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参数资料
| 型号： | LM3710XTBP-308 |
| 厂商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分类： | 电源管理 |
| 英文描述： | 2-CHANNEL POWER SUPPLY MANAGEMENT CKT, PBGA9 |
| 封装： | MICRO, BUMP, SMD-9 |
| 文件页数： | 9/16页 |
| 文件大小： | 319K |
| 代理商： | LM3710XTBP-308 |
Connection Diagram
MSOP-10
Top View
(looking from the coating side)
micro SMD 9 Bump Package
BPA09
20011802
20011801
Pin Descriptions
Pin No.
Name
Function
micro
SMD
MSOP
A1
2
MR
Manual-Reset input. When MR is less than V
MRT (Manual Reset Threshold)
RESET/RESET is engaged.
B1
1
V
CC
Power Supply input.
C1
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).
C2
8
PFO
Power-Fail Logic Output. When PFI is below V
PFT, PFO goes low; otherwise, PFO
remains high.
C3
7
LLO
Low-Line Logic Output. Early Power-Fail warning output. Low when V
CC 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.
B3
5
GND
Ground reference for all signals.
A3
4
WDI
Watchdog Input Transition Monitor: If no transition activity occurs for a period exceeding
t
WD (Watchdog Timeout Period), reset is engaged.
A2
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.
B2
6, 9
NC
No Connect. Test input used at factory only. Leave floating.
LM3710/LM371
1
www.national.com
2
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