Datasheet 搜索 > 稳压芯片 > TI（德州仪器） > LP38690DT-3.3/NOPB 数据手册 > LP38690DT-3.3/NOPB 数据手册 1/32 页
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LP38690DT-3.3/NOPB 数据手册 - TI（德州仪器）
制造商:
TI（德州仪器）
分类:
稳压芯片
封装:
TO-252-3
描述:
TEXAS INSTRUMENTS LP38690DT-3.3/NOPB 芯片, 稳压器, LDO, 3.3V, 1A, TO-252
Pictures:
3D模型
符号图
焊盘图
引脚图
产品图
页面导航:
引脚图在P3Hot
典型应用电路图在P11P12P15
原理图在P1P11P12
封装尺寸在P22P23P24P26P27P28
标记信息在P22P23P24
封装信息在P21P22P23P24P25P26P27P28
技术参数、封装参数在P1P4
应用领域在P1P15P32
电气规格在P5P6P7P8P9P10
导航目录
LP38690DT-3.3/NOPB数据手册
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LP38692
IN
OUT
SNS
**
GND
1 PF *
1 PF *
V
OUT
V
IN
V
EN
EN
LP38690
IN
OUT
SNS
**
GND
V
OUT
V
IN
1 µF*
1 µF*
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LP38690
,
LP38692
SNVS322K –DECEMBER 2004–REVISED DECEMBER 2014
LP38690, LP38692 1-A Low Dropout CMOS Linear Regulators
Stable with Ceramic Output Capacitors
1 Features 3 Description
The LP38690 and LP38692 low-dropout CMOS linear
1
• Wide Input Voltage Range (2.7 V to 10 V)
regulators provide tight output tolerance (2.5%
• 2.5% Output Accuracy (25°C)
typical), extremely low dropout voltage (450 mV at a
• Low Dropout Voltage: 450 mV at 1 A
1-A load current, V
OUT
= 5 V), and excellent AC
(typical, 5 V
OUT
)
performance utilizing ultra low ESR ceramic output
capacitors.
• Precision (Trimmed) Bandgap Reference
• Ensured Specifications for -40°C to 125°C
The low thermal resistance of the WSON, SOT-223,
and TO-252 packages allow the full operating current
• 1-µA Off-State Quiescent Current
to be used even in high ambient temperature
• Thermal Overload Protection
environments.
• Foldback Current Limiting
The use of a PMOS power transistor means that no
• 3-Lead TO-252, 5-Lead SOT-223, and 6-Bump
DC base drive current is required to bias it allowing
WSON Packages
ground pin current to remain below 100 µA
• Enable Pin (LP38692) regardless of load current, input voltage, or operating
temperature.
• Ground Pin Current: 55 µA (typical) at Full Load
• Precision Output Voltage: 2.5% (25°C) Accuracy
Device Information
(1)
PART NUMBER PACKAGE BODY SIZE (NOM)
2 Applications
TO-252 (3) 6.58 mm x 6.10 mm
LP38690
• Hard Disk Drives
WSON (6) 3.00 mm x 3.00 mm
• Notebook Computers
SOT-223 (5) 6.50 mm x 3.56 mm
LP38692
• Battery Powered Devices
WSON (6) 3.00 mm x 3.00 mm
• Portable Instrumentation
(1) For all available packages, see the orderable addendum at
the end of the datasheet.
Simplified Schematic for LP38690 Simplified Schematic for LP38692
* Minimum value required for stability.
* Minimum value required for stability.
**WSON package devices only.
**WSON package devices only.
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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