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UCD3138RMHT 数据表(PDF) 8 Page - Texas Instruments

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部件名 UCD3138RMHT
功能描述  Highly Integrated Digital Controller for Isolated Power
PDF  78 Pages
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制造商  TI1 [Texas Instruments]
网页  http://www.ti.com
标志 TI1 - Texas Instruments

UCD3138RMHT 数据表(HTML) 8 Page - Texas Instruments

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UCD3138
SLUSAP2F – MARCH 2012 – REVISED NOVEMBER 2013
www.ti.com
2.2
Ordering Information
OPERATING TEMPERATURE
PART NUMBER
PIN COUNT
PACKAGE
SUPPLY
TOP SIDE MARKING
RANGE, TA
UCD3138RGCT
64
QFN
250 (Small Reel)
UCD3138
–40°C to 125°C
UCD3138RGCR
64
QFN
2000 (Large Reel)
UCD3138
–40°C to 125°C
UCD3138RHAT
40
QFN
250 (Small Reel)
UCD3138
–40°C to 125°C
UCD3138RHAT
40
QFN
250 (Small Reel)
UCD3138
–40°C to 125°C
UCD3138RMHT
40
QFN
250 (Small Reel)
3138RMH
–40°C to 125°C
UCD3138RMHR
40
QFN
250 (Large Reel)
3138RMH
–40°C to 125°C
2.3
Product Selection Matrix
UCD3138 64 PIN
UCD3138 40 PIN
FEATURE
(RGC)
(RHA/RMH)
ARM7TDMI-S Core Processor
31.25 MHz
31.25 MHz
High Resolution DPWM Outputs (250ps Resolution)
8
8
Number of High Speed Independent Feedback Loops (# Regulated Output
3
3
Voltages)
12-bit, 267ksps, General Purpose ADC Channels
14
7
Digital Comparators at ADC Outputs
4
4
Flash Memory (Program)
32 KB
32 KB
Flash Memory (Data)
2 KB
2 KB
Flash Security
√
√
RAM
4 KB
4 KB
DPWM Switching Frequency
up to 2 MHz
up to 2 MHz
Programmable Fault Inputs
4
1 + 2(1)
High Speed Analog Comparators with Cycle-by-Cycle Current Limiting
7(2)
6(2)
UART (SCI)
2
1(1)
PMBus
√
√
Timers
4 (16 bit) and 1 (24 bit)
4 (16 bit) and 1 (24 bit)
Timer PWM Outputs
2
1
Timer Capture Inputs
1
1(1)
Watchdog
√
√
On Chip Oscillator
√
√
Power-On Reset and Brown-Out Reset
√
√
Package Offering
64 Pin QFN (9mm x 9mm)
40 Pin QFN (6mm x 6mm)
Sync IN and Sync OUT Functions
√
√
Total GPIO (includes all pins with multiplexed functions such as, DPWM, Fault
30
18
Inputs, SCI, etc.)
External Interrupts
1
0
(1)
This number represents an alternate pin out that is programmable via firmware. See the UCD3138 Digital Power Peripherals
Programmer’s Manual for details.
(2)
To facilitate simple OVP and UVP connections both comparators B and C are connected to the AD03 pin.
8
Overview
Copyright © 2012–2013, Texas Instruments Incorporated
Submit Documentation Feedback
Product Folder Links: UCD3138



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