參數(shù)資料
型號: LM3711YHBP-308
廠商: NATIONAL SEMICONDUCTOR CORP
元件分類: 電源管理
英文描述: 1-CHANNEL POWER SUPPLY SUPPORT CKT, PBGA9
封裝: MICRO, SMD-9
文件頁數(shù): 10/17頁
文件大小: 282K
代理商: LM3711YHBP-308
Connection Diagram
Pin Description
Pin No.
Name
Function
micro
SMD
MSOP
12
MR
Manual-Reset input. When MR is less than V
MRT (Manual Reset Threshold)
RESET/RESET is engaged.
21
V
CC
Power Supply input.
3
10
RESET
Reset Logic Output. Pulses low for t
RP (Reset Timeout Period) when triggered, and
stays low whenever V
CC is below the reset threshold or when MR is below VMRT.It
remains low for t
RP after either VCC rises above the reset threshold, or after MR input
rises above V
MRT (LM3710 only).
RESET
Reset Logic Output. RESET is the inverse of RESET (LM3711 only).
4
8
PFO
Power-Fail Logic Output. When PFI is below V
PFT, PFO goes low; otherwise, PFO
remains high.
5
7
LLO
Low-Line Logic Output. Early Power-Fail warning output. Low when V
CC falls below
V
LLOT (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.
6
5
GND
Ground reference for all signals.
7
4
WDI
Watchdog Input Transition Monitor: If no transition activity occurs for a period exceeding
t
WD (Watchdog Timeout Period), reset is engaged.
8
3
PFI
Power-Fail Comparator Input. When PFI is less than V
PFT (Power-Fail Reset Threshold),
the PFO goes low; otherwise, PFO remains high.
9
6, 9
NC
No Connect. Test input used at factory only. Leave floating.
MSOP-10
DS200118-2
Top View
(looking from the coating side)
micro SMD 9 Bump Package
BPA09
DS200118-1
LM3710/LM371
1
www.national.com
2
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