subject to change without notice

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