LM3701 datasheet(2/12 Pages) TI

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VCC

1.225V

Reference

Reset Logic

& One-Shot

Timer

Reset Comparator

Low Line Comparator

LLO

RESET/RESET

Reset

VCC

GND

LLO

OBSOLETE

LM3700, LM3701

SNVS146E – NOVEMBER 2000 – REVISED APRIL 2013

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Connection Diagram

Figure 1. Top View (looking from the coating side)

micro SMD 9 Bump Package

BPA09

Table 1. PIN DESCRIPTIONS

Bump No.

Name

Function

VCC

Power Supply input.

RESET

Reset Logic Output. Pulses low for tRP (Reset Timeout Period) when triggered, and stays low

whenever VCC is below the reset threshold or when MR is below VMRT. It remains low for tRP

after either VCC rises above the reset threshold, or after MR input rises above VMRT (LM3700

only).

RESET

Reset Logic Output. RESET is the inverse of RESET (LM3701 only).

LLO

Low-Line Logic Output. Early Power-Fail warning output. Low when VCC falls below VLLOT (Low-

Line Output Threshold). This output can be used to generate an NMI (Non-Maskable Interrupt) to

provide an early warning of imminent power-failure.

GND

Ground reference for all signals.

A1, A2, A3, C2

No Connect.

No Connect. Test input used at factory only. Leave floating.

Block Diagram

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