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參數(shù)資料
| 型號： | S-1009N28I-M5T1U |
| 元件分類： | 電源管理 |
| 英文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO5 |
| 封裝： | HALOGEN AND LEAD FREE, SOT-23, 5 PIN |
| 文件頁數(shù)： | 4/38頁 |
| 文件大?。?/td> | 493K |
| 代理商： | S-1009N28I-M5T1U |
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SUPER-LOW CURRENT CONSUMPTION SUPER HIGH-ACCURACY VOLTAGE DETECTOR WITH DELAY CIRCUIT (EXTERNAL DELAY TIME SETTING)
S-1009 Series
Rev.4.2_00
Seiko Instruments Inc.
12
Operation
1. Basic operation: CMOS output (Active “L”)
(1)
When the power supply voltage (VDD) is the release voltage (
+VDET) or more, the Nch transistor is OFF and
the Pch transistor is ON to output VDD (“H”). Since the Nch transistor N1 in Figure 13 is OFF, the comparator
input voltage is
(RB
+ RC ) VDD
RA
+ RB + RC
.
(2)
Although VDD decreases to
+VDET or less, the output is VDD when VDD is the detection voltage (VDET) or more.
When VDD decreases to
VDET or less (A in Figure 14), the Nch transistor is ON and the Pch transistor is
OFF so that VSS is output. The Nch transistor N1 in Figure 13 is turned on, and the input voltage to the
comparator is
RB
VDD
RA
+ RB
.
(3)
The output is indefinite by decreasing VDD to the IC’s minimum operating voltage or less. If the output is
pulled up, it will be VDD.
(4)
VSS is output by increasing VDD to the minimum operating voltage or more. Although VDD exceeds
VDET and
VDD is less than
+VDET, the output is VSS.
(5)
When increasing VDD to
+VDET or more (B in Figure 14), the Nch transistor is OFF and the Pch transistor is
ON so that VDD is output. VDD output to the OUT pin delays in tD by the delay circuit.
VSS
*1
VREF
+
OUT
VDD
CD
Delay
circuit
*1
CD
Pch
Nch
N1
RC
RA
RB
*1.
Parasiteic diode
Figure 13 Operation 1
Hysteresis width
(VHYS)
A
B
VDD
VSS
Minimum operating voltage
Output from OUT pin
VDD
VSS
(1)
(2) (3)
(5)
(4)
Release voltage (
+VDET)
Detection voltage (
VDET)
tD
Figure 14 Operation 2
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| S-1009N28I-N4T1U | 功能描述:VOLTAGE SUPERVISORY 制造商:ablic u.s.a. inc. 系列:S-1009 包裝:剪切帶（CT） 零件狀態(tài):在售 類型:電壓檢測器 受監(jiān)控電壓數(shù):1 輸出:開路漏極或開路集電極 復(fù)位:低有效 復(fù)位超時:- 電壓 - 閾值:2.8V 工作溫度:-40°C ~ 85°C（TA） 安裝類型:表面貼裝 封裝/外殼:SC-82A，SOT-343 供應(yīng)商器件封裝:SC-82AB 標(biāo)準(zhǔn)包裝:1 |
| S-1009N29I-I4T1U | 功能描述:VOLTAGE SUPERVISORY 制造商:ablic u.s.a. inc. 系列:S-1009 包裝:剪切帶（CT） 零件狀態(tài):在售 類型:電壓檢測器 受監(jiān)控電壓數(shù):1 輸出:開路漏極或開路集電極 復(fù)位:低有效 復(fù)位超時:- 電壓 - 閾值:2.9V 工作溫度:-40°C ~ 85°C（TA） 安裝類型:表面貼裝 封裝/外殼:4-SMD，扁平引線 供應(yīng)商器件封裝:SNT-4A 標(biāo)準(zhǔn)包裝:1 |
| S-1009N29I-M5T1U | 制造商:Seiko Instruments Inc (SII) 功能描述: |
| S-1009N29I-N4T1U | 功能描述:VOLTAGE SUPERVISORY 制造商:ablic u.s.a. inc. 系列:* 包裝:剪切帶（CT） 零件狀態(tài):在售 安裝類型:表面貼裝 封裝/外殼:SC-82A，SOT-343 供應(yīng)商器件封裝:SC-82AB 標(biāo)準(zhǔn)包裝:1 |
| S-1009N30I-I4T1U | 功能描述:VOLTAGE SUPERVISORY 制造商:ablic u.s.a. inc. 系列:S-1009 包裝:剪切帶（CT） 零件狀態(tài):在售 類型:電壓檢測器 受監(jiān)控電壓數(shù):1 輸出:開路漏極或開路集電極 復(fù)位:低有效 復(fù)位超時:- 電壓 - 閾值:3V 工作溫度:-40°C ~ 85°C（TA） 安裝類型:表面貼裝 封裝/外殼:4-SMD，扁平引線 供應(yīng)商器件封裝:SNT-4A 標(biāo)準(zhǔn)包裝:1 |
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