Texas Instruments TPS40075EVM-001 데이터 시트
www.ti.com
4.4
Equipment Shutdown
5
TPS40075EVM Typical Performance Data and Characteristic Curves
0
2
4
6
8
10
12
14
16
0
10
20
30
40
50
60
70
80
90
100
10 V
12 V
14 V
12 V
14 V
η
− Efficiency = %
I
L
− Load Current − A
V
IN
= 10 V
V
IN
= 14 V
V
IN
= 12 V
10 V < V
12V_IN
< 14 V
V
1V5_OUT
= 1.5 V
0 A < I
1V5_OUT
< 15 A
LOAD CURRENT
vs
EFFICIENCY
V
IN
8V
12 V
14 V
12 V
14 V
VIN
0
2
4
6
8
10
12
14
16
1.530
1.500
1.505
1.510
1.515
1.520
1.525
V
IN
= 8 V
V
IN
= 14 V
V
IN
= 12 V
V
O
U
T
− Output V
oltage − V
I
L
− Load Current − A
LOAD CURRENT
vs
OUTPUT VOLTAGE
6
EVM Assembly Drawings and Layout
TPS40075EVM Typical Performance Data and Characteristic Curves
1. Shut down oscilloscope
2. Shut down LOAD1
3. Shut down V
2. Shut down LOAD1
3. Shut down V
12V_IN
4. Shut down FAN
and
present typical performance curves for the TPS40075EVM-001. Since actual
performance data can be affected by measurement techniques and environmental variables, these curves
are presented for reference and may differ from actual field measurements.
are presented for reference and may differ from actual field measurements.
Figure 4. TPS40075EVM-001 Efficiency Curves
Figure 5. Line and Load Regulation
through
show the design of the TPS40075EVM-001 printed circuit board. The EVM has
been designed using a 4-layer, 2-oz. copper-clad circuit board 3.0"
×
3.0" with all components on the top
side to allow the user to easily view, probe and evaluate the TPS40075 control device in a practical
application. Moving components to both sides of the PCB or using additional internal layers can offer
additional size reduction for space constrained systems.
application. Moving components to both sides of the PCB or using additional internal layers can offer
additional size reduction for space constrained systems.
SLUU254 – DECEMBER 2006
Using the TPS40075: A 12-V to 1.5-V @ 15-A Synchronous Buck Converter
9