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参数资料
型号： TPS56100PWPRG4
厂商： TEXAS INSTRUMENTS INC
元件分类： 稳压器
英文描述： 1.4 A SWITCHING CONTROLLER, 500 kHz SWITCHING FREQ-MAX, PDSO28
封装： GREEN, PLASTIC, HTSSOP-28
文件页数： 1/30页
文件大小： 595K
代理商： TPS56100PWPRG4
TPS56100
HIGHEFFICIENCY DSP POWER SUPPLY CONTROLLER
FOR 5V INPUT SYSTEMS
SLVS201A JUNE 1999 REVISED JULY 1999
1
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
D Single-Channel, 5-V Controller
D Synchronous-Rectifier Drivers for Greater
Than 90% Efficiency
D Useable for All Common DSP Supply
Voltages – Popular Output Voltage Options
Set With Program Pins
D EVM Available
D Ideal for Applications With Current Ranges
From 3 A to 30 A.
D Hysteretic Control Technique Enables Fast
Transient Response — Ideal for ’C6000 or
Multiple ’C5000 Applications
D Low Supply Current
3 mA in Operation
90
A in Standby
D Power Good Output
D 28-Pin TSSOP PowerPAD Package
description
The TPS56100 is a high-efficiency synchronous-buck regulator controller which provides an accurate
programmable supply voltage to low-voltage digital signal processors, such as the ‘C6x and ‘C54x DSPs. An
internal 5-bit DAC is used to program the reference voltage from 1.3 V to 2.6 V. Higher output voltages can be
implemented using an external input resistive divider. The TPS56100 uses a fast hysteretic control method that
provides a quick transient response. The propagation delay from the comparator input to the output driver is
application example
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14
21
22
17 16
20
8
7
9
19 18
13
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11
10
1
28
5
6
4
3
27 26 25 24 23
2
TPS56100
+
IOUT
NC
OCP
VHYST
VREFB
VSENSE
ANAGND
SLOWST
BIAS
LODR
V
LOHIB
DR
VGND
LOWDR
DR
V
PWRGD
VP0
VP1
VP2
VP3
VP4
INHIBIT
IOUTLO
LOSENSE
HISENSE
BOOTLO
HIGHDR
BOOT
V
CC
DSP
CVDD
GND
5 V
1.5 V
GND
Copyright
1999, Texas Instruments Incorporated
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
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28
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18
17
16
15
IOUT
NC
OCP
VHYST
VREFB
VSENSE
ANAGND
SLOWST
BIAS
LODRV
LOHIB
DRVGND
LOWDR
DRV
PWRGD
VP0
VP1
VP2
VP3
VP4
INHIBIT
IOUTLO
LOSENSE
HISENSE
BOOTLO
HIGHDR
BOOT
VCC
PWP PACKAGE
(TOP VIEW)
NC Not Connected
PowerPAD is a trademark of Texas Instruments Incorporated.
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