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LM27403SQ Datasheet(PDF) 10 Page - Texas Instruments

Part # LM27403SQ
Description  Synchronous Buck Controller with Temperature-Compensated, Inductor-DCR-Based Overcurrent Protection and Programmable Thermal Shutdown
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

LM27403SQ Datasheet(HTML) 10 Page - Texas Instruments

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6
8
10
12
14
16
-50
-25
0
25
50
75
100
125
Temperature (
SC)
C011
7
8
9
10
11
12
13
14
±50
±25
0
25
50
75
100
125
Temperature (
ƒC)
C012
0
5
10
15
20
25
30
-50
-25
0
25
50
75
100
125
Temperature (
SC)
C009
4.5
4.55
4.6
4.65
4.7
4.75
4.8
-50
-25
0
25
50
75
100
125
Temperature (
SC)
C010
0
10
20
30
40
-50
-25
0
25
50
75
100
125
Temperature (
SC)
C007
280
290
300
310
320
330
340
-50
-25
0
25
50
75
100
125
Temperature (
SC)
C008
LM27403
SNVS896 A – AUGUST 2013 – REVISED SEPTEMBER 2013
www.ti.com
TYPICAL CHARACTERISTICS (continued)
Unless otherwise stated, all datasheet curves were recorded using the circuit and powertrain designated Design 1 in the
DESIGN EXAMPLES section with input and output voltages of 12 V and 1.2 V, respectively.
Figure 8. Shutdown Quiescent Current vs. Temperature
Figure 9. Switching Frequency vs. Temperature
Figure 10. Deadtime vs. Temperature
Figure 11. VDD Voltage vs. Temperature
Figure 12. OTP Current vs. Temperature
Figure 13. CS– Current vs. Temperature
10
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Copyright © 2013, Texas Instruments Incorporated
Product Folder Links: LM27403


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