MMPF0200Z datasheet(40/118 Pages) NXP

40 / 118 page

Analog Integrated Circuit Device Data



Freescale Semiconductor

PF0200Z

Functional Block Requirements and Behaviors

Power Generation

6.4.4.3

SW1A/B

SW1A/B is a 2.5 A single phase regulator. The SW1ALX and SW1BLX pins should be connected together on the board.

SW1_CONFIG[1:0] = 01 is the only configuration supported.

The single phase configuration is programmed by OTP by using SW1_CONFIG[1:0] bits in the register map Extended Page 1,

as shown in Table 38.

SW1A/B Single Phase

In this configuration, SW1A/B is connected as a single phase with a single inductor. This configuration allows reduced component

count by using only one inductor for SW1A/B. Figure 11 shows the physical connection for SW1A/B in single phase.

Figure 11. SW1A/B Single Phase Block Diagram

Both SW1ALX and SW1BLX nodes operate at the same DVS, frequency, and phase configured by the SW1ABCONF register.

Table 38. SW1 Configuration

SW1_CONFIG[1:0]

Description

Reserved

A/B Single Phase

Reserved

Driver

Controller

SW1AIN

SW1ALX

SW1FB

ISENSE

COSW1A

CINSW1A

LSW1A

I2C

Interface

SW1A/B

SW1AMODE

SW1AFAULT

VIN

Driver

Controller

SW1BIN

SW1BLX

ISENSE

CINSW1B

SW1BMODE

SW1BFAULT

VIN

Internal

Compensation

VREF

DAC

I2C

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