參數(shù)資料
型號: MAX6892
廠商: Maxim Integrated Products, Inc.
英文描述: Pin-Selectable, Octal/Hex/Quad, Power-Supply Sequencers/Supervisors
中文描述: 引腳可設(shè)置八/六/四路電源排序器/監(jiān)控器
文件頁數(shù): 12/19頁
文件大?。?/td> 298K
代理商: MAX6892
M
Pin-Selectable, Octal/Hex/Quad, Power-Supply
Sequencers/Supervisors
12
______________________________________________________________________________________
Threshold Logic Inputs (TH0–TH4)
The TH0–TH4 logic inputs select the undervoltage thresh-
olds and tolerance of the IN1–IN8 inputs (MAX6892),
IN1–IN6 inputs (MAX6893), and IN1–IN4 inputs
(MAX6894). TH0–TH4 define 32 unique options for the
supervisor functionality. Connect the respective TH_ to
GND for a logic 0 or to DBP for a logic 1. Tables 1 and 2
show the 32 unique threshold options available. TH4 sets
the threshold tolerance of the undervoltage threshold. A
logic 1 selects a 5% supply tolerance and a logic 0
selects 10% supply tolerance. The MAX6892/MAX6893/
MAX6894 logic determines which thresholds should be
used for the IN inputs only at power-up. Use the voltage-
divider circuit of Figure 1 and Equation 1 to set the
threshold for the user-adjustable inputs as described in
the
Voltage Detector Inputs (IN_)
section.
Table 1. Nominal Monitored Supply Voltages
MONITORED SUPPLY VOLTAGES (V)
IN3
IN4
3.3
2.5
3
2.5
3.3
2.5
3
2.5
3.3
1.8
3
1.8
3.3
ADJ
3
ADJ
2.5
1.8
2.5
1.8
2.5
ADJ
2.5
ADJ
1.8
ADJ
1.8
ADJ
2.5
1.8
2.5
1.8
3.3
2.5
3
2.5
3.3
2.5
3
2.5
3.3
1.8
3
1.8
3.3
ADJ
3
ADJ
2.5
1.8
2.5
1.8
2.5
ADJ
2.5
ADJ
1.8
ADJ
1.8
ADJ
2.5
1.8
ADJ
ADJ
SELECTION
TH4–TH0
IN1
ADJ
ADJ
ADJ
ADJ
ADJ
ADJ
ADJ
ADJ
ADJ
ADJ
ADJ
ADJ
ADJ
ADJ
ADJ
ADJ
ADJ
ADJ
ADJ
ADJ
ADJ
ADJ
ADJ
ADJ
ADJ
ADJ
ADJ
ADJ
ADJ
ADJ
ADJ
ADJ
IN2
5
5
5
5
5
5
5
5
3.3
3
3.3
3
3.3
3
3.3
3
5
5
5
5
5
5
5
5
3.3
3
3.3
3
3.3
3
3.3
ADJ
IN5
1.8
1.8
ADJ
ADJ
ADJ
ADJ
ADJ
ADJ
ADJ
ADJ
ADJ
ADJ
ADJ
ADJ
1.5
1.5
1.8
1.8
ADJ
ADJ
ADJ
ADJ
ADJ
ADJ
ADJ
ADJ
ADJ
ADJ
ADJ
ADJ
1.5
ADJ
IN6
ADJ
ADJ
ADJ
ADJ
ADJ
ADJ
ADJ
ADJ
ADJ
ADJ
ADJ
ADJ
ADJ
ADJ
ADJ
ADJ
ADJ
ADJ
ADJ
ADJ
ADJ
ADJ
ADJ
ADJ
ADJ
ADJ
ADJ
ADJ
ADJ
ADJ
ADJ
ADJ
IN7
ADJ
ADJ
ADJ
ADJ
ADJ
ADJ
ADJ
ADJ
ADJ
ADJ
ADJ
ADJ
ADJ
ADJ
ADJ
ADJ
ADJ
ADJ
ADJ
ADJ
ADJ
ADJ
ADJ
ADJ
ADJ
ADJ
ADJ
ADJ
ADJ
ADJ
ADJ
ADJ
IN8
ADJ
ADJ
ADJ
ADJ
ADJ
ADJ
ADJ
ADJ
ADJ
ADJ
ADJ
ADJ
ADJ
ADJ
ADJ
ADJ
ADJ
ADJ
ADJ
ADJ
ADJ
ADJ
ADJ
ADJ
ADJ
ADJ
ADJ
ADJ
ADJ
ADJ
ADJ
ADJ
SUPPLY
TOLERANCE (%)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
11111
11110
11101
11100
11011
11010
11001
11000
10111
10110
10101
10100
10011
10010
10001
10000
01111
01110
01101
01100
01011
01010
01001
01000
00111
00110
00101
00100
00011
00010
00001
00000
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
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MAX6892ETJ-T 功能描述:監(jiān)控電路 RoHS:否 制造商:STMicroelectronics 監(jiān)測電壓數(shù): 監(jiān)測電壓: 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
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