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參數(shù)資料
| 型號： | LTC2912HTS8-2#PBF |
| 廠商： | LINEAR TECHNOLOGY CORP |
| 元件分類： | 電源管理 |
| 英文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8 |
| 封裝： | LEAD FREE, PLASTIC, MO-193, TSOT-23, 8 PIN |
| 文件頁數(shù)： | 9/12頁 |
| 文件大小： | 168K |
| 代理商： | LTC2912HTS8-2#PBF |
LTC2912
6
2912fa
BLOCK DIAGRAM
0.5V
+
–
3
VL
2
+
–
VH
+
–
UVLO
2V
VCC
+
–
1V
VCC
OV PULSE
GENERATOR
DISABLE
OV LATCH
CLEAR/BYPASS
LTC2912-1, LTC2912-3
TMR
VCC
4
OV/OV
6
LATCH
8
+
–
1V
2μA
DIS
8
GND
2912 BD
5
1
UV PULSE
GENERATOR
OSCILLATOR
VCC
400k
UV
7
400k
LTC2912-1
LTC2912-2
LTC2912-3
LTC2912-2
OV (Pin 6/Pin 3, LTC2912-3): Overvoltage Logic Output.
Asserts high with a weak internal pull-up to VCC when the
VL input is above threshold. Latches high. May be pulled
above VCC using an external pull-up. Leave pin open if
unused.
TMR (Pin 4/Pin 5): Reset Delay Timer. Attach an external
capacitor (CTMR) of at least 10pF to GND to set a reset
delay time of 9ms/nF. A 1nF capacitor will generate an
8.5ms reset delay time. Tie pin to VCC to bypass timer.
UV (Pin 7/Pin 2): Undervoltage Logic Output. Asserts low
when the VH input voltage is below threshold. Held low for
a programmed delay time after the VH input is valid. Pin
has a weak pull-up to VCC and may be pulled above VCC
using an external pull-up. Leave pin open if unused.
VCC (Pin 1/Pin 8): Supply Voltage. Bypass this pin to
GND with a 0.1μF (or greater) capacitor. Operates as a
direct supply input for voltages up to 6V. Operates as a
shunt regulator for supply voltages greater than 6V and
should have a resistance between the pin and the supply
to limit input current to no greater than 10mA. When used
without a current-limiting resistance, pin voltage must
not exceed 6V.
VH (Pin 2/Pin 7): Voltage High Input. When the voltage
on this pin is below 0.5V, an undervoltage condition is
triggered. Tie pin to VCC if unused.
VL (Pin 3/Pin 6): Voltage Low Input. When the voltage on
this pin is above 0.5V, an overvoltage condition is triggered.
Tie pin to GND if unused.
PIN FUNCTIONS (DFN/TSOT Packages)
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| LTC2912HDDB-2 | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8 |
| LTC2912IDDB-1 | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8 |
| LTC2912IDDB-2 | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8 |
| LTC2912ITS8-3 | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8 |
| LTC2912HTS8-1#PBF | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8 |
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| LTC2912IDDB-1#TRMPBF | 功能描述:IC VOLT MONITOR SNGL 8-DFN RoHS:是 類別:集成電路 (IC) >> PMIC - 監(jiān)控器 系列:- 標(biāo)準(zhǔn)包裝:400 系列:- 類型:備用電池電路 監(jiān)視電壓數(shù)目:1 輸出:開路漏極，推挽式 復(fù)位:高有效/低有效 復(fù)位超時:最小為 35 ms 電壓 - 閥值:4.65V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:16-SOIC（0.295"，7.50mm 寬） 供應(yīng)商設(shè)備封裝:16-SOIC W 包裝:帶卷 (TR) 其它名稱:ADM691ARZ-REEL7TR |
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| LTC2912IDDB-2#PBF | 制造商:Linear Technology 功能描述:MS-System Monitor/Supervisor, Cut Tape Single UV/OV Monitor |
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