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2 TPS40040EVM-001 Electrical Performance Specifications
TPS40040EVM-001 Electrical Performance Specifications
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
INPUT CHARACTERISTICS
V
IN
Input voltage 4.5 5 5.5 V
I
IN
Input current V
IN
= Min, I
OUT
= Max 4.4 4.8 A
No-load input current V
IN
= NOM, I
OUT
= 0 A 100 130 mA
VIN_UVLO Input UVLO I
OUT
= Min to Max 1.95 2.05 2.15 V
VIN_OV Input OV I
OUT
= Min to Max NA V
OUTPUT CHARACTERISTICS
VOUT Output voltage VIN = NOM, IOUT = NOM 1.86 1.8 1.84 V
Line regulation V
IN
= Min to Max, I
OUT
= NOM 0.5%
Load regulation V
IN
= NOM, I
OUT
= Min to Max 0.5%
VOUT_ripp Output voltage ripple VIN = Nom, IOUT = Max 40 mVpp
le
IOUT Output load current V
IN
= Min to Max 0 6 10 A
IOCP Output over current inception VIN = Nom, VOUT = VOUT–5% A
point
VOVP Output OVP IOUT = Min to Max NA V
Transient Response
∆ I Load step 0.75 × IOUT_Max to 0.25 × IOUT_Max 5 A
Load slew rate 5 A/ µ s
Overshoot 50 mV
Settling time ms
SYSTEM CHARACTERISTICS
FSW Switching frequency 250 300 350 kHz
η pk Peak efficiency VIN = Nom, I
OUT
= Min to Max 93%
η Full-load efficiency VIN = Nom, I
OUT
= Max 91%
Top Operating temperature range VIN = Min to Max, IOUT = Min to Max –40 25 60 ° C
MECHANICAL CHARACTERISTICS
W Dimensions (Active Area) Width 1.4 inch
L Length 1 inch
SLUU266 – January 2007 Using the TPS40040EVM-001: A 12-V Input, 1.8-V Output, 10-A Synchronous Buck Converter 3
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