MMPF0200 datasheet(57/114 Pages) NXP

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NXP Semiconductors

PF0200

FUNCTIONAL BLOCK REQUIREMENTS AND BEHAVIORS

Switch mode supply SW3a/B (continued)

ISW3xLIM

Current Limiter Peak Current Detection

• Single phase (Current through inductor)

SW3xILIM = 0

SW3xILIM = 1

• Independent mode (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

–

VSW3xLIR

Line Regulation (APS, PWM)

–

VSW3xLOR

DC Load Regulation (APS, PWM)

–

VSW3xLOTR

Transient Load Regulation

• Transient Load = 0.0 mA to ISW3x/2, di/dt = 100 mA/μs

Overshoot

Undershoot

–

ISW3xQ

Quiescent Current

PFM Mode (Single Phase)

APS Mode (Single Phase)

PFM Mode (Independent mode)

APS Mode (SW3A Independent mode)

APS Mode (SW3B Independent mode)

–

300

250

150

–

µA

RONSW3AP

SW3A P-MOSFET RDSON

at VIN = VINSW3A = 3.3 V

–

215

245

RONSW3AN

SW3A N-MOSFET RDSON

at VIN = VINSW3A = 3.3 V

–

258

326

ISW3APQ

SW3A P-MOSFET Leakage Current

VIN = VINSW3A = 4.5 V

––

7.5

µA

Table 71. SW3A/B electrical characteristics (continued)

All parameters are specified at Consumer TA = -40 to 85 °C and Extended Industrial TA = -40 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 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

MMPF0200 Datasheet(PDF) 57 Page - NXP Semiconductors

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