Texas Instruments 10A, 12V Input, 1.8V Output Synchronous Buck Converter using the TPS40192 and NexFET MOSFETs TPS40192E TPS40192EVM-525 数据表
产品代码
TPS40192EVM-525
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TPS40192EVM-525 Electrical Performance Specifications
2
TPS40192EVM-525 Electrical Performance Specifications
Parameter
Notes and Conditions
Min
Nom
Max
Units
Input Characteristics
VIN
Input voltage
8
12
14
V
IIN
Input current
VIN = Min, IOUT = Max
2.7
2.85
A
No load input current
VIN = Min, IOUT = 0A
48
60
mA
VIN_UVLO
Input UVLO
IOUT = Min to Max
3.9
4.2
4.4
V
VIN_OV
Input OV
IOUT = Min to Max
NA
V
Output Characteristics
VOUT
Output voltage
VIN = Nom, IOUT = NOM
1.86
1.8
1.84
V
Line regulation
VIN = Min to Max, IOUT = Nom
0.5%
Load regulation
VIN = Nom, IOUT = Min to Max
0.5%
VOUT_ripple Output voltage ripple
VIN = Nom, IOUT = Max
40
mVpp
IOUT
Output current
VIN = Min to Max
0
6
10
A
IOCP
Output overcurrent inception point
VIN = Nom, VOUT = VOUT-5%
19
A
VOVP
Output OVP
IOUT = Min to Max
NA
V
Transient Response
Δ
I
Load step
0.75 x IOUT_Max to 0.25 × IOUT _Max
5
A
Load slew rate
5
A/
μ
sec
Overshoot
50
mV
Settling time
msec
Systems Characteristics
FSW
Switching frequency
480
600
720
kHz
η
pk
Peak efficiency
VIN=Nom, IOUT = Min to Max
89%
η
Full-load efficiency
VIN=Nom, IOUT = Max
86%
T
op
Operating temperature range
VIN = Min to Max, IOUT = Min to Max
-40
25
60
°C
Mechanical Characteristics
W
Dimensions (active area) width
1.20
ins
L
Length
1.00
ins
3
SLUU395 – December 2009
Using the TPS40192EVM-525, A 12-V Input, 1.8-V Output, 10-A Synchronous
Buck Converter
Copyright © 2009, Texas Instruments Incorporated