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参数资料
| 型号： | LM3713YJBPX-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, SMD-9 |
| 文件页数： | 7/14页 |
| 文件大小： | 218K |
| 代理商： | LM3713YJBPX-308 |
Connection Diagram
Top View
(looking from the coating side)
micro SMD 9 Bump Package
BPA09
20011901
Pin Description
Bump No.
Name
Function
1MR
Manual-Reset input. When MR is less than V
MRT (Manual Reset Threshold)
RESET/RESET is engaged.
2V
CC
Power Supply input.
3
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 (LM3712 only).
RESET
Reset Logic Output. RESET is the inverse of RESET (LM3713 only).
4
PFO
Power-Fail Logic Output. When PFI is below V
PFT PFO goes low; otherwise, PFO remains
high.
5
WDO
Watchdog Output. If no digital activity is detected on WDI (Watchdog Input) for a period
exceeding t
WD, this output pulls low.
6
GND
Ground reference for all signals.
7
WDI
Watchdog Input Transition Monitor: If no transition activity occurs for a period exceeding
t
WD (Watchdog Timeout Period), reset is engaged.
8
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
NC
No Connect. Bump 9 is test input used at factory only. Leave floating.
LM3712/LM3713
www.national.com
2
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