MMPF0100NPEP datasheet(70/137 Pages) FREESCALE

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Analog Integrated Circuit Device Data



Freescale Semiconductor

PF0100

Functional Block Requirements and Behaviors

Power Generation

SWITCH MODE SUPPLY SW3A/B (CONTINUED)

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

ISW3xLIM

3.5

2.7

1.8

1.3

5.0

3.8

2.5

1.9

6.5

4.9

3.3

2.5

Start-up Overshoot

ISW3x = 0.0 mA

DVS clk = 25 mV/4

s, VIN = VINSW3x = 4.5 V

VSW3xOSH

––

Turn-on Time

Enable to 90% of end value

ISW3x = 0 mA

DVS clk = 25 mV/4

s, VIN = VINSW3x = 4.5 V

tONSW3x

–

500

µs

Switching Frequency

SW3xFREQ[1:0] = 00

SW3xFREQ[1:0] = 01

SW3xFREQ[1:0] = 10

fSW3x

–

1.0

2.0

4.0

–

MHz

Efficiency (Single Phase)

•fSW3 = 2.0 MHz, LSW3x 1.0 H

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

SW3AB

–

Output Ripple

VSW3x

–10–

Line Regulation (APS, PWM)

VSW3xLIR

––

DC Load Regulation (APS, PWM)

VSW3xLOR

––

Transient Load Regulation

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

Overshoot

Undershoot

VSW3xLOTR

–

Quiescent Current

PFM Mode (Single/Dual Phase)

APS Mode (Single/Dual Phase)

PFM Mode (Independent mode)

APS Mode (SW3A Independent mode)

APS Mode (SW3B Independent mode)

ISW3xQ

–

300

250

150

–

µA

SW3A P-MOSFET RDSON

at VIN = VINSW3A = 3.3 V

RONSW3AP

–

215

245



SW3A N-MOSFET RDSON

at VIN = VINSW3A = 3.3 V

RONSW3AN

–

258

326



SW3A P-MOSFET Leakage Current

VIN = VINSW3A = 4.5 V

ISW3APQ

––

7.5

µA

Table 76. SW3A/B Electrical Characteristics

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

arameter

Symbol

Min

Typ

Max

Unit

MMPF0100NPEP データシート(PDF) 70 Page - Freescale Semiconductor, Inc

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