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LM21215AMHE-1 Datasheet(PDF) 7 Page - Texas Instruments

Part No. LM21215AMHE-1
Description  15-A Ultra High-Efficiency Synchronous Buck Converter
Download  38 Pages
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Maker  TI1 [Texas Instruments]
Homepage  http://www.ti.com
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LM21215AMHE-1 Datasheet(HTML) 7 Page - Texas Instruments

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3.0
3.5
4.0
4.5
5.0
5.5
-0.10
-0.08
-0.06
-0.04
-0.02
0.00
0.02
0.04
0.06
0.08
0.10
INPUT VOLTAGE (V)
IOUT = 0A
IOUT = 12A
3.0
3.5
4.0
4.5
5.0
5.5
1.0
1.1
1.2
1.3
1.4
1.5
INPUT VOLTAGE (V)
0
3
6
9
12
15
90
92
94
96
98
100
OUTPUT CURRENT (A)
VIN = 3.3V
VIN = 4.0V
VIN = 5.0V
VIN = 5.5V
0
3
6
9
12
15
-0.04
-0.03
-0.02
-0.01
0.00
0.01
0.02
0.03
0.04
OUTPUT CURRENT (A)
VIN = 3.3V
VIN = 5.0V
0
3
6
9
12
15
80
82
84
86
88
90
92
94
96
98
100
OUTPUT CURRENT (A)
FSW = 500 kHz
FSW = 750 kHz
FSW = 1 MHz
0
3
6
9
12
15
80
82
84
86
88
90
92
94
96
98
100
OUTPUT CURRENT (A)
VOUT = 1.2V
VOUT = 3.3V
LM21215A
www.ti.com
SNOSB87C – MARCH 2011 – REVISED JANUARY 2016
6.6 Typical Characteristics
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 1. Efficiency
Figure 2. Efficiency
Figure 4. Load Regulation
Figure 3. Efficiency (VOUT = 2.5 V, FSW= 500 kHz, Inductor
P/N SER2010-601MLD)
Figure 5. Line Regulation
Figure 6. Non-Switching IQ(TOTAL) vs VIN
Copyright © 2011–2016, Texas Instruments Incorporated
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Product Folder Links: LM21215A


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