Texas Instruments Dual Phase Eco-Mode™ Step Down Converter for 40A+ Appllications using the TPS51727 TPS51727EVM TPS51727EVM Fiche De Données
Codes de produits
TPS51727EVM
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Electrical Performance Specifications
2
Electrical Performance Specifications
Table 1. TPS51727EVM Electrical Performance Specifications
Parameter
Test Conditions
Min
Typ
Max
Units
Input Characteristics
Voltage range
VIN
8
12
14
V
Maximum input current
VIN = 8 V, Io = 40 A
8.5
A
No load input current
Vin = 14 V, Io = 0 A
20
mA
Output Characteristics
Output voltage VOUT
1.5 V or 0.875–1.250 V
1.25
V
Line regulation
0.1%
Output voltage regulation
Load regulation (Load line Rout = –1.8 m
Ω
)
–3.0%
+6.7%
Output voltage ripple
Vin = 12 V, Io = 20 A
30
mVpp
Output load current
0
40
A
Output over current
50
A
System Characteristics
Switching frequency
Selectable
200
300
500
kHz
Peak efficiency
Vin = 12 V, 1.25 V/15 A
91.66%
Full load efficiency
Vin = 12 V, 1.25 V/40 A
88.79%
Operating temperature
25
°C
3
SLUU379 – November 2009
Using the TPS51727EVM, a Dual-Phase, Eco-mode™ Step-Down Power
Management IC for 40-A+ Application
Copyright © 2009, Texas Instruments Incorporated