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TPS51120RHBR PDF预览

TPS51120RHBR

更新时间： 2024-01-18 21:23:00
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德州仪器 - TI 稳压器控制器
页数 文件大小 规格书
34页 615K
描述
DUAL CURRENT MODE, SYNCHRONOUS STEP-DOWN CONTROLLER WITH 100-mA STANDBY REGULATORS FOR NOTEBOOK SYSTEM POWER

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TPS51120RHBR 技术参数

是否无铅： 不含铅是否Rohs认证： 符合
生命周期：Active零件包装代码：QFN
包装说明：HVQCCN,针数：32
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01Factory Lead Time：1 week
风险等级：0.85模拟集成电路 - 其他类型：DUAL SWITCHING CONTROLLER
控制模式：CURRENT-MODE控制技术：PULSE WIDTH MODULATION
最大输入电压：28 V最小输入电压：4.5 V
标称输入电压：12 VJESD-30 代码：S-PQCC-N32
JESD-609代码：e4长度：5 mm
湿度敏感等级：2功能数量：1
端子数量：32最高工作温度：85 °C
最低工作温度：-40 °C最大输出电流：0.1 A
最大输出电压：5.5 V最小输出电压：1 V
封装主体材料：PLASTIC/EPOXY封装代码：HVQCCN
封装形状：SQUARE封装形式：CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE
峰值回流温度（摄氏度）：260认证状态：Not Qualified
座面最大高度：1 mm表面贴装：YES
切换器配置：PUSH-PULL最大切换频率：500 kHz
温度等级：INDUSTRIAL端子面层：Nickel/Palladium/Gold (Ni/Pd/Au)
端子形式：NO LEAD端子节距：0.5 mm
端子位置：QUAD处于峰值回流温度下的最长时间：NOT SPECIFIED
宽度：5 mmBase Number Matches：1

TPS51120RHBR 数据手册

 浏览型号TPS51120RHBR的Datasheet PDF文件第2页浏览型号TPS51120RHBR的Datasheet PDF文件第3页浏览型号TPS51120RHBR的Datasheet PDF文件第4页浏览型号TPS51120RHBR的Datasheet PDF文件第5页浏览型号TPS51120RHBR的Datasheet PDF文件第6页浏览型号TPS51120RHBR的Datasheet PDF文件第7页 
TPS51120  
www.ti.com  
SLUS670A–JULY 2005–REVISED AUGUST 2005  
DUAL CURRENT MODE, SYNCHRONOUS STEP-DOWN CONTROLLER WITH 100-mA  
STANDBY REGULATORS FOR NOTEBOOK SYSTEM POWER  
FEATURES  
DESCRIPTION  
•
3.3-V and 5-V 100-mA Bootstrapped Standby  
The TPS51120 is a highly sophisticated dual current  
mode synchronous step-down controller. It is a full  
featured controller designed to run directly off a three-  
or four-cell Li-ion battery and provide high-power and  
5-V and/or 3.3-V standby regulation for all the down-  
stream circuitry in a notebook computer system. High  
current, 100-mA, 5-V or 3.3-V on-board linear regu-  
lators have glitch-free switch over function to SMPS  
and can be kept alive independently during standby  
state. The pseudo-constant frequency adaptive  
on-time control scheme supports full range of current  
mode operation including simplified loop compen-  
sation, ceramic output capacitors as well as seamless  
transition to reduced frequency operation at light-load  
condition. Optional D-CAP™ mode operation  
optimized for SP-CAP or POSCAP output capacitors  
allows further reduction of external compensation  
parts. Dynamic UVP supports VIN line sag without  
latch off by hitting 5V UVP. No negative voltage  
appears at output voltage node during UVLO, UVP,  
and OCP, OTP or loss of VIN.  
Regulators with Independent Enables  
Selectable D-CAP® Mode Enables Fast  
Transient Response Less than 100 ns  
•
•
•
•
•
•
•
Selectable Low Ripple Current Mode  
Less than 1% Internal Reference Accuracy  
Selectable PWM-only/Auto-skip Modes  
Low-side RDS(on) Loss-less Current Sensing  
RSENSE Accurate Current Sense Option  
Internal Soft-start and Integrated VOUT  
Discharge Transistors  
Integrated 2-V Reference  
Adaptive Gate Drivers with Integrated Boost  
Diode  
Power Good for Each Channel with Delay  
Timer  
•
•
•
•
•
Fault Disable Mode  
Supply Input Voltage Range: 4.5 V to 28 V  
The TPS51120 32-pin QFN package is specified from  
–40°C to 85°C ambient temperature.  
APPLICATIONS  
•
Notebook Computers System Bus and I/O  
V5FILT  
C31  
1 nF  
R11  
100 kΩ  
R21  
100 kΩ  
GND  
8
7
6
5
4
3
2
1
EN_LDO5  
P_GOOD2  
9
32  
SKIPSEL  
P_GOOD1  
EN5  
GND  
10 EN3  
TONSEL 31  
PGOOD1 30  
EN1 29  
EN_LDO3  
VBAT  
VBAT  
11 PGOOD2  
12 EN2  
TPS51120RHB  
(QFN−32)  
EN_2  
EN_1  
C10  
20 µF  
C10  
20 µF  
13 VBST2  
14 DRVH2  
15 LL2  
VBST1 28  
DRVH1 27  
LL1 26  
C11  
0.1 µF  
Q3  
Q1  
IRF7821  
C21  
0.1 µF  
IRF7821  
L1  
4.7 µH  
L2  
2.2 µH  
VO2  
3.3V/6A  
VO1  
5V/6A  
+
+
C2A  
150 µF  
PowerPAD  
C2B  
150 µF  
C1A  
150 µF  
C1B  
150 µF  
Q4  
IRF7832  
Q2  
IRF7832  
DRVL1  
25  
DRVL2  
16  
17  
18  
19  
20  
21  
22  
23  
24  
VO1_GND  
−
VO2_GND  
−
PGND1  
R22  
3.3 kΩ  
R50  
5.1  
PGND2  
R12  
3.6 kΩ  
W
VBAT  
C30  
NA  
C30  
10 µF  
C51  
1 µF  
C50  
10 µF  
UDG−05074  
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.  
D-CAP is a registered trademark of Texas Instruments.  
PRODUCTION DATA information is current as of publication date.  
Products conform to specifications per the terms of the Texas  
Instruments standard warranty. Production processing does not  
necessarily include testing of all parameters.  
Copyright © 2005, Texas Instruments Incorporated  
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TPS51120RHBR 替代型号

型号 品牌 替代类型 描述 数据表
TPS51120RHBTG4 TI

完全替代

 DUAL CURRENT MODE, SYNCHRONOUS STEP-DOWN CONTROLLER WITH 100-mA STANDBY REGULATORS FOR NOT
TPS51120RHBT TI

类似代替

 DUAL CURRENT MODE, SYNCHRONOUS STEP-DOWN CONTROLLER WITH 100-mA STANDBY REGULATORS FOR NOT
TPS51120RHBRG4 TI

类似代替

 DUAL CURRENT MODE, SYNCHRONOUS STEP-DOWN CONTROLLER WITH 100-mA STANDBY REGULATORS FOR NOT

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