MMPF0100Z datasheet(45/128 Pages) NXP

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NXP Semiconductors

PF0100Z

FUNCTIONAL BLOCK REQUIREMENTS AND BEHAVIORS

6.4.4.3.6

SW1A/B/C specifications

Table 53. SW1A/B/C electrical characteristics

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

SW1A/B/C (single phase)

VINSW1A

VINSW1B

VINSW1C

Operating input voltage

2.8

–

4.5

VSW1ABC

Nominal output voltage

–

Table 40

–V

VSW1ABCACC

Output voltage accuracy

• PWM, APS, 2.8 V < VIN < 4.5 V, 0 < ISW1ABC < 4.5 A

0.625 V

≤ VSW1ABC ≤ 1.450 V

1.475 V

≤ VSW1ABC ≤ 1.875 V

• PFM, steady state, 2.8 V < VIN < 4.5 V, 0 < ISW1ABC < 150 mA

0.625 V < VSW1ABC < 0.675 V

0.7 V < VSW1ABC < 0.85 V

0.875 V < VSW1ABC < 1.875 V

-25

-3.0%

-65

-45

-3.0%

–

3.0%

ISW1ABC

Rated output load current,

2.8 V < VIN < 4.5 V, 0.625 V < VSW1ABC < 1.875 V

–

4500

ISW1ABCLIM

Current limiter peak current detection

• Current through inductor

SW1ABILIM = 0

SW1ABILIM = 1

7.1

5.3

10.5

7.9

13.7

10.3

VSW1ABCOSH

Start-up overshoot

ISW1ABC = 0 mA

DVS clk = 25 mV/4

μs, VIN = VINSW1x = 4.5 V, VSW1ABC = 1.875 V

––

tONSW1ABC

Turn-on time

Enable to 90% of end value

ISW1x = 0 mA

DVS clk = 25 mV/4.0

μs, VIN = VINSW1x = 4.5 V,

VSW1ABC = 1.875 V

–

500

µs

fSW1ABC

Switching frequency

SW1xFREQ[1:0] = 00

SW1xFREQ[1:0] = 01

SW1xFREQ[1:0] = 10

–

1.0

2.0

4.0

–

MHz

ηSW1ABC

Efficiency

•VIN = 3.6 V, fSW1ABC = 2.0 MHz, LSW1ABC = 1.0 μH

PFM, 0.9 V, 1.0 mA

PFM, 1.2 V, 50 mA

APS, PWM, 1.2 V, 850 mA

APS, PWM, 1.2 V, 1275 mA

APS, PWM, 1.2 V, 2125 mA

APS, PWM, 1.2 V, 4500 mA

–

ΔVSW1ABC

Output ripple

–

VSW1ABCLIR

Line regulation (APS, PWM)

–

VSW1ABCLOR

DC load regulation (APS, PWM)

–

VSW1ABCLOTR

Transient load regulation

• Transient load = 0 A to 2.25 A, di/dt = 100 mA/

μs

Overshoot

Undershoot

–

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