MMPF0200Z datasheet(51/118 Pages) NXP

51 / 118 page

Analog Integrated Circuit Device Data



Freescale Semiconductor

PF0200Z

Functional Block Requirements and Behaviors

Power Generation

SW2 Specifications

Table 56. SW2 Electrical Characteristics

All parameters are specified at TA = -40 to 85 °C, VIN = VINSW2 = 3.6 V, VSW2 = 3.15 V, ISW2 = 100 mA,

SW2_PWRSTG[2:0] = [111], typical external component values, fSW2 = 2.0 MHz, unless otherwise noted. Typical values are

characterized at VIN = VINSW2 = 3.6 V, VSW2 = 3.15 V, ISW2 = 100 mA, SW2_PWRSTG[2:0] = [111], and 25 °C, unless otherwise

noted.

Parameter

Symbol

Min

Typ

Max

Unit

SWITCH MODE SUPPLY SW2

Operating Input Voltage(41)

VINSW2

2.8

–

4.5

Nominal Output Voltage

VSW2

–

Table 48

–V

Output Voltage Accuracy

• PWM, APS, 2.8 V < VIN < 4.5 V, 0 < ISW2 < 1.5 A

0.625 V < VSW2 < 0.85 V

0.875 V < VSW2 < 1.975 V

2.0 V < VSW2 < 3.3 V

• PFM, 2.8 V < VIN < 4.5 V, 0 < ISW2 50 mA

0.625 V < VSW2 < 0.675 V

0.7 V < VSW2 < 0.85 V

0.875 V < VSW2 < 1.975 V

2.0 V < VSW2 < 3.3 V

VSW2ACC

-25

-3.0%

-6.0%

-65

-45

-3.0%

–

3.0%

6.0%

3.0%

Rated Output Load Current (42)

2.8 V < VIN < 4.5 V, 0.625 V < VSW2 < 3.3 V

ISW2

–

1500

Current Limiter Peak Current Detection

• Current through Inductor

SW2ILIM = 0

SW2ILIM = 1

ISW2LIM

2.1

1.57

3.0

2.25

3.9

2.93

Start-up Overshoot

ISW2 = 0.0 mA

DVS clk = 25 mV/4

s, VIN = VINSW2 = 4.5 V

VSW2OSH

––

Turn-on Time

Enable to 90% of end value

ISW2 = 0.0 mA

DVS clk = 50 mV/8

s, VIN = VINSW2 = 4.5 V

tONSW2

–

550

µs

Switching Frequency

SW2FREQ[1:0] = 00

SW2FREQ[1:0] = 01

SW2FREQ[1:0] = 10

fSW2

–

1.0

2.0

4.0

–

MHz

Efficiency

•VIN = 3.6 V, fSW2 = 2.0 MHz, LSW2 = 1.0 H

PFM, 3.15 V, 1.0 mA

PFM, 3.15 V, 50 mA

APS, PWM, 3.15 V, 400 mA

APS, PWM, 3.15 V, 600 mA

APS, PWM, 3.15 V, 1000 mA

APS, PWM, 3.15 V, 1500 mA

SW2

–

Output Ripple

VSW2

–10–

Line Regulation (APS, PWM)

VSW2LIR

––

DC Load Regulation (APS, PWM)

VSW2LOR

––

MMPF0200Z Datasheet(PDF) 51 Page - NXP Semiconductors

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