MMPF0100Z datasheet(64/128 Pages) NXP

64 / 128 page

NXP Semiconductors

PF0100Z

FUNCTIONAL BLOCK REQUIREMENTS AND BEHAVIORS

6.4.4.5.6

SW3A/B specifications

Table 77. SW3A/B electrical characteristics

All parameters are specified at PF0100Z TA = -40 °C to 85 °C, PF0100AZ TA = -40°C to 105°C, VIN =VINSW3x =3.6 V, VSW3x =1.5 V,

ISW3x = 100 mA, SW3x_PWRSTG[2:0] = [111], typical external component values, fSW3x = 2.0 MHz, single/dual phase and independent

mode, unless otherwise noted. Typical values are characterized at VIN = VINSW3x = 3.6 V, VSW3x = 1.5 V, ISW3x = 100 mA,

SW3x_PWRSTG[2:0] = [111], and 25 °C, unless otherwise noted.

Symbol

arameter

Min.

Typ.

Max.

Unit

Notes

Switch mode supply SW3a/B

VINSW3x

Operating input voltage

2.8

–

4.5

(52)

VSW3x

Nominal output voltage

Table 64

-V

VSW3xACC

Output voltage accuracy

• PWM, APS 2.8 V < VIN < 4.5 V, 0 < ISW3x < ISW3xMAX

0.625 V < VSW3x < 0.85 V

0.875 V < VSW3x < 1.975 V

2.0 V < VSW3x < 3.3 V

• PFM , steady state (2.8 V < VIN < 4.5 V, 0 < ISW3x < 50 mA)

0.625 V < VSW3x < 0.675 V

0.7 V < VSW3x < 0.85 V

0.875 V < VSW3x < 1.975 V

2.0 V < VSW3x < 3.3 V

-25

-3.0%

-6.0%

-65

-45

-3.0%

–

3.0%

6.0%

3.0%

ISW3x

Rated output load current

•2.8 V < VIN < 4.5 V, 0.625 V < VSW3x < 3.3 V

PWM, APS mode single/dual phase

PWM, APS mode independent (per phase)

–

2500

1250

(53)

ISW3xLIM

Current limiter peak current detection

• Single phase (current through inductor)

SW3xILIM = 0

SW3xILIM = 1

• Independent mode or dual phase (current through inductor per

phase)

SW3xILIM = 0

SW3xILIM = 1

3.5

2.7

1.8

1.3

5.0

3.8

2.5

1.9

6.5

4.9

3.3

2.5

VSW3xOSH

Start-up overshoot

ISW3x =0.0 mA

DVS clk = 25 mV/4

s, VIN = VINSW3x = 4.5 V

––

tONSW3x

Turn-on time

Enable to 90% of end value

ISW3x = 0 mA

DVS clk = 25 mV/4

s, VIN = VINSW3x = 4.5 V

–

500

µs

fSW3x

Switching frequency

SW3xFREQ[1:0] = 00

SW3xFREQ[1:0] = 01

SW3xFREQ[1:0] = 10

–

1.0

2.0

4.0

–

MHz

SW3AB

Efficiency (single phase)

•fSW3 = 2.0 MHz, LSW3x 1.0 H

PFM, 1.5V, 1.0mA

PFM, 1.5 V, 50 mA

APS, PWM 1.5 V, 500 mA

APS, PWM 1.5 V, 750 mA

APS, PWM 1.5 V, 1250 mA

APS, PWM 1.5 V, 2500 mA

–

VSW3x

Output ripple

–

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