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MM5450 डेटा पत्रक PDF( Datasheet डाउनलोड )


डेटा पत्रक - LED Display Drivers - National

भाग संख्या MM5450
समारोह LED Display Drivers
मैन्युफैक्चरर्स National 
लोगो National लोगो 
पूर्व दर्शन
1 Page
		
<?=MM5450?> डेटा पत्रक पीडीएफ

MM5450 pdf
Absolute Maximum Ratings
If Military Aerospace specified devices are required
please contact the National Semiconductor Sales
Office Distributors for availability and specifications
Voltage at Any Pin
Operating Temperature
VSS b 0 3V to VSS a 12V
b25 C to a85 C
Storage Temperature
b65 C to a150 C
Junction Temperature
a150 C
Lead Temperature (Soldering 10 sec )
300 C
Power Dissipation at a25 C
Molded DIP Package Board Mount
2 5W
Molded DIP Package Socket Mount
2 3W
Molded DIP Package board mount iJA e 49 C W
Derate 20 4 mW C above 25 C
Molded DIP Package socket mount iJA e 54 C W
Derate 18 5 mW C above 25 C
Electrical Characteristics TA within operating range VDD e 4 75V to 11 0V VSS e 0V unless otherwise specified
Parameter
Conditions
Min Typ Max Units
Power Supply
4 75
11 V
Power Supply Current
Excluding Output Loads
7 mA
Input Voltages
Logical ‘‘0’’ Level (VL)
Logical ‘‘1’’ Level (VH)
Brightness Input (Note 2)
g10 mA Input Bias
4 75V s VDD s 5 25V
VDD l 5 25V
b0 3
22
VDD b 2V
0
08
VDD
VDD
0 75
V
V
V
mA
Output Sink Current
Segment OFF
Segment ON
VOUT e 3 0V
VOUT e 1V (Note 3)
Brightness Input e 0 mA
Brightness Input e 100 mA
Brightness Input e 750 mA
0
20
15
10
10
27 4
25
mA
mA
mA
mA
Brightness Input Voltage (Pin 19)
Input Current 750 mA
30
43 V
Output Matching (Note 1)
g 20
%
Clock Input
Frequency fC
High Time th
Low Time tl
(Notes 5 and 6)
950
950
500 kHz
ns
ns
Data Input
Set-Up Time tDS
Hold Time tDH
300 ns
300 ns
Data Enable Input
Set-Up Time tDES
100 ns
Note 1 Output matching is calculated as the percent variation (IMAX a IMIN) 2
Note 2 With a fixed resistor on the brightness input pin some variation in brightness will occur from one device to another Maximum brightness input current can
be 2 mA as long as Note 3 and junction temperature equation are complied with
Note 3 See Figures 5 6 and 7 for Recommended Operating Conditions and limits Absolute maximum for each output should be limited to 40 mA
Note 4 The VOUT voltage should be regulated by the user See Figures 6 and 7 for allowable VOUT vs IOUT operation
Note 5 AC input waveform specification for test purpose tr s 20 ns tf s 20 ns f e 500 kHz 50% g10% duty cycle
Note 6 Clock input rise and fall times must not exceed 300 ns
Connection Diagrams
Dual-In-Line Package
Dual-In-Line Package
Top View
TL F 6136–2
Top View
FIGURE 2a
FIGURE 2b
Order Number MM5450N MM5451N MM5450V or MM5451V
See NS Package Number N40A or V44A
2
TL F 6136–3

विन्यास 8 पेज
डाउनलोड[ MM5450 Datasheet.PDF ]


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