MMPF0100NPEP datasheet(51/137 Pages) FREESCALE

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Analog Integrated Circuit Device Data



Freescale Semiconductor

PF0100

Functional Block Requirements and Behaviors

Power Generation

SW1C (INDEPENDENT)

Operating Input Voltage

VINSW1C

2.8

–

4.5

Nominal Output Voltage

VSW1C

–

Table 39

–V

Output Voltage Accuracy

• PWM, APS, 2.8 V < VIN < 4.5 V, 0 < ISW1C < 2.0 A

0.3 V

 VSW1C  1.450 V

1.475 V

 VSW1C  1.875 V

• PFM, steady state 2.8 V < VIN < 4.5 V, 0 < ISW1C < 50 mA

0.3 V < VSW1C < 0.85 V

0.875 V < VSW1C < 1.875 V

VSW1CACC

-25

-3.0%

-65

-6.0%

–

3.0%

6.0%

Rated Output Load Current

2.8 V < VIN < 4.5 V, 0.3 V < VSW1C < 1.875 V

ISW1C

–

2000

Current Limiter Peak Current Detection

• Current through Inductor

SW1CILIM = 0

SW1CILIM = 1

ISW1CLIM

2.6(39)

1.95

4.0

3.0

5.2

3.9

Start-up Overshoot

ISW1C = 0 mA

DVS clk = 25 mV/4

s, VIN = VINSW1C = 4.5 V, VSW1C = 1.875 V

VSW1COSH

––

Turn-on Time

Enable to 90% of end value

ISW1C = 0 mA

DVS clk = 25 mV/4

s, VIN = VINSW1C = 4.5 V, VSW1C = 1.875 V

tONSW1C

–

500

µs

Switching Frequency

SW1CFREQ[1:0] = 00

SW1CFREQ[1:0] = 01

SW1CFREQ[1:0] = 10

fSW1C

–

1.0

2.0

4.0

–

MHz

Efficiency

•VIN = 3.6 V, fSW1C = 2.0 MHz, LSW1C = 1.0 H

PFM, 0.9 V, 1.0 mA

PFM, 1.2 V, 50 mA

APS, PWM, 1.2 V, 400 mA

APS, PWM, 1.2 V, 600 mA

APS, PWM, 1.2 V, 1000 mA

APS, PWM, 1.2 V, 2000 mA

SW1C

–

Output Ripple

VSW1C

–10–

Line Regulation (APS, PWM)

VSW1CLIR

––

DC Load Regulation (APS, PWM)

VSW1CLOR

––

Transient Load Regulation

• Transient load = 0.0 mA to 1.0 A, di/dt = 100 mA/

s

Overshoot

Undershoot

VSW1CLOTR

–

Quiescent Current

PFM Mode

APS Mode

ISW1CQ

–

145

–

µA

Table 52. SW1A/B/C Electrical Characteristics

All parameters are specified at TA = -40 to 85 °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.

Parameter

Symbol

Min

Typ

Max

Unit

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