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參數資料
| 型號： | TPS70745PWPRG4 |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 電源管理 |
| 英文描述： | 2-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO20 |
| 封裝： | GREEN, PLASTIC, HTSSOP-20 |
| 文件頁數： | 1/40頁 |
| 文件大小： | 883K |
| 代理商： | TPS70745PWPRG4 |
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1
FEATURES
DESCRIPTION
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PWP PACKAGE
(TOP VIEW)
NC
VIN1
MR1
MR2
EN
SEQ
GND
VIN2
NC
VOUT1
VSENSE1/FB1
PG1
RESET
VSENSE2/FB2
VOUT2
NC
TPS70745, TPS70748
TPS70751, TPS70758
TPS70702
SLVS291D – MAY 2000 – REVISED DECEMBER 2007
www.ti.com
Dual-Output, Low Dropout Voltage Regulators
with Power-Up Sequencing for Split-Voltage DSP Systems
23
Dual Output Voltages for Split-Supply
TPS707xx family devices are designed to provide a
Applications
complete
power
management
solution
for
the
TMS320 DSP family, processor power, ASIC,
Selectable Power-Up Sequencing for DSP
FPGA, and digital applications where dual output
Applications (See Part Number TPS708xx for
voltage regulators are required. Easy programmability
Independent Enable Outputs)
of the sequencing function makes the TPS707xx
Output Current Range of 250mA on Regulator
family ideal for any TMS320 DSP applications with
1 and 125mA on Regulator 2
power
sequencing
requirements.
Differentiated
features, such as accuracy, fast transient response,
Fast Transient Response
SVS supervisory circuit, manual reset inputs, and an
Voltage Options: 3.3V/2.5V, 3.3V/1.8V,
enable function, provide a complete system solution.
3.3V/1.5V, 3.3V/1.2V, and Dual Adjustable
Outputs
The TPS707xx family of voltage regulators offer very
low dropout voltage and dual outputs with power-up
Open Drain Power-On Reset with 120ms Delay
sequence control, which is designed primarily for
Open Drain Power Good for Regulator 1
DSP applications. These devices have extremely low
Ultralow 190A (typ) Quiescent Current
noise output performance without using any added
filter bypass capacitors and are designed to have a
1A Input Current During Standby
fast transient response and be stable with 10
F low
Low Noise: 65V
RMS Without Bypass Capacitor
ESR capacitors.
Quick Output Capacitor Discharge Feature
These devices have fixed 3.3V/2.5V, 3.3V/1.8V,
Two Manual Reset Inputs
3.3V/1.5V,
3.3V/1.2V,
and
adjustable/adjustable
2% Accuracy Over Load and Temperature
voltage options. Regulator 1 can support up to
250mA, and regulator 2 can support up to 125mA.
Undervoltage Lockout (UVLO) Feature
Separate
voltage
inputs
allow
the
designer
to
20-Pin PowerPAD TSSOP Package
configure the source power.
Thermal Shutdown Protection
1
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.
2
PowerPAD, TMS320 are trademarks of Texas Instruments.
3
All other trademarks are the property of their respective owners.
PRODUCTION DATA information is current as of publication date.
Copyright 2000–2007, Texas Instruments Incorporated
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
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相關代理商/技術參數 |
參數描述 |
|---|---|
| TPS70748 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:DUAL-OUTPUT LOW-DROPOUT VOLTAGE REGULATORS WITH POWER UP SEQUENCING FOR SPLIT VOLTAGE DSP SYSTEMS |
| TPS70748PWP | 功能描述:低壓差穩壓器 - LDO 3.3V/1.2V 250/125mA RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓（最大值）:307 mV 輸出電流:1 A 負載調節:0.3 % 輸出端數量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| TPS70748PWPG4 | 功能描述:低壓差穩壓器 - LDO Dual-Output LDO RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓（最大值）:307 mV 輸出電流:1 A 負載調節:0.3 % 輸出端數量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| TPS70748PWPR | 功能描述:低壓差穩壓器 - LDO Dual-Output LDO RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓（最大值）:307 mV 輸出電流:1 A 負載調節:0.3 % 輸出端數量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| TPS70748PWPRG4 | 功能描述:低壓差穩壓器 - LDO Dual-Output LDO RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓（最大值）:307 mV 輸出電流:1 A 負載調節:0.3 % 輸出端數量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-20 |
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