參數(shù)資料
型號(hào)： MAX6441KABJWD3-T
廠商： MAXIM INTEGRATED PRODUCTS INC
元件分類： 電源管理
英文描述： True Single Supply Video Driver With Power Down; Temperature Range: -40°C to 85°C; Package: 16-QSOP T&R
中文描述： 2-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8
封裝： SOT-23, 8 PIN
文件頁(yè)數(shù)： 8/14頁(yè)
文件大?。?/td> 235K
代理商： MAX6441KABJWD3-T
M
has stabilized before power-converter or microproces-
sor activity is enabled.
These devices also have an independent μP supervisor
that monitors V
CC
and provides an active-low reset out-
put. A manual reset function is available to allow the
user to reset the μP with a push-button.
Low-Battery Output
The low-battery outputs are available in active-low
(
LBO
,
LBOL
,
LBOH
,
LBOLH
), open-drain configura-
tions. The low-battery outputs can be pulled to a volt-
age independent of V
CC
or V
BATT
, up to 5.5V. This
allows the device to monitor and operate from direct
battery voltage while interfacing to higher voltage
microprocessors.
The MAX6439/MAX6440 single-output voltage monitors
provide a single low-battery output,
LBO
. These fixed-
threshold devices assert
LBO
when V
BATT
drops below
V
LTH
and remain asserted for at least 150ms after
V
BATT
rises above V
HTH
(see Figure 2). The MAX6441/
MAX6442 triple-output voltage monitors provide three
low-battery outputs:
LBOH
,
LBOL
, and
LBOLH
.
LBOH
asserts when V
BATT
drops below V
HTH-
and remains
asserted for at least 150ms after V
BATT
rises above
V
HTH+
.
LBOL
asserts when V
BATT
drops below V
LTH-
and remains asserted for at least 150ms after V
BATT
rises above V
LTH+
.
LBOLH
asserts when V
BATT
drops
below V
LTH-
and remains asserted for at least 150ms
after V
BATT
rises above V
HTH+
(see Figure 3). For fast-
rising V
BATT
input, the
LBOL
timeout period must com-
plete before the
LBOH
/
LBOLH
timeout period begins.
Reset Output
The MAX6439
–
MAX6442 provide an active-low reset
output (
RESET
).
RESET
is asserted when the voltage at
V
CC
falls below the reset threshold level. Reset remains
asserted for the reset timeout period after V
CC
exceeds
the threshold. If V
CC
goes below the reset threshold
before the reset timeout period is completed, the inter-
nal timer restarts. The MAX6439/MAX6441 have open-
drain reset outputs, while the MAX6440/MAX6442 have
push-pull reset outputs (see Figure 4).
Low-Power, Single-/Dual-Level Battery Monitors
with Hysteresis and Integrated μP Reset
8
_______________________________________________________________________________________
5%
HYST
LTH
DETECT
V
DETECT
5%
HYST
HTH
DETECT
V
BATT
V
CC
1.23V
LBO
TIMEOUT
PERIOD
RESET
TIMEOUT
PERIOD
V
CC
LBOL
LBOH
LBOLH
RESET
MR
MAX6441
Figure 1b. Functional Diagram
MAX6440
LTH
DETECT
HTH
DETECT
R
S
Q
LBO TIMEOUT
PERIOD
RESET
TIMEOUT
PERIOD
V
DETECT
V
CC
V
CC
V
BATT
LBO
RESET
V
CC
1.23V
Q
MR
Figure 1a. Functional Diagram
相關(guān)PDF資料
PDF描述
MAX6441KABJWD7-T True Single Supply Video Driver; Temperature Range: -40°C to 85°C; Package: 16-QSOP
MAX6441KABJYD3-T True Single Supply Video Driver; Temperature Range: -40°C to 85°C; Package: 16-QSOP T&R
MAX6441KABJYD7-T True Single Supply Video Driver; Temperature Range: -40°C to 85°C; Package: 16-QSOP
MAX6441KABJZD3-T True Single Supply Video Driver; Temperature Range: -40°C to 85°C; Package: 16-QSOP
MAX6441KABJZD7-T True Single Supply Video Driver; Temperature Range: -40°C to 85°C; Package: 16-QSOP T&R
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX6441KABJWD7 制造商:Maxim Integrated Products 功能描述:LOW-POWERSINGLE/DUAL-LEVEL BATTERY - Rail/Tube
MAX6441KABJWD7+ 制造商:Maxim Integrated Products 功能描述:VOLT SUPERVISOR MONITOR 2.7V/2.835V 8PIN SOT-23 - Rail/Tube
MAX6441KABJWD7+T 功能描述:電池管理 Single Battery Monitor RoHS:否 制造商:Texas Instruments 電池類型:Li-Ion 輸出電壓:5 V 輸出電流:4.5 A 工作電源電壓:3.9 V to 17 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:VQFN-24 封裝:Reel
MAX6441KABJWD7-T 功能描述:電池管理 RoHS:否 制造商:Texas Instruments 電池類型:Li-Ion 輸出電壓:5 V 輸出電流:4.5 A 工作電源電壓:3.9 V to 17 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:VQFN-24 封裝:Reel
MAX6441KABJYD3 制造商:Maxim Integrated Products 功能描述:LOW-POWERSINGLE/DUAL-LEVEL BATTERY - Rail/Tube
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