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LM21215AMHX-1/NOPB Datasheet(PDF) 8 Page - Texas Instruments

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Part No. LM21215AMHX-1/NOPB
Description  15-A Ultra High-Efficiency Synchronous Buck Converter
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

LM21215AMHX-1/NOPB Datasheet(HTML) 8 Page - Texas Instruments

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background image
-40 -20
0
20
40
60
80 100 120
0.50
0.52
0.54
0.57
0.58
0.60
0.62
0.64
0.66
0.68
JUNCTION TEMPERATURE (°C)
VUVP
VOVP
0.70
-40 -20
0
20
40
60
80 100 120
40
42
44
46
48
50
52
54
56
58
60
JUNCTION TEMPERATURE (°C)
-40 -20
0
20
40
60
80 100 120
1.28
1.29
1.30
1.31
1.32
1.33
1.34
1.35
1.36
1.37
80
88
96
104
112
120
128
136
144
152
160
JUNCTION TEMPERATURE (°C)
VIHENR
VENHYS
1.38
-40 -20
0
20
40
60
80 100 120
2.60
2.62
2.64
2.66
2.68
2.70
2.72
2.74
2.76
2.78
2.80
150
165
180
195
210
225
240
255
270
285
300
JUNCTION TEMPERATURE (°C)
VUVLO
VUVLOHYS
-40 -20
0
20 40 60 80 100 120
0.90
0.93
0.96
0.99
1.02
1.05
1.08
1.11
1.14
1.17
1.20
0.100
0.108
0.116
0.124
0.132
0.140
0.148
0.156
0.164
0.172
0.180
JUNCTION TEMPERATURE (°C)
IAVIN
IPVIN
140
-40 -20
0
20
40
60
80 100 120
0.598
0.599
0.600
0.601
0.602
JUNCTION TEMPERATURE (°C)
LM21215A
SNOSB87C – MARCH 2011 – REVISED JANUARY 2016
www.ti.com
Typical Characteristics (continued)
Unless otherwise specified: VIN = 5 V, VOUT = 1.2 V, LF = 0.56 µH (1.8 mΩ RDCR), CSS = 33 nF, FSW = 500 kHz, TA = 25°C for
efficiency curves, loop gain plots and waveforms, and TJ = 25°C for all others.
Figure 8. Feedback (FB) Voltage vs Temperature
Figure 7. Non-Switching IAVIN and IPVIN vs Temperature
Figure 9. Enable Threshold and Hysteresis vs Temperature
Figure 10. UVLO Threshold and Hysteresis vs Temperature
Figure 11. Enable Low Current vs Temperature
Figure 12. OVP/UVP Threshold vs Temperature
8
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Copyright © 2011–2016, Texas Instruments Incorporated
Product Folder Links: LM21215A


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