MMPF0100Z datasheet(64/128 Pages) NXP

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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

μs, VIN = VINSW3x = 4.5 V

––

tONSW3x

Turn-on time

Enable to 90% of end value

ISW3x = 0 mA

DVS clk = 25 mV/4

μs, 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

ηSW3AB

Efficiency (single phase)

•fSW3 = 2.0 MHz, LSW3x 1.0 μH

PFM, 1.5 V, 1.0 mA

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

–

ΔVSW3x

Output ripple

–

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