TMDSEVM6678LE Datasheet, PDF (1/12 Pages) Texas Instruments – Power Management Solutions for Xilinx and Altera FPGAs

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Low Dropout Regulators
High-Performance RF LDOs ....................3
Ultra-Low Dropout Linear Regulators
with Soft-Start and Tracking..................3
Step-Down Controllers
Synchronous Buck DC/DC
Controller.............................................4
Wide-Input, Low Pin-Count Buck
Controller.............................................4
Integrated FET Converters
3-V to 6-V Input, 3-A DC/DC
Converter .............................................5
4.5-V to 20-V Input, 6-A DC/DC
Converters ...........................................5
Low-Power Integrated
FET Controllers
1.2-A Step-Down Converter in
MSOP-10 .............................................6
Dual-Channel Step-Down Converter
with 1-Pin EasyScale™ Interface ........6
PTH Power Modules
T2 2nd Generation PTH
Point-of-Load Modules........................7
Power Supply Sequencers
8-Channel Power-Supply Sequencer
and Monitor.........................................8
Reference Designs
5 V_IN Low Power, Small Size
Simple Design .....................................9
12 V_IN Low Power, Cost Optimized .....9
12 V_IN Mid Power, Simple Design.....10
12 V_IN High Power, High Efficiency...10
5 V_IN Multiple FPGA Design
for Complex Systems.........................11
2Q 2007
Power Management Solutions
for Xilinx^®and Altera^® FPGAs
Single-Chip Solution for Spartan^® and Cyclone^®
TPS75003
ODUC
DATA
SHEETS
APP
REPORT
EVALUATION
AMPLE
MODULE
Get samples, datasheets, app reports, evaluation modules and software tools at:
www.ti.com/sc/device/ TPS75003
Key Features
• Two 95% efficient 3-A buck controllers and one 300-mA LDO
• Adjustable output voltages to 1.2 V for buck and 1.0 V for LDO
• Input voltage range: 2.2 V to 6.5 V
• Independent enable for each supply
• Packaging: Low profile 4.5 mm x 3.5 mm QFN
Benefits
• Small single-chip solution
• Flexible sequencing
FPGA Applications
• Altera Cyclone II family
• Xilinx Spartan-3 family
5 V_Input
100 pF
V_CCAUX
1.5 nF
1.5 nF
TPS75003
IN1 _{3 A} IS1
IN2 _{Buck 1} SW1
IN3
FB1
EN1
SS1
EN2
3A
Buck 2
IS2
SW2
FB2
SS2
EN1
300 mA
LDO
OUT3
FB3
SS3
DGND
AGND
DGND
DGND
10 nF
0.033 0.033
Q2 _{15 µH}
D2
V_CCINT
+
1.2 V @ 3 A
100 pF
Q1 _{5 µH}
D1 61.9 k
V_CCO
+
3.3 V @ 3 A
100 pF
36.5 k
61.9 k
V_CCAUX
10 µF2.5 ^{V @ 300 mA}
15.4 k