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參數(shù)資料
| 型號： | LTC2905ITS8#TRMPB |
| 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)： | 14/16頁 |
| 文件大?。?/td> | 152K |
| 代理商： | LTC2905ITS8#TRMPB |
LTC2904/LTC2905
7
29045fb
UU
U
PI FU CTIO S (TS8 Package/DDB8 Package)
V2 (Pin 1/Pin 4): Voltage Input 2. Input for V2 monitor.
Select from 3.3V, 2.5V, 1.8V, 1.5V, 1.2V or 1.0V. Refer to
Table 1 for details. The greater of V1, V2 is also the internal
supply voltage, VCC. Bypass this pin to ground with a 0.1μF
(or greater) capacitor.
RST (Pin 2/Pin 3): (LTC2904 Only) Reset Logic Output.
When all voltage inputs are above the reset threshold for
at least the programmed delay time, this pin pulls low. This
pin has a weak pull-up to VCC and may be pulled above VCC
using an external pull-up.
TMR (Pin 2/Pin 3): (LTC2905 Only) Reset Delay Time
Programming Pin. Attach an external capacitor (CTMR) to
GND to set a reset delay time of 9ms/nF. Leaving the pin
open generates a minimum delay of approximately 200μs.
A 22nF capacitor will generate a 200ms reset delay time.
RST (Pin 3/Pin 2): Inverted Reset Logic Output. Pulls low
when any voltage input is below the reset threshold and is
held low for programmed delay time after all voltage
inputs are above threshold. This pin has a weak pull-up
to VCC and may be pulled above VCC using an external
pull-up.
GND (Pin 4/Pin 1, Pin 9): Ground.
TOL (Pin 5/Pin 8): Three-state Input for Supply Tolerance
Selection (5%, 7.5% or 10%). See the Applications Infor-
mation section for tolerance selection chart (Table 2).
S1 (Pin 6/Pin 7): Voltage Threshold Select Three-State
Input. Connect to V1, GND or leave unconnected in open
state (See Table 1).
S2 (Pin 7/Pin 6): The Second Voltage Threshold Select
Three-State Input. Connect to V1, GND or leave uncon-
nected in open state (See Table 1).
V1 (Pin 8/Pin 5): Voltage Input 1. Input for V1 monitor.
Select from 5V, 3.3V, or 2.5V. See Table 1 for details. The
greater of V1, V2 is also the internal supply voltage, VCC.
Bypass this pin to ground with a 0.1μF (or greater)
capacitor.
–
+
–
+
200ms
RESET PULSE
GENERATOR
THREE-STATE DECODER
RESISTOR
NETWORK
POWER
DETECT
BAND GAP
REFERENCE
VCC
LTC2904
2904 BD
S1
TOL
S2
RST
VCC
GND
V1
V2
6μA
BLOCK DIAGRA
W
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| LTC2905ITS8TRMPBF | 制造商:Linear Technology 功能描述:Volt Supervisor Monitor 3.3V/5V TSOT23-8 |
| LTC2906CDDB#PBF | 制造商:Linear Technology 功能描述:Volt Supervisor Monitor 2.5V/3.3V/5V 8-Pin DFN EP |
| LTC2906CDDB#TR | 功能描述:IC MONITOR DUAL SUPPLY PREC 8DFN RoHS:否 類別:集成電路 (IC) >> PMIC - 監(jiān)控器 系列:- 標準包裝: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 復位:高有效/低有效 復位超時: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） 供應商設備封裝:16-SOIC W 包裝:帶卷 (TR) 其它名稱:ADM691ARZ-REEL7TR |
| LTC2906CDDB#TRM | 功能描述:IC MONITOR DUAL SUPPLY PREC 8DFN RoHS:否 類別:集成電路 (IC) >> PMIC - 監(jiān)控器 系列:- 標準包裝: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 復位:高有效/低有效 復位超時: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） 供應商設備封裝:16-SOIC W 包裝:帶卷 (TR) 其它名稱:ADM691ARZ-REEL7TR |
| LTC2906CDDB#TRMPBF | 功能描述:IC MONITOR DUAL SUPPLY PREC 8DFN RoHS:是 類別:集成電路 (IC) >> PMIC - 監(jiān)控器 系列:- 標準包裝: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 復位:高有效/低有效 復位超時: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） 供應商設備封裝:16-SOIC W 包裝:帶卷 (TR) 其它名稱:ADM691ARZ-REEL7TR |
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