STM1831 datasheet(4/24 Pages) STMICROELECTRONICS

tên linh kiện	STM1831

Giải thích chi tiết về linh kiện	Voltage detector with sense input and external delay capacitor

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nhà sản xuất	STMICROELECTRONICS [STMicroelectronics]

Trang chủ	http://www.st.com

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4 / 24 page

List of figures

STM1831

4/24

Doc ID 18180 Rev 1

List of figures

Figure 1.

Logic diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Figure 2.

SOT23-5 pin connections (top view). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Figure 3.

Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Figure 4.

Application hookup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Figure 5.

Timing waveforms. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Figure 6.

Supply current vs. sense voltage, VCC = 3.0 V, VDET = 2.0 V . . . . . . . . . . . . . . . . . . . . . . . 9

Figure 7.

Supply current vs. input voltage, VSEN = 1.9 V (RST asserted) . . . . . . . . . . . . . . . . . . . . . . 9

Figure 8.

Detect voltage vs. ambient temperature, VDET = 2.4 V . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Figure 9.

Detect voltage vs. supply voltage, VDET = 2.4 V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Figure 10.

Hysteresis voltage vs. ambient temperature, VDET = 2.4 V . . . . . . . . . . . . . . . . . . . . . . . . 11

Figure 11.

CD pin sink current vs. supply voltage, VSEN = 0 V, VCD = 0.5 V . . . . . . . . . . . . . . . . . . . . 11

Figure 12.

Output voltage vs. sense voltage, VDET = 2.4 V, TA = 25 °C, external pull-up resistor

on RST is 100 k

Ω, CD pin open . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

Figure 13.

Output voltage vs. supply voltage, VSEN = VCC, external pull-up resistor

on RST is 100 k

Ω, CD pin open . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

Figure 14.

Output current vs. supply voltage, VSEN = 0 V, VRST = 0.5 V. . . . . . . . . . . . . . . . . . . . . . . 13

Figure 15.

Relative delay resistance vs. ambient temperature, VCC = 5 V, VSEN = 6 V, VCD = 0 V . . 13

Figure 16.

Release delay time vs. delay capacitance, TA = 25 °C. . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

Figure 17.

Detect delay time vs. delay capacitance, TA = 25 °C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

Figure 18.

RST output leakage current vs. ambient temperature,

VCC = VSEN = VOUT = 6.0 V, CD pin open . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

Figure 19.

RST output leakage current vs. output voltage, VCC = VSEN = 6.0 V,

TA = 85 °C, CD pin open . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

Figure 20.

Sense current vs. supply voltage, VSEN = 1.9 V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

Figure 21.

Sense current vs. ambient temperature, VCC = VSEN = 5 V . . . . . . . . . . . . . . . . . . . . . . . . 16

Figure 22.

AC testing input/output waveforms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

Figure 23.

SOT23-5 - 5-lead small outline transistor package mechanical drawing . . . . . . . . . . . . . . 21

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nhà sản xuất	tên linh kiện	bảng dữ liệu	Giải thích chi tiết về linh kiện
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