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参数资料
| 型号： | MAX8686EVKIT+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 2/23页 |
| 文件大小： | 0K |
| 描述： | BOARD EVAL FOR MAX8686 |
| 标准包装： | 1 |
| 主要目的： | DC/DC，步降 |
| 输出及类型： | 1，非隔离 |
| 输出电压： | 0.7 V ~ 5.5 V |
| 电流 - 输出： | 25A |
| 输入电压： | 4.5 V ~ 20 V |
| 稳压器拓扑结构： | 降压 |
| 频率 - 开关： | 300kHz ~ 1MHz |
| 板类型： | 完全填充 |
| 已供物品： | 板 |
| 已用 IC / 零件： | MAX8686 |
Single/Multiphase, Step-Down,
DC-DC Converter Delivers Up to 25A Per Phase
ABSOLUTE MAXIMUM RATINGS
IN, INA to PGND.....................................................-0.3V to +22V
BST, DH to LX...........................................................-0.3V to +6V
BST to PGND..........................................................-0.3V to +28V
LX to PGND...........................-0.3V to (V IN + 0.3V) (-2V for 50ns)
BST to VL................................................................-0.3V to +22V
AVL to GND.................................................-0.3V to (V VL + 0.3V)
COMP, ILIM, FREQ, PHASE/REFO, RS+, RS-, POK, REFIN,
CS+, CS- to GND ..................................-0.3V to (V AVL + 0.3V)
VL to PGND ..............................................................-0.3V to +6V
EN/SLOPE to GND ...................................................-0.3V to +6V
RTN to PGND to GND to GFREQ ..........................-0.3V to +0.3V
LX Continuous Current ....................................................25A RMS
Continuous Power Dissipation (T A = +70°C) (Note 1)
40-Pin TQFN (derate 50mW/°C above +70°C) ..........4000mW
θ JC (thermal resistance from junction to exposed pad)
(Note 1) ......................................................................3.5°C/W
θ JT (thermal resistance from junction to top) (Note 1) ...3.9°C/W
Operating Temperature Range ...........................-40°C to +85°C
Junction Temperature ......................................................+150°C
Storage Temperature Range .............................-65°C to +150°C
Lead Temperature (soldering, 10s) .................................+300°C
Soldering Temperature (reflow) .......................................+260°C
IN Continuous Current.....................................................20A RMS
Note 1: Package thermal resistances were obtained using the method described in JEDEC specification JESD51-7, using a four-layer
board. For detailed information on package thermal considerations see www.maxim-ic.com/thermal-tutorial .
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
ELECTRICAL CHARACTERISTICS
(V IN = V INA = 12V, VL = AVL, V REFIN = 1V, V RS+ - V RS- = 1V, V RS- = 0V, V EN/SLOPE = 1.25V, V CS+ = V CS- = 1V, R ILIM = 122k Ω , C VL = 1μF,
C AVL = 0.22μF, C FREQ = 270pF, T A = +25°C, unless otherwise noted.) (Note 2)
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
GENERAL
Operating Input-Voltage Range
Operating Input-Voltage Range
V INA = V IN , T A = -40°C to +85°C
V IN = V INA = V VL = V AVL , T A = -40°C to +85°C
6
4.5
20
5.5
V
V
IN/INA Shutdown Supply Current
V EN/SLOPE = 0V,
V IN = V INA = 20V
T A = +25°C
T A = +85°C
450
500
μA
IN/INA Quiescent Supply Current
V RS+ = 1.1V, no switching; V IN = V INA = 20V,
T A = -40°C to +85°C
5.5
6.6
mA
AVL Undervoltage Lockout Trip
Level
VL Output Voltage
Rising, T A = -40°C to +85°C
Falling
6V ≤ V IN = V INA ≤ 20V, 1mA ≤ I VL ≤ 30mA,
T A = -40°C to +85°C
4.2
5.2
4.35
4.03
5.4
4.45
5.5
V
V
SOFT-START (SS)
SS Shutdown Resistance
V EN/SLOPE = 0V (master mode)
20
100
Ω
SS Soft-Start Current
V SS = 0.4V and 1.1V, T A = -40°C to +85°C
19
25
31
μA
PHASE COMPARATOR AND REFERENCE (PHASE/REFO)
Reference Output Voltage
PHASE Comparator Offset
Measured at PHASE/REFO (master mode),
T A = -40°C to +85°C
V RS- = V AVL (slave mode), V PHASE = 0.3V and 2.5V,
T A = -40°C to +85°C
3.267
-20
3.300
3.333
+20
V
mV
REFIN INPUT
REFIN Input Bias Current
REFIN Input Voltage Range
V REFIN = 0.7V or 3.3V
-500
0
+500
3.3
nA
V
2
_______________________________________________________________________________________
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相关代理商/技术参数 |
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|---|---|
| MAX8686EVKIT# | 功能描述:电源管理IC开发工具 MAX8686 Eval Kit RoHS:否 制造商:Maxim Integrated 产品:Evaluation Kits 类型:Battery Management 工具用于评估:MAX17710GB 输入电压: 输出电压:1.8 V |
| MAX8686EVKIT+ | 功能描述:电源管理IC开发工具 MAX8686 Eval Kit RoHS:否 制造商:Maxim Integrated 产品:Evaluation Kits 类型:Battery Management 工具用于评估:MAX17710GB 输入电压: 输出电压:1.8 V |
| MAX8687ETL+ | 制造商:Maxim Integrated Products 功能描述:SINGLE /MULTIPHASE, DC/DC CONVERTER - Rail/Tube |
| MAX8688AHETG+ | 功能描述:电流和电力监控器、调节器 Digital Power-Supply Controller/Monitor RoHS:否 制造商:STMicroelectronics 产品:Current Regulators 电源电压-最大:48 V 电源电压-最小:5.5 V 工作温度范围:- 40 C to + 150 C 安装风格:SMD/SMT 封装 / 箱体:HPSO-8 封装:Reel |
| MAX8688AHETG+T | 功能描述:电流和电力监控器、调节器 Digital Power-Supply Controller/Monitor RoHS:否 制造商:STMicroelectronics 产品:Current Regulators 电源电压-最大:48 V 电源电压-最小:5.5 V 工作温度范围:- 40 C to + 150 C 安装风格:SMD/SMT 封装 / 箱体:HPSO-8 封装:Reel |
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