參數(shù)資料
型號(hào)： tps3617
廠商： Texas Instruments, Inc.
英文描述： BATTERY-BACKUP SUPERVISOR FOR RAM RETENTION(TPS3617-50 為保持RAM提供電池監(jiān)控的監(jiān)控器)
中文描述： 電池備份的RAM保持（TPS3617監(jiān)管者50為保持內(nèi)存提供電池監(jiān)控的監(jiān)控器）
文件頁數(shù)： 9/15頁
文件大?。?/td> 279K
代理商： TPS3617
SLVS339B
–
DECEMBER 2000
–
REVISED DECEMBER 2002
9
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended operating conditions (unless otherwise noted)
PARAMETER
TEST CONDITIONS
VDD = 5 V
VBAT = 3.3 V
MIN
TYP
0.6
MAX
UNIT
RDS(on)
VDD to VOUT on-resistance
VBAT to VOUT on-resistance
Negative-going input threshold voltage
Negative going in ut threshold voltage
(see Note 3)
1
8
15
VIT
VPFI
TPS3617
–
50
PFI
TA =
–
40
°
C to 85
°
C
4.46
1.13
4.55
1.15
20
40
60
12
55
4.64
1.17
V
1.65 V
<
VIT
<
2.5 V
2.5 V
<
VIT
<
3.5 V
3.5 V
<
VIT
<
5..5 V
VIT
Vhys
Hysteresis
mV
PFI
VBSW (see Note 4)
VDD = 1.8 V
WDI = VDD = 5 V
WDI = 0 V, VDD = 5 V
VI
<
VDD
PFO = 0 V, VDD = 1.8 V
PFO = 0 V, VDD = 3.3 V
PFO = 0 V, VDD = 5 V
VOUT = VDD
VOUT = VBAT
VOUT = VDD
VOUT = VBAT
VI = 0 V to 5 V
IIH
IIL
II
High-level input current
Low-level input current
Input current
WDI (see Note 5)
150
–
150
25
–
0.3
–
1.1
–
2.4
40
40
0.1
0.5
μ
A
PFI
–
25
nA
IOS
Short-circuit current
Short circuit current
PFO
mA
IDD
VDDsupply current
VDD supply current
μ
A
IBAT
VBATsupply current
VBAT supply current
–
0.1
μ
A
Ci
Input capacitance
3. To ensure the best stability of the threshold voltage, a bypass capacitor (ceramic, 0.1
μ
F) should be placed near to the supply
terminals.
4. For VDD < 1.6 V, VOUT switches to VBAT regardless of VBAT.
5. For details on how to optimize current consumption when using WDI, refer to
detailed watchdog
description.
5
pF
NOTES:
timing requirements at R
L
= 1 M
,
C
L
= 50 pF, T
A
=
–
40
°
C to 85
°
C
PARAMETER
TEST CONDITIONS
VIL = VIT
–
0.2 V
VIL = 0.3 x VDD, VIH = 0.7 x VDD
MIN
TYP
MAX
UNIT
μ
s
ns
tw
Pulse width
VDD
WDI
VIH = VIT + 0.2 V,
VDD > VIT + 0.2 V
6
100
switching characteristics at R
L
= 1 M
, C
L
= 50 pF, T
A
=
–
40
°
C to 85
°
C
PARAMETER
TEST CONDITIONS
VDD
≥
VIT + 0.2 V,
See timing diagram
MIN
TYP
MAX
UNIT
td
Delay time
60
100
140
ms
t(tout)
Watchdog time-out
VDD
>
VIT + 0.2 V,
See timing diagram
0.48
0.8
1.12
s
tPHL
Propagation (delay) time high to low level output
Propagation (delay) time, high-to-low-level output
VDD to RESET
VIL = VIT
–
0.2 V,
VIH = VIT + 0.2 V
VIL = VPFI
–
0.2 V,
VIH = VPFI + 0.2 V
2
5
PFI to PFO
3
5
μ
s
Transition time
VDD to VBAT
3
相關(guān)PDF資料
PDF描述
TPS3619 BACKUP-BATTERY SUPERVISORS FOR RAM RETENTION(用于RAM數(shù)據(jù)保持的后備電源監(jiān)控器)
TPS3705 Processor Supervisory Circuits With Power-Fail(帶電源故障監(jiān)視處理機(jī)監(jiān)控電路)
TPS3707 Processor Supervisory Circuits With Power-Fail(帶電源故障監(jiān)視處理機(jī)監(jiān)控電路)
tps3800(中文) ULTRA SMALL SUPPLY VOLTAGE(超低電源電壓監(jiān)控器)
TPS3823(中文) Processor Supervisory Circuits(處理器監(jiān)控電路)
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TPS3617-50 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Battery-Backup Supervisors for RAM Retention
TPS3617-50DGK 功能描述:監(jiān)控電路 Battery-Backup for RAM Retention RoHS:否 制造商:STMicroelectronics 監(jiān)測(cè)電壓數(shù): 監(jiān)測(cè)電壓: 欠電壓閾值: 過電壓閾值: 輸出類型:Active Low, Open Drain 人工復(fù)位:Resettable 監(jiān)視器:No Watchdog 電池備用開關(guān):No Backup 上電復(fù)位延遲（典型值）:10 s 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel
TPS3617-50DGK 制造商:Texas Instruments 功能描述:BATTERY-BACKUP SVS FOR RAM RETEN
TPS3617-50DGKG4 功能描述:監(jiān)控電路 Battery-Backup for RAM Retention RoHS:否 制造商:STMicroelectronics 監(jiān)測(cè)電壓數(shù): 監(jiān)測(cè)電壓: 欠電壓閾值: 過電壓閾值: 輸出類型:Active Low, Open Drain 人工復(fù)位:Resettable 監(jiān)視器:No Watchdog 電池備用開關(guān):No Backup 上電復(fù)位延遲（典型值）:10 s 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel
TPS3617-50DGKR 功能描述:監(jiān)控電路 Battery-Backup for RAM Retention RoHS:否 制造商:STMicroelectronics 監(jiān)測(cè)電壓數(shù): 監(jiān)測(cè)電壓: 欠電壓閾值: 過電壓閾值: 輸出類型:Active Low, Open Drain 人工復(fù)位:Resettable 監(jiān)視器:No Watchdog 電池備用開關(guān):No Backup 上電復(fù)位延遲（典型值）:10 s 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel
發(fā)布緊急采購(gòu)，3分鐘左右您將得到回復(fù)。

采購(gòu)需求

(若只采購(gòu)一條型號(hào)，填寫一行即可)

發(fā)布成功！您可以繼續(xù)發(fā)布采購(gòu)。也可以進(jìn)入我的后臺(tái)，查看報(bào)價(jià)

發(fā)布成功！您可以繼續(xù)發(fā)布采購(gòu)。也可以進(jìn)入我的后臺(tái)，查看報(bào)價(jià)

*型號(hào) *數(shù)量 廠商 批號(hào) 封裝
添加更多采購(gòu)

我的聯(lián)系方式

*
*
*