Datasheet 搜索 > DC/DC转换器 > TI（德州仪器） > TPS54335-1ADRCT 数据手册 > TPS54335-1ADRCT 数据手册 5/46 页
￥ 0.492
TPS54335-1ADRCT 数据手册 - TI（德州仪器）
制造商:
TI（德州仪器）
分类:
DC/DC转换器
封装:
VFDFN-10
描述:
TEXAS INSTRUMENTS TPS54335-1ADRCT 直流-直流开关同步降压稳压器, 可调, 4.5V-28V输入, 800mV-24V/3A输出, 1.5 MHz, VSON-10
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P20P28
原理图在P1P10P20P28
封装尺寸在P35P37P38
标记信息在P35P36
封装信息在P19P34P35P36P37P38
技术参数、封装参数在P4
应用领域在P1P20P46
电气规格在P5P6
导航目录
TPS54335-1ADRCT数据手册
Page:
of 46 Go
若手册格式错乱，请下载阅览PDF原文件
TPS54335A
,
TPS54335-1A
,
TPS54336A
www.ti.com
SLVSCD5C –NOVEMBER 2014–REVISED JULY 2015
7.4 Thermal Information
TPS5433xA TPS5433xA and
TPS54335-1A
THERMAL METRIC
(1)
UNIT
DDA (SO PowerPAD) DRC (VSON)
8 PINS 10 PINS
R
θJA
Junction-to-ambient thermal resistance 42.1 43.9 °C/W
R
θJC(top)
Junction-to-case (top) thermal resistance 50.9 55.4 °C/W
R
θJB
Junction-to-board thermal resistance 31.8 18.9 °C/W
ψ
JT
Junction-to-top characterization parameter 8 0.7 °C/W
ψ
JB
Junction-to-board characterization parameter 13.5 19.1 °C/W
R
θJC(bot)
Junction-to-case (bottom) thermal resistance 7.1 5.3 °C/W
(1) For more information about traditional and new thermal metrics, see the IC Package Thermal Metrics application report, SPRA953.
7.5 Electrical Characteristics
The electrical ratings specified in this section apply to all specifications in this document unless otherwise noted. These
specifications are interpreted as conditions that will not degrade the parametric or functional specifications of the device for
the life of the product containing it. T
J
= –40°C to 150°C, V
IN
= 4.5 to 28 V, (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
SUPPLY VOLTAGE AND UVLO (VIN PIN)
Operating input voltage 4.5 28 V
Input UVLO threshold Rising V
IN
4 4.5 V
Input UVLO hysteresis 180 400 mV
VIN-shutdown supply current V
EN
= 0 V 2 10 µA
VIN-operating non-switching supply
V
VSENSE
= 810 mV 310 800 µA
current
ENABLE (EN PIN)
Enable threshold Rising 1.21 1.28 V
Enable threshold Falling 1.1 1.17 V
Input current V
EN
= 1.1 V 1.15 µA
Hysteresis current V
EN
= 1.3 V 3.3 µA
VOLTAGE REFERENCE
T
J
=25°C 0.7936 0.8 0.8064
Reference V
0.788 0.8 0.812
MOSFET
V
(BOOT-PH)
= 3 V 160 280 mΩ
High-side switch resistance
(1)
V
(BOOT-PH)
= 6 V 128 230 mΩ
Low-side switch resistance
(1)
V
IN
= 12 V 84 170 mΩ
ERROR AMPLIFIER
Error-amplifier transconductance (gm) –2 µA < I
COMP
< 2 µA, V
COMP
= 1 V 1300 µmhos
Error-amplifier source and sink V
COMP
= 1 V, 100-mV overdrive 100 µA
Start switching peak current threshold 0.5 A
COMP to I
SWITCH
gm 8 A/V
CURRENT-LIMIT
High-side switch current-limit threshold 4 4.9 6.5 A
Low-side switch sourcing current-limit 3.5 4.7 6.1 A
Low-side switch sinking current-limit 0 A
(1) Measured at pins
Copyright © 2014–2015, Texas Instruments Incorporated Submit Documentation Feedback 5
Product Folder Links: TPS54335A TPS54335-1A TPS54336A
器件 Datasheet 文档搜索
AiEMA 数据库涵盖高达 72,405,303 个元件的数据手册，每天更新 5,000 多个 PDF 文件
