參數(shù)資料
型號(hào)： MAX6339IUT-T
廠(chǎng)商： MAXIM INTEGRATED PRODUCTS INC
元件分類(lèi)： 電源管理
英文描述： Analog IC
中文描述： 4-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO6
封裝： MO-178AB, SOT-23, 6 PIN
文件頁(yè)數(shù)： 7/9頁(yè)
文件大小： 283K
代理商： MAX6339IUT-T
MAX6339
Quad Voltage P Supervisory Circuit
in SOT Package
_______________________________________________________________________________________
7
For -VIN = -12V nominal, VINTH = -11.1V, VTH = -4.63V,
and R2 = 2.49k
,
R1 = 2.49k
[(-11.1 / -4.63) -1]
R1 = 3.48k
Power-Supply Bypassing and Grounding
The MAX6339 is normally powered from the monitored
IN2 supply input. All monitor inputs are immune to short
supply transients. If higher immunity is desired in noisy
applications, connect 0.1F bypass capacitors from the
IN2 input to ground. Additionally, capacitance can be
added to IN1, IN3, and IN4 to increase their noise
immunity.
Chip Information
TRANSISTOR COUNT: 896
PROCESS: BiCMOS
Figure 2. RESET Output Timing Diagram
Figure 4. Setting the Auxiliary Monitor
VTH_
90%
10%
IN_
VTH_
RESET
tRP
tRD
R1 = R2
(
- 1
)
VINTH
1.23
VREF = 1.23V
R2
R1
VINTH
Figure 3. Interfacing to Different Logic Supply Voltage
IN2
GND
IN2 = +3.3V
+5V
MAX6339
VCC
GND
RESET
100k
Pin Configuration
Figure 5. Negative Voltage Monitoring Beyond -5V
R1 = R2
×
[(
)-1]
VINTH
VTH
VREF = 1.23V
R1
R2
-5V
VINTH
IN2
IN4
IN3
16
RESET
5
GND
IN1
MAX6339
SOT23
TOP VIEW
2
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