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ADP1610ARMZ-R7 PDF预览

ADP1610ARMZ-R7

更新时间: 2024-02-23 02:42:50
品牌 Logo 应用领域
亚德诺 - ADI 转换器稳压器开关式稳压器或控制器电源电路开关式控制器光电二极管升压转换器PC
页数 文件大小 规格书
16页 1082K
描述
1.2 MHz DC-DC Step-Up Switching Converter

ADP1610ARMZ-R7 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:TSSOP
包装说明:TSSOP,针数:8
Reach Compliance Code:unknown风险等级:5.67
Is Samacsys:N模拟集成电路 - 其他类型:SWITCHING REGULATOR
控制模式:CURRENT-MODE控制技术:PULSE WIDTH MODULATION
最大输入电压:5.5 V最小输入电压:2.5 V
标称输入电压:3.3 VJESD-30 代码:S-PDSO-G8
JESD-609代码:e3长度:3 mm
湿度敏感等级:1功能数量:1
端子数量:8最高工作温度:85 °C
最低工作温度:-40 °C最大输出电流:2 A
封装主体材料:PLASTIC/EPOXY封装代码:TSSOP
封装形状:SQUARE封装形式:SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
峰值回流温度(摄氏度):260座面最大高度:1.1 mm
表面贴装:YES切换器配置:BOOST
最大切换频率:1600 kHz温度等级:INDUSTRIAL
端子面层:MATTE TIN端子形式:GULL WING
端子节距:0.65 mm端子位置:DUAL
处于峰值回流温度下的最长时间:40宽度:3 mm
Base Number Matches:1

ADP1610ARMZ-R7 数据手册

 浏览型号ADP1610ARMZ-R7的Datasheet PDF文件第9页浏览型号ADP1610ARMZ-R7的Datasheet PDF文件第10页浏览型号ADP1610ARMZ-R7的Datasheet PDF文件第11页浏览型号ADP1610ARMZ-R7的Datasheet PDF文件第13页浏览型号ADP1610ARMZ-R7的Datasheet PDF文件第14页浏览型号ADP1610ARMZ-R7的Datasheet PDF文件第15页 
ADP1610  
The regulator loop gain is  
DIODE SELECTION  
The output rectifier conducts the inductor current to the output  
capacitor and load while the switch is off. For high efficiency,  
minimize the forward voltage drop of the diode. For this reason,  
Schottky rectifiers are recommended. However, for high voltage,  
high temperature applications, where the Schottky rectifier  
reverse leakage current becomes significant and can degrade  
efficiency, use an ultrafast junction diode.  
VFB  
VIN  
VOUT VOUT  
(14)  
×GMEA × ZCOMP ×GCS × ZOUT  
AVL  
=
×
where:  
A
V
V
V
G
VL is the loop gain.  
FB is the feedback regulation voltage, 1.230 V.  
OUT is the regulated output voltage.  
IN is the input voltage.  
Make sure that the diode is rated to handle the average output  
load current. Many diode manufacturers derate the current  
capability of the diode as a function of the duty cycle. Verify  
that the output diode is rated to handle the average output load  
current with the minimum duty cycle. The minimum duty cycle  
of the ADP1610 is  
MEA is the error amplifier transconductance gain.  
Z
COMP is the impedance of the series RC network from COMP to  
GND.  
G
CS is the current sense transconductance gain (the inductor  
current divided by the voltage at COMP), which is internally set  
by the ADP1610.  
VOUT VINMAX  
DMIN  
=
(12)  
VOUT  
Z
OUT is the impedance of the load and output capacitor.  
where VIN-MAX is the maximum input voltage.  
To determine the crossover frequency, it is important to note  
that, at that frequency, the compensation impedance (ZCOMP) is  
dominated by the resistor, and the output impedance (ZOUT) is  
dominated by the impedance of the output capacitor. So, when  
solving for the crossover frequency, the equation (by definition  
of the crossover frequency) is simplified to  
Table 6. Schottky Diode Manufacturers  
Vendor  
Motorola  
Diodes, Inc.  
Sanyo  
Phone No.  
Web Address  
602-244-3576  
805-446-4800  
310-322-3331  
www.mot.com  
www.diodes.com  
www.irf.com  
VFB  
V
1
(15)  
IN  
| A | =  
×
× GMEA× RCOMP×G ×  
=1  
VL  
CS  
LOOP COMPENSATION  
VOUT VOUT  
2π × fC ×COUT  
The ADP1610 uses external components to compensate the  
regulator loop, allowing optimization of the loop dynamics for a  
given application.  
where:  
fC is the crossover frequency.  
COMP is the compensation resistor.  
Solving for RCOMP  
The step-up converter produces an undesirable right-half plane  
zero in the regulation feedback loop. This requires compensat-  
ing the regulator such that the crossover frequency occurs well  
below the frequency of the right-half plane zero. The right-half  
plane zero is determined by the following equation:  
R
,
2π × fC ×COUT ×VOUT ×VOUT  
VFB ×VIN × GMEA × GCS  
(16)  
(17)  
R COMP  
=
2
VIN  
VOUT  
RLOAD  
2π×L  
FZ (RHP) =  
×
(13)  
For VFB = 1.23, GMEA = 100 µS, and GCS = 2 S,  
2.55×104 × fC ×COUT ×VOUT ×VOUT  
RCOMP  
=
where:  
FZ(RHP) is the right-half plane zero.  
VIN  
Once the compensation resistor is known, set the zero formed  
by the compensation capacitor and resistor to one-fourth of the  
crossover frequency, or  
R
LOAD is the equivalent load resistance or the output voltage  
divided by the load current.  
To stabilize the regulator, make sure that the regulator crossover  
frequency is less than or equal to one-fifth of the right-half  
plane zero and less than or equal to one-fifteenth of the  
switching frequency.  
2
(18)  
CCOMP  
=
π× fC ×RCOMP  
where CCOMP is the compensation capacitor.  
Rev. 0 | Page 12 of 16  
 

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