PIFE32251B-R68MS datasheet(140/157 Pages) TI1

140 / 157 page

Iout (A)

100

D001

Vin=5.40V

Vin=8.10V

Vin=8.70V

Vin=13.50V

Iout (A)

0.0

0.5

1.0

1.5

2.0

2.5

100

D001

Vin=2.97V

Vin=3.30V

Vin=3.63V

140

TPS650830

SLVSCF4A – DECEMBER 2014 – REVISED JULY 2016

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Application and Implementation

7.2.4.2.1 Output Inductance and Capacitance

Following the recommend design procedure in Section 7.2.2 will yield output inductance and capacitance

similar to Table 7-4.

Table 7-4. SkyLake and Kabylake Volume Configuration Output L and C

VRx

OUTPUT

INDUCTANCE

MINIMUM OUTPUT

CAPACITANCE

RECOMMENDED OUTPUT CAPACITORS

CAPACITOR

MANUFACTURER

VR1

0.56 µH

160 µF

1 x GRM31CR60G227ME11 and

1 x ZRB18AR60G476ME01

muRata

VR2

0.68 µH

47 µF

4 x ZRB18AR60G476ME01

muRata

VR3

1 µH

87 µF

2 x GRM31CR60G227ME11

muRata

VR4

0.56 µH

117 µF

1 x GRM31CR60G227ME11

muRata

VR5

2.2 µH

76 µF

8 x GRM21BR61A476ME15

muRata

7.2.4.3

Application Performance Curves

Table 7-5. Application Curves Overview

TYPE

DESCRIPTION AND ASSUMPTIONS

FIGURE NUMBER

Efficiency VR1

Using CSD87381P FET Block, PIMB051H-0R56M,

1 x GRM31CR60G227ME11 + 1 x ZRB18AR60G476ME01, NDVCZ = LOW, Vout = 1 V

Figure 7-13

Efficiency VR2

Using PIFE32251B-R68MS,

4 x ZRB18AR60G476ME01, NDVCZ = LOW, Vout = 1.8 V

Figure 7-14

Efficiency VR3

Using CSD87381P FET Block, PIME051H-1R0MS,

2 x GRM31CR60G227ME11, NDVCZ = LOW, Vout = 3.3 V

Figure 7-15

Efficiency VR4

Using CSD87381P FET Block, PIMB051H-0R56M,

1 x GRM31CR60G227ME11, NDVCZ = LOW, Vout = 1.2 V

Figure 7-16

Efficiency VR5

Using CSD87381P FET Block, PIME051B-2R2MS,

8 x GRM21BR61A476ME15, NDVCZ = LOW, Vout = 5 V

Figure 7-17

space

Figure 7-13. Typical Efficiency for VR1

Figure 7-14. Typical Efficiency for VR2

PIFE32251B-R68MS 데이터시트(PDF) 140 Page - Texas Instruments

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