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參數(shù)資料
| 型號(hào)： | LTC2922 |
| 廠商： | Linear Technology Corporation |
| 英文描述： | Precision Quad Supply Monitor in 6-Lead SOT-23 |
| 中文描述： | 精密四電源監(jiān)視器6引腳SOT - 23 |
| 文件頁數(shù)： | 1/16頁 |
| 文件大?。?/td> | 187K |
| 代理商： | LTC2922 |
1
LTC2903-1
29031f
I
Multivoltage Systems
I
Optical Networking Systems
I
Cell Phone Base Stations
I
Network Servers
Precision Quad Supply
Monitor in 6-Lead SOT-23
, LTC and LT are registered trademarks of Linear Technology Corporation.
ThinSOT is a trademark of Linear Technology Corporation.
I
Ultralow Voltage Reset: V
CC
= 0.5V Guaranteed
I
Monitor Four Inputs Simultaneously
3.3V, 2.5V, 1.8V, ADJ (LTC2903-A1)
5V, 3.3V, 2.5V, 1.8V (LTC2903-B1)
5V, 3.3V, 1.8V, –5.2V (LTC2903-C1)
I
Guaranteed Threshold Accuracy:
±
1.5% of
Monitored Voltage over Temperature
I
10% Undervoltage Monitoring
I
Low Supply Current: 20
μ
A Typical
I
200ms Reset Time Delay
I
Active Low Open-Drain RST Output
I
Power Supply Glitch Immunity
I
Low Profile (1mm) SOT-23 (ThinSOT
TM
) Package
The LTC
2903-1 monitors up to four supply voltages. The
common reset output remains low until all four inputs
have been in compliance for 200ms. Voltage thresholds
maintain
±
1.5% accuracy over temperature (with respect
to the monitored voltage). The LTC2903-1 features an
open-drain RST output with a weak internal pullup.
Internal supply voltage (V
CC
) is generated from the greater
voltage on the V1, V2 inputs. The RST output is guaranteed
to sink at least 5
μ
A (V
OL
= 0.15V) for V1, V2 or V3 down
to 0.5V and will typically conduct current down to 0V.
Quiescent current is 20
μ
A typical, making the LTC2903-1
ideal for power conscious systems. The LTC2903-1 is
available in a 6-lead low profile (1mm) SOT-23 package.
V
IN
, INPUT SUPPLY VOLTAGE (V)
0
R
0.06
0.08
0.10
0.8
2903 TA01b
0.04
0.02
0.05
0.07
0.09
0.03
0.01
0
0.2
0.1
1
μ
A
0.4
0.3
0.6 0.7
0.9
0.5
1
2
μ
A
5
μ
A
20
μ
A
V
IN
= V1 = V2 = V3
10
μ
A
Low Voltage Reset Pull-Down Performance
vs External Pull-Up Current and Input Supply Voltage
FEATURES
DESCRIPTIOU
APPLICATIU
TYPICAL APPLICATIO
U
V1
GND
V2
RST
V4
V3
LTC2903-B1
C1
0.1
μ
F
1.8V
C2
0.1
μ
F
2903 TA01
2.5V
3.3V
5V
DC/DC
CONVERTER
SYSTEM
LOGIC
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參數(shù)描述 |
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| LTC2922CF | 功能描述:IC 5 PWR SUPPLY MONITOR 20TSSOP RoHS:否 類別:集成電路 (IC) >> PMIC - 電源控制器，監(jiān)視器 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:2,500 系列:- 應(yīng)用:多相控制器 輸入電壓:- 電源電壓:9 V ~ 14 V 電流 - 電源:- 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:40-WFQFN 裸露焊盤 供應(yīng)商設(shè)備封裝:40-TQFN-EP（5x5） 包裝:帶卷 (TR) |
| LTC2922CF#PBF | 功能描述:IC 5 PWR SUPPLY MONITOR 20TSSOP RoHS:是 類別:集成電路 (IC) >> PMIC - 電源控制器，監(jiān)視器 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:2,500 系列:- 應(yīng)用:多相控制器 輸入電壓:- 電源電壓:9 V ~ 14 V 電流 - 電源:- 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:40-WFQFN 裸露焊盤 供應(yīng)商設(shè)備封裝:40-TQFN-EP（5x5） 包裝:帶卷 (TR) |
| LTC2922CF#TR | 功能描述:IC 5 PWR SUPPLY MONITOR 20TSSOP RoHS:否 類別:集成電路 (IC) >> PMIC - 電源控制器，監(jiān)視器 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:2,500 系列:- 應(yīng)用:多相控制器 輸入電壓:- 電源電壓:9 V ~ 14 V 電流 - 電源:- 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:40-WFQFN 裸露焊盤 供應(yīng)商設(shè)備封裝:40-TQFN-EP（5x5） 包裝:帶卷 (TR) |
| LTC2922CF#TRPBF | 功能描述:IC 5 PWR SUPPLY MONITOR 20TSSOP RoHS:是 類別:集成電路 (IC) >> PMIC - 電源控制器，監(jiān)視器 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:2,500 系列:- 應(yīng)用:多相控制器 輸入電壓:- 電源電壓:9 V ~ 14 V 電流 - 電源:- 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:40-WFQFN 裸露焊盤 供應(yīng)商設(shè)備封裝:40-TQFN-EP（5x5） 包裝:帶卷 (TR) |
| LTC2922CF-2.5 | 功能描述:IC 5 PWR SUPPLY MONITOR 20TSSOP RoHS:否 類別:集成電路 (IC) >> PMIC - 電源控制器，監(jiān)視器 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:2,500 系列:- 應(yīng)用:多相控制器 輸入電壓:- 電源電壓:9 V ~ 14 V 電流 - 電源:- 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:40-WFQFN 裸露焊盤 供應(yīng)商設(shè)備封裝:40-TQFN-EP（5x5） 包裝:帶卷 (TR) |
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