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| 型號： | S-80148CNPF-JK9TFGG |
| 元件分類： | 電源管理 |
| 英文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO4 |
| 封裝： | LEAD FREE, SNT-4 |
| 文件頁數(shù)： | 7/33頁 |
| 文件大?。?/td> | 297K |
| 代理商： | S-80148CNPF-JK9TFGG |
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ULTRA-SMALL PACKAGE HIGH-PRECISION VOLTAGE DETECTOR WITH DELAY CIRCUIT (INTERNAL DELAY TIME SETTING)
Rev.4.0_00
S-801 Series
Seiko Instruments Inc.
15
A
B
VDD
tD
VSS
Minimum operating voltage
Output from OUT pin
VDD
VSS
(1) (2)
(3)
(5)
(4)
Hysterisis width (VHYS)
Release voltage (
+VDET)
Detection voltage (
VDET)
Figure 11 Operation 2
2. Delay Circuit
2-1. Delay Time
The delay circuit delays the output signal from the time at which the power voltage (VDD)
exceeds the release voltage (
+VDET) when VDD is turned on. The output signal is not delayed
when the VDD goes below the detection voltage (–VDET). (Refer to Figure 11.)
The delay time (tD) is a fixed value that is determined by a built-in oscillation circuit and
counter.
2-2. DS Pin (ON/OFF Switch Pin for Delay Time)
The DS pin should be connected to Low or High. When the DS pin is High, the output delay
time becomes short since the output signal is taken from the middle of counter circuit (Refer to
Figure 16).
3. Other Characteristics
3-1. Temperature Characteristics of Detection Voltage
The shaded area in Figure 12 shows the temperature characteristics of the detection voltage.
–40
25
+0.792 mV/°C
2.200
85
Ta [
°C]
–0.792 mV/
°C
–VDET [V]
Figure 12 Temperature Characteristics of Detection Voltage (Example for S-80122xxxx)
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| S-80149ALMC-JBAT2G | 功能描述:電壓監(jiān)測器/監(jiān)控器 Volt Detect Built-in Delay 1.3uA Iq RoHS:否 制造商:Texas Instruments 監(jiān)測電壓數(shù):2 監(jiān)測電壓:Adjustable 輸出類型:Open Drain 欠電壓閾值: 過電壓閾值: 準(zhǔn)確性:1 % 工作電源電壓:1.5 V to 6.5 V 工作電源電流:1.8 uA 最大工作溫度:+ 125 C 封裝 / 箱體:SON-6 安裝風(fēng)格:SMD/SMT |
| S-80149ALPF-JBATFG | 功能描述:電壓監(jiān)測器/監(jiān)控器 Volt Detect Built-in Delay 1.3uA Iq RoHS:否 制造商:Texas Instruments 監(jiān)測電壓數(shù):2 監(jiān)測電壓:Adjustable 輸出類型:Open Drain 欠電壓閾值: 過電壓閾值: 準(zhǔn)確性:1 % 工作電源電壓:1.5 V to 6.5 V 工作電源電流:1.8 uA 最大工作溫度:+ 125 C 封裝 / 箱體:SON-6 安裝風(fēng)格:SMD/SMT |
| S-80149ANMC-JDAT2G | 功能描述:電壓監(jiān)測器/監(jiān)控器 Volt Detect Built-in Delay 1.3uA Iq RoHS:否 制造商:Texas Instruments 監(jiān)測電壓數(shù):2 監(jiān)測電壓:Adjustable 輸出類型:Open Drain 欠電壓閾值: 過電壓閾值: 準(zhǔn)確性:1 % 工作電源電壓:1.5 V to 6.5 V 工作電源電流:1.8 uA 最大工作溫度:+ 125 C 封裝 / 箱體:SON-6 安裝風(fēng)格:SMD/SMT |
| S-80149ANPF-JDATFG | 功能描述:電壓監(jiān)測器/監(jiān)控器 Volt Detect Built-in Delay 1.3uA Iq RoHS:否 制造商:Texas Instruments 監(jiān)測電壓數(shù):2 監(jiān)測電壓:Adjustable 輸出類型:Open Drain 欠電壓閾值: 過電壓閾值: 準(zhǔn)確性:1 % 工作電源電壓:1.5 V to 6.5 V 工作電源電流:1.8 uA 最大工作溫度:+ 125 C 封裝 / 箱體:SON-6 安裝風(fēng)格:SMD/SMT |
| S-80149BLMC-JFAT2G | 功能描述:電壓監(jiān)測器/監(jiān)控器 Volt Detect Built-in Delay 1.3uA Iq RoHS:否 制造商:Texas Instruments 監(jiān)測電壓數(shù):2 監(jiān)測電壓:Adjustable 輸出類型:Open Drain 欠電壓閾值: 過電壓閾值: 準(zhǔn)確性:1 % 工作電源電壓:1.5 V to 6.5 V 工作電源電流:1.8 uA 最大工作溫度:+ 125 C 封裝 / 箱體:SON-6 安裝風(fēng)格:SMD/SMT |
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