參數(shù)資料
型號(hào)： ADP1871ACPZ-0.3-R7
廠(chǎng)商： ANALOG DEVICES INC
元件分類(lèi)： 穩(wěn)壓器
英文描述： SWITCHING CONTROLLER, PDSO10
封裝： 3 X 3 MM, ROHS COMPLIANT, LFCSP-10
文件頁(yè)數(shù)： 2/44頁(yè)
文件大?。?/td> 1958K
代理商： ADP1871ACPZ-0.3-R7
ADP1870/ADP1871
TABLE OF CONTENTS
Features .............................................................................................. 1
Applications ...................................................................................... 1
General Description ......................................................................... 1
Typical Applications Circuit ........................................................... 1
Revision History ............................................................................... 2
Specifications .................................................................................... 3
Absolute Maximum Ratings ........................................................... 5
Thermal Resistance ...................................................................... 5
Boundary Condition .................................................................... 5
ESD Caution ................................................................................. 5
Pin Configuration and Function Descriptions ............................ 6
Typical Performance Characteristics ............................................. 7
ADP1870/ADP1871 Block Diagram ........................................... 18
Theory of Operation ...................................................................... 19
Startup .......................................................................................... 19
Soft Start ...................................................................................... 19
Precision Enable Circuitry ........................................................ 19
Undervoltage Lockout ............................................................... 19
On-Board Low Dropout Regulator .......................................... 19
Thermal Shutdown .................................................................... 20
Programming Resistor (RES) Detect Circuit ......................... 20
Valley Current-Limit Setting .................................................... 20
Hiccup Mode During Short Circuit ........................................ 21
Synchronous Rectifier ............................................................... 22
REVISION HISTORY
6/10—Rev. 0 to Rev. A
Added LFCSP Package ....................................................... Universal
Changes to Applications Section .................................................... 1
Changes to Internal Regulator Characteristics Parameter,
Table 1 ............................................................................................ 3
Changes to Table 2 and Table 3 ...................................................... 5
Changes to Figure 3 and Table 4 .................................................... 6
Change to Figure 22 ....................................................................... 10
Changes to Figure 65 ..................................................................... 18
Changes to Efficiency Considerations Section ........................... 26
Changes to Table 9 ................................................................................... 28
Added Figure 84; Renumbered Sequentially ...................................... 28
Added Figure 96 ....................................................................................... 41
Changes to Ordering Guide .................................................................. 42
3/10—Revision 0: Initial Version
Rev. A | Page 2 of 44
Power Saving Mode (PSM) Version (ADP1871) ................... 22
Timer Operation ........................................................................ 22
Pseudo-Fixed Frequency ........................................................... 23
Applications Information .............................................................. 24
Feedback Resistor Divider ........................................................ 24
Inductor Selection ...................................................................... 24
Output Ripple Voltage (ΔV
RR
) .................................................. 24
Output Capacitor Selection ...................................................... 24
Compensation Network ............................................................ 25
Efficiency Considerations ......................................................... 26
Input Capacitor Selection ......................................................... 27
Thermal Considerations ........................................................... 28
Design Example .......................................................................... 29
External Component Recommendations ................................... 31
Layout Considerations ................................................................... 33
IC Section (Left Side of Evaluation Board) ............................ 37
Power Section ............................................................................. 37
Differential Sensing ................................................................... 38
Typical Applications Circuits ........................................................ 39
15 A, 300 kHz High Current Application Circuit ................. 39
5.5 V Input, 600 kHz Application Circuit ............................... 39
300 kHz High Current Application Circuit ............................ 40
Outline Dimensions ....................................................................... 41
Ordering Guide .......................................................................... 42
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參數(shù)描述
ADP1871ACPZ-1.0-R7 功能描述:IC REG CTRLR BUCK PWM CM 10LFCSP RoHS:是 類(lèi)別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 切換控制器 系列:- 標(biāo)準(zhǔn)包裝:2,500 系列:- PWM 型:電流模式 輸出數(shù):1 頻率 - 最大:500kHz 占空比:96% 電源電壓:4 V ~ 36 V 降壓:無(wú) 升壓:是 回掃:無(wú) 反相:無(wú) 倍增器:無(wú) 除法器:無(wú) Cuk:無(wú) 隔離:無(wú) 工作溫度:-40°C ~ 125°C 封裝/外殼:24-WQFN 裸露焊盤(pán) 包裝:帶卷 (TR)
ADP1871ARMZ-0.3-R7 功能描述:IC REG CTRLR BUCK PWM CM 10-MSOP RoHS:是 類(lèi)別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 切換控制器 系列:- 標(biāo)準(zhǔn)包裝:2,500 系列:- PWM 型:電流模式 輸出數(shù):1 頻率 - 最大:500kHz 占空比:96% 電源電壓:4 V ~ 36 V 降壓:無(wú) 升壓:是 回掃:無(wú) 反相:無(wú) 倍增器:無(wú) 除法器:無(wú) Cuk:無(wú) 隔離:無(wú) 工作溫度:-40°C ~ 125°C 封裝/外殼:24-WQFN 裸露焊盤(pán) 包裝:帶卷 (TR)
ADP1871ARMZ-0.6-R7 功能描述:IC REG CTRLR BUCK PWM CM 10-MSOP RoHS:是 類(lèi)別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 切換控制器 系列:- 標(biāo)準(zhǔn)包裝:2,500 系列:- PWM 型:電流模式 輸出數(shù):1 頻率 - 最大:500kHz 占空比:96% 電源電壓:4 V ~ 36 V 降壓:無(wú) 升壓:是 回掃:無(wú) 反相:無(wú) 倍增器:無(wú) 除法器:無(wú) Cuk:無(wú) 隔離:無(wú) 工作溫度:-40°C ~ 125°C 封裝/外殼:24-WQFN 裸露焊盤(pán) 包裝:帶卷 (TR)
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ADP1871ARMZ-0V6-R7 制造商:Analog Devices 功能描述:
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