ASM63812UR37TD5F datasheet, PDF

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ASM63812UR37TD5F: DescriptionPower Supply Support Circuit, Fixed, 1 Channel, PDSO3, ROHS COMPLIANT, PLASTIC, SOT-23, 3 PIN; CategoryPower/power management The power supply circuit; File Size151KB，15 Pages; ManufacturerPulseCore Semiconductor Corporation; Environmental Compliance

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ASM63812UR37TD5F Overview

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

ASM63812UR37TD5F Parametric

Parameter Name	Attribute value
Is it Rohs certified?	conform to
Maker	PulseCore Semiconductor Corporation
package instruction	ROHS COMPLIANT, PLASTIC, SOT-23, 3 PIN
Reach Compliance Code	unknown
Other features	RESET THRESHOLD VOLTAGE IS 3.70V
Adjustable threshold	NO
Analog Integrated Circuits - Other Types	POWER SUPPLY SUPPORT CIRCUIT
JESD-30 code	R-PDSO-G3
JESD-609 code	e3
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
Peak Reflow Temperature (Celsius)	260
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 surface	TIN
Terminal form	GULL WING
Terminal pitch	0.95 mm
Terminal location	DUAL
Maximum time at peak reflow temperature	40
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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