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ISL9305IRTHAANLZ-T

更新时间： 2024-11-14 02:57:39
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瑞萨 - RENESAS /
页数 文件大小 规格书
17页 808K
描述
3MHz Dual 1.5A Step-Down Converters and Dual Low-Input LDOs with I2C Compatible Interface

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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：8542.39.00.01Factory Lead Time：17 weeks
风险等级：5.63可调阈值：YES
模拟集成电路 - 其他类型：POWER SUPPLY SUPPORT CIRCUITJESD-30 代码：S-PQCC-N16
JESD-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：3/5 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)：2.5 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 mm
Base Number Matches：1

ISL9305IRTHAANLZ-T 数据手册

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DATASHEET  
ISL9305H  
FN7724  
Rev 2.00  
March 7, 2014  
2
3MHz Dual 1.5A Step-Down Converters and Dual Low-Input LDOs with I C  
Compatible Interface  
The ISL9305H is an integrated mini Power Management IC  
(mini-PMIC) for powering low-voltage microprocessors, or  
Features  
• Dual 1.5A, Synchronous Step-down Converters and Dual  
300mA, General-purpose LDOs  
applications using a single Li-Ion or Li-Polymer cell battery to  
power multiple voltage rails. The ISL9305H integrates two  
high-efficiency 3MHz synchronous step-down converters (DCD1  
and DCD2) and two low-input, low-dropout linear regulators  
(LDO1 and LDO2).  
• Input Voltage Range  
- DCD1/DCD2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.5V to 5.5V  
- LDO1/LDO2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.5V to 5.5V  
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  
2
• 400kb/s I C-Bus Series Interface Transfers the Control Data  
Between the Host Controller and the ISL9305H  
• Adjustable Output Voltage  
- VODCD1/VODCD2 . . . . . . . . . . . . . . . . . . . . . . . . 0.8V to V  
IN  
2
through I C interface to operate in forced PWM mode  
2
• Fixed Output I C Programmability  
2
regardless of the load current condition. The I C interface  
- At 25mV/Step . . . . . . . . . . . . . . . . . . . . . . . .0.825V to 3.6V  
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 voltage options  
from 0.9V to 3.6V in 50mV step.  
2
• LDO1/LDO2 Output Voltage I C Programmability  
- At 50mV/Step . . . . . . . . . . . . . . . . . . . . . . . . . . 0.9V to 3.6V  
• 50μA I (Typ) with DCD1/DCD2 in Skip Mode; 20μA I (Typ)  
for Each Enabled LDO  
Q
Q
2
• On-the-fly I C Programming of DC/DC and LDO Output  
Voltages  
The ISL9305H also provides two 300mA low dropout (LDO)  
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.  
2
• DCD1/DCD2 I C Programmable Skip Mode Under Light  
Load or Forced Fixed Switching Frequency PWM Mode  
• Small, Thin 4mmx4mm TQFN Package  
Applications  
The ISL9305H is available in a 4mmx4mm 16 Ld TQFN package.  
• Cellular Phones, Smart Phones  
Related Literature  
• FN7605, ISL9305 Data Sheet  
• PDAs, Portable Media Players, Portable Instruments  
• Single Li-Ion/Li-Polymer Battery-Powered Equipment  
• DSP Core Power  
• AN1564 “ISL9305 and ISL9305H Evaluation Boards”  
L
= 1.5µH  
R
1
1.5A  
PG  
SW1  
FB1  
2.5V TO 5.5V  
VINDCD1  
*
C
1
4
R
R
2
VINDCD2  
10µF  
C
10µF  
10  
L
= 1.5µH  
R
2
1.5A  
SDAT  
SCLK  
SW2  
FB2  
ISL9305H  
*
C
5
10µF  
1.5V TO 5.5V  
1.5V TO 5.5V  
3
VINLDO1  
4
C
1µF  
2
300mA  
300mA  
VOLDO1  
VOLDO2  
VINLDO2  
C
1µF  
3
C
1µF  
C
7
1µF  
6
GNDDCD1 GNDDCD2 GNDLDO  
*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  
FN7724 Rev 2.00  
March 7, 2014  
Page 1 of 17  
1234567...17

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