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UCD3138 Datasheet(PDF) 8 Page - Texas Instruments

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Part # UCD3138
Description  Highly Integrated Digital Controller for Isolated Power
PDF  68 Pages
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

UCD3138 Datasheet(HTML) 8 Page - Texas Instruments

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UCD3138
SLUSAP2 A – MARCH 2012 – REVISED MARCH 2012
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
UCD3138RHAR
40
QFN
2500 (large Reel)
UCD3138
–40°C to 125°C
2.3
Product Selection Matrix
FEATURE
UCD3138 64 PIN
UCD3138 40 PIN
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, 265ksps, 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
4KB
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(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
√
√
JTAG
√
√
Package Offering
64 Pin QFN (9mm x 9mm)
40 Pin QFN (6mm x 6mm)
Internal Reference (Tolerance)
±1%
±1%
Sync IN and Sync OUT Functions
√
√
Total GPIO (includes all pins with multiplexed functions such as, DPWM, Fault
30
17
Inputs, SCI, etc.)
External Interrupts
1
0
(1)
This number represents an alternate pin out that is programmable via firmware. See the Peripherals Programming 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, Texas Instruments Incorporated
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Product Folder Link(s): UCD3138



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