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ISL9305IRTHAANLZ-T

更新时间： 2024-02-10 22:50:49
品牌 Logo 应用领域
英特矽尔 - INTERSIL 转换器
页数 文件大小 规格书
16页 650K
描述
3MHz Dual 1.5A Step-Down Converters and Dual Low-Input LDOs with I2C Compatible

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ISL9305IRTHAANLZ-T 技术参数

生命周期：Unknown零件包装代码：TQFN
包装说明：HVQCCN, LCC16,.16SQ,25针数：16
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：5.66
可调阈值：YES模拟集成电路 - 其他类型：POWER SUPPLY SUPPORT CIRCUIT
JESD-30 代码：S-PQCC-N16JESD-609代码：e3
长度：4 mm湿度敏感等级：3
信道数量：1功能数量：1
端子数量：16最高工作温度：85 °C
最低工作温度：-40 °C封装主体材料：PLASTIC/EPOXY
封装代码：HVQCCN封装等效代码：LCC16,.16SQ,25
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电源：2.5/5 V
认证状态：Not Qualified座面最大高度：0.8 mm
子类别：Power Management Circuits最大供电电流 (Isup)：7.5 mA
最大供电电压 (Vsup)：5.5 V最小供电电压 (Vsup)：2.3 V
标称供电电压 (Vsup)：3.3 V表面贴装：YES
温度等级：INDUSTRIAL端子面层：Matte Tin (Sn) - annealed
端子形式：NO LEAD端子节距：0.65 mm
端子位置：QUAD处于峰值回流温度下的最长时间：NOT SPECIFIED
宽度：4 mmBase Number Matches：1

ISL9305IRTHAANLZ-T 数据手册

 浏览型号ISL9305IRTHAANLZ-T的Datasheet PDF文件第2页浏览型号ISL9305IRTHAANLZ-T的Datasheet PDF文件第3页浏览型号ISL9305IRTHAANLZ-T的Datasheet PDF文件第4页浏览型号ISL9305IRTHAANLZ-T的Datasheet PDF文件第5页浏览型号ISL9305IRTHAANLZ-T的Datasheet PDF文件第6页浏览型号ISL9305IRTHAANLZ-T的Datasheet PDF文件第7页 
3MHz Dual 1.5A Step-Down Converters and Dual  
2
Low-Input LDOs with I C Compatible Interface  
ISL9305H  
Features  
ISL9305H is an integrated mini Power Management IC (mini-  
PMIC) for powering low-voltage microprocessor, or applications  
using a single Li-Ion or Li-Polymer cell battery to power multiple  
voltage rails. ISL9305H integrates two high-efficiency 3MHz  
synchronous step-down converters (DCD1 and DCD2) and two  
low-input, low-dropout linear regulators (LDO1 and LDO2).  
• Dual 1.5A, Synchronous Step-down Converters and Dual  
300mA, General-purpose LDOs  
• Input Voltage Range  
- DCD1/DCD2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.5V to 5.5V  
- LDO1/LDO2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.5V to 5.5V  
2
• 400kb/s I C-Bus Series Interface Transfers the Control Data  
The 3MHz PWM switching frequency allows the use of very  
small external inductors and capacitors. Both step-down  
converters can enter skip mode under light load conditions to  
further improve the efficiency and maximize the battery life.  
For noise sensitive applications, they can also be programmed  
Between the Host Controller and the ISL9305H  
• Adjustable Output Voltage  
- DCD1/DCD2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.8V to V  
IN  
2
- Fixed Output I C Programmability  
2
through I C interface to operate in forced PWM mode  
2
• At 25mV/Step . . . . . . . . . . . . . . . . . . . . . . . . . .0.825V to 3.6V  
regardless of the load current condition. The I C interface  
2
supports on-the-fly slew rate control of the output voltage from  
0.825V to 3.6V at 25mV/step size for dynamic power saving.  
Each step-down converter can supply up to 1.5A load current.  
The default output voltage can be set from 0.8V to VIN using  
external feedback resistors on the adjustable version, or the  
ISL9305H can be ordered in factory pre-set power-up default  
voltages in increments of 100mV from 0.9V to 3.6V.  
• LDO1/LDO2 Output Voltage I C Programmability  
- At 50mV/Step . . . . . . . . . . . . . . . . . . . . . . . . . . 0.9V to 3.3V  
• 50μA I (Typ) with DCD1/DCD2 in Skip Mode; 20μA I (Typ)  
Q
Q
for Each Enabled LDO  
2
• On-the-fly I C Programming of DC/DC and LDO Output  
Voltages  
2
ISL9305H also provides two 300mA low dropout (LDO)  
• DCD1/DCD2 I C Programmable Skip Mode Under Light  
regulators. The input voltage range is 1.5V to 5.5V allowing them  
to be powered from one of the on-chip step-down converters or  
directly from the battery. The default LDO output comes with  
factory pre-set fixed output voltage options between 0.9V to 3.3V.  
Load or Forced Fixed Switching Frequency PWM Mode  
• Small, Thin 4mmx4mm TQFN Package  
Applications  
• Cellular Phones, Smart Phones  
ISL9305H is available in a 4mmx4mm 16 Ld TQFN package.  
• PDAs, Portable Media Players, Portable Instruments  
• Single Li-Ion/Li-Polymer Battery-Powered Equipment  
• DSP Core Power  
Related Literature  
• FN7605, ISL9305 Data Sheet  
• AN1564 “ISL9305IRTZEVAL1Z and ISL9305HIRTZEVAL1Z  
Evaluation Boards”  
L
= 1.5µH  
1
2
1.5A  
PG  
SW1  
FB1  
2.5V TO 5.5V  
VINDCD1  
*
R
1
C
10µF  
4
VINDCD2  
R
C
10µF  
2
10  
L
= 1.5µH  
1.5A  
SDAT  
SCLK  
SW2  
FB2  
*
ISL9305H  
R
3
C
5
10µF  
1.5V TO 5.5V  
R
4
VINLDO1  
C
1µF  
2
300mA  
300mA  
VOLDO1  
VOLDO2  
1.5V TO 5.5V  
VINLDO2  
GNDDCD1 GNDDCD2  
C
1µF  
3
C
1µF  
C
7
1µF  
GNDLDO  
6
*ONLY FOR ADJUSTABLE OUTPUT VERSION. FOR FIXED OUTPUT VERSION, DIRECTLY  
CONNECT THE FB PIN TO THE OUTPUT OF THE BUCK CONVERTER.  
FIGURE 1. TYPICAL APPLICATION DIAGRAM  
November 8, 2010  
FN7724.0  
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.  
1-888-INTERSIL or 1-888-468-3774 |Copyright Intersil Americas Inc. 2010. All Rights Reserved  
Intersil (and design) is a trademark owned by Intersil Corporation or one of its subsidiaries.  
All other trademarks mentioned are the property of their respective owners.  
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