MMPF0100Z datasheet(46/128 Pages) NXP

46 / 128 page

NXP Semiconductors

PF0100Z

FUNCTIONAL BLOCK REQUIREMENTS AND BEHAVIORS

SW1A/B/C (single phase) (continued)

ISW1ABCQ

Quiescent current

PFM mode

APS mode

–

145

–

µA

RSW1ABCDIS

Discharge resistance

–

600

–

SW1A/B (single/dual phasE)

VINSW1A

VINSW1B

Operating input voltage

2.8

–

4.5

VSW1AB

Nominal output voltage

–

Table 40

–V

VSW1ABACC

Output voltage accuracy

• PWM, APS, 2.8 V < VIN < 4.5 V, 0 < ISW1AB < 2.5 A

0.625 V

≤ VSW1AB ≤ 1.450 V

1.475 V

≤ VSW1AB ≤ 1.875 V

• PFM, steady state, 2.8 V < VIN < 4.5 V, 0 < ISW1AB < 150 mA

0.625 V < VSW1AB < 0.675 V

0.7 V < VSW1AB < 0.85 V

0.875 V < VSW1AB < 1.875 V

-25

-3.0%

-65

-45

-3.0%

–

3.0%

-65

-45

3.0%

ISW1AB

Rated output load current,

2.8 V < VIN < 4.5 V, 0.625 V < VSW1AB < 1.875 V

–

2500

(43)

ISW1ABLIM

Current limiter peak current detection

• SW1A/B single phase (current through inductor)

SW1ABILIM = 0

SW1ABILIM = 1

• SW1A/B dual phase (current through inductor per phase)

SW1ABILIM = 0

SW1ABILIM = 1

4.5

3.3

2.2

1.6

6.5

4.9

3.2

2.4

8.5

6.4

4.3

3.2

(43)

VSW1ABOSH

Start-up overshoot

ISW1AB = 0.0 mA

DVS clk = 25 mV/4

μs, VIN = VINSW1x = 4.5 V, VSW1AB = 1.875 V

––

tONSW1AB

Turn-on time

Enable to 90% of end value

ISW1AB = 0.0 mA

DVS clk = 25 mV/4

μs, VIN = VINSW1x = 4.5 V, VSW1AB = 1.875 V

–

500

µs

fSW1AB

Switching frequency

SW1ABFREQ[1:0] = 00

SW1ABFREQ[1:0] = 01

SW1ABFREQ[1:0] = 10

–

1.0

2.0

4.0

–

MHz

ηSW1AB

Efficiency (single phase)

•VIN = 3.6 V, fSW1AB = 2.0 MHz, LSW1AB = 1.0 μH

PFM, 0.9 V, 1.0 mA

PFM, 1.2 V, 50 mA

APS, PWM, 1.2 V, 500 mA

APS, PWM, 1.2 V, 750 mA

APS, PWM, 1.2 V, 1250 mA

APS, PWM, 1.2 V, 2500 mA

–

ΔVSW1AB

Output ripple

–10–

VSW1ABLIR

Line regulation (APS, PWM)

–

Table 53. SW1A/B/C electrical characteristics (continued)

All parameters are specified at PF0100Z TA = -40 °C to 85 °C, PF0100AZ TA = -40 °C to 105 °C, VIN = VINSW1x = 3.6 V, VSW1x = 1.2 V,

ISW1x = 100 mA, SW1x_PWRSTG[2:0] = [111], typical external component values, fSW1x = 2.0 MHz, unless otherwise noted. Typical

values are characterized at VIN = VINSW1x = 3.6 V, VSW1x = 1.2 V, ISW1x = 100 mA, SW1x_PWRSTG[2:0] = [111], and 25 °C, unless

otherwise noted.

Symbol

Parameter

Min.

Typ.

Max.

Unit

Notes

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