Datasheet 搜索 > 稳压芯片 > TI（德州仪器） > TPS74801DRCR 数据手册 > TPS74801DRCR 用户编程技术手册 1/38 页
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TPS74801DRCR 用户编程技术手册 - TI（德州仪器）
制造商:
TI（德州仪器）
分类:
稳压芯片
封装:
VSON-10
描述:
TEXAS INSTRUMENTS TPS74801DRCR 芯片, 可调稳压器, LDO 0.8V 至 3.6V 1.5A SON-10, 整卷
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引脚图在P4Hot
典型应用电路图在P1P16P19P20P21P22
原理图在P12P19P21
封装尺寸在P28P30P31
标记信息在P28P29
封装信息在P27P28P29P30P31
技术参数、封装参数在P5
应用领域在P1P19P20P21P22
电气规格在P7
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TPS74801DRCR数据手册
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0.5V/div V
OUT
V
EN
1V/div
Time(1ms/div)
C
SS
=2.2nF
C
SS
=1nF
C
SS
=0nF
1.2V
0V
TPS74801
GND
EN
FB
IN PG
BIAS
SS
OUT
V
IN
R
1
R
2
R
3
C
OUT
C
IN
C
SS
V
BIAS
C
BIAS
V
OUT
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TPS748
SBVS074K –JANUARY 2007–REVISED FEBRUARY 2015
TPS748 1.5-A Low-Dropout Linear Regulator With Programmable Soft-Start
1 Features 3 Description
The TPS748 low-dropout (LDO) linear regulator
1
• V
OUT
Range: 0.8 V to 3.6 V
provides an easy-to-use robust power management
• Ultralow V
IN
Range: 0.8 V to 5.5 V
solution for a wide variety of applications. User-
• V
BIAS
Range 2.7 V to 5.5 V
programmable soft-start minimizes stress on the input
power source by reducing capacitive inrush current
• Low Dropout: 60 mV Typical at 1.5 A, V
BIAS
= 5 V
on start-up. The soft-start is monotonic and well-
• Power Good (PG) Output Allows Supply
suited for powering many different types of
Monitoring or Provides a Sequencing Signal for
processors and ASICs. The enable input and power
Other Supplies
good output allow easy sequencing with external
• 2% Accuracy Over Line, Load, and Temperature
regulators. This complete flexibility permits the user to
configure a solution that meets the sequencing
• Programmable Soft-Start Provides Linear Voltage
requirements of FPGAs, DSPs, and other
Startup
applications with special start-up requirements.
• V
BIAS
Permits Low V
IN
Operation With Good
A precision reference and error amplifier deliver 2%
Transient Response
accuracy over load, line, temperature, and process.
• Stable With Any Output Capacitor ≥ 2.2 μF
The device is stable with any type of capacitor
• Available in a Small, 3-mm × 3-mm × 1-mm
greater than or equal to 2.2 μF, and is fully specified
VSON-10 and 5 × 5 QFN-20 Packages
for T
J
= –40°C to 125°C. The TPS748 is offered in a
small, 3-mm × 3-mm, VSON-10 package, yielding a
2 Applications
highly compact, total solution size. The device is also
available in a 5 × 5 QFN-20 package for compatibility
• FPGA Applications
with the TPS744.
• DSP Core and I/O Voltages
Device Information
(1)
• Post-Regulation Applications
PART NUMBER PACKAGE BODY SIZE (NOM)
• Applications With Special Start-up Time or
VSON (10) 3.00 mm x 3.00 mm
Sequencing Requirements
TPS748
VQFN (20) 5.00 mm x 5.00 mm
• Hot-Swap and Inrush Controls
(1) For all available packages, see the orderable addendum at
the end of the data sheet.
Typical Application Circuit (Adjustable)
Turnon Response
1
An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,
intellectual property matters and other important disclaimers. PRODUCTION DATA.
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