UCD3138ARMHR datasheet(7/87 Pages) TI1

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UCD3138A

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SLUSC66C – MARCH 2015 – REVISED SEPTEMBER 2016

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Device Comparison

(1)

To facilitate simple OVP and UVP connections both comparators B and C are connected to the AD03 pin.

Device Comparison

3.1

Product Selection Matrix

FEATURE

UCD3138A 64 PIN

(RGC)

UCD3138A 40 PIN

(RMH)

UCD3138A 40 PIN

(RJA)

ARM7TDMI-S core processor

31.25 MHz

High resolution DPWM outputs (250-ps resolution)

Number of high speed independent feedback loops (number of

regulated output voltages)

12-bit, 267-ksps, general-purpose ADC channels

Digital comparators at ADC outputs

Flash memory (program)

32 kB

Flash memory (data)

2 kB

Flash security

√

RAM

4 kB

DPWM switching frequency

up to 2 MHz

Programmable fault inputs

1 + 2

High speed analog comparators with cycle-by-cycle current limiting

7(1)

6(1)

UART (SCI)

PMBus

√

Timers

4 (16 bit) and

1 (24 bit)

4 (16 bit) and

1 (24 bit)

4 (16 bit) and

1 (24 bit)

Timer PWM outputs

Timer capture inputs

Watchdog

√

On-chip oscillator

√

Power-on reset and brown-out reset

√

Package offering

64 Pin VQFN

(9 mm × 9 mm)

40 Pin WQFN

(6 mm × 6 mm)

40 Pin WQFN

(6 mm × 6 mm)

Sync IN and sync OUT functions

√

Total GPIO (includes all pins with multiplexed functions such as,

DPWM, fault inputs, SCI, and so forth)

External interruptions

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