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| 型号： | MAX8655ETN+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 2/23页 |
| 文件大小： | 0K |
| 描述： | IC REG BUCK ADJ 25A 56TQFN |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 37 |
| 类型： | 降压（降压） |
| 输出类型： | 可调式 |
| 输出数： | 1 |
| 输出电压： | 0.7 V ~ 5.5 V |
| 输入电压： | 4.5 V ~ 25 V |
| PWM 型： | 电流模式 |
| 频率 - 开关： | 200kHz ~ 1MHz |
| 电流 - 输出： | 25A |
| 同步整流器： | 无 |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 56-WFQFN 裸露焊盘 |
| 包装： | 管件 |
| 供应商设备封装： | 56-TQFN-EP（8x8） |
Highly Integrated, 25A, Wide-Input,
Internal MOSFET, Step-Down Regulator
ABSOLUTE MAXIMUM RATINGS
PVIN, IN, EN to GND ..............................................-0.3V to +30V
BST to LXB ............................................................-0.3V to +7.5V
LX, LXB to GND............ (-2.5V for < 50ns transient) -1V to +30V
ILIM2, ILIM1, SYNCO, FSYNC, OVP,
SCOMP to GND .....................................-0.3V to (V AVL + 0.3V)
VL to PGND ...........................................................-0.3V to +7.5V
AVL, FB, POK, COMP, SS, MODE, REFIN to GND ..-0.3V to +6V
CS+, CS- to GND ....................................................-0.3V to +6V
PGND to GND to VLGND ......................................-0.3V to +0.3V
Operating Junction Temperature Range .......... -40°C to +125°C
Junction Temperature ......................................................+150°C
θ JC (thermal resistance from
junction to exposed pad) (Note 1) ...............................3.5°C/W
θ JT (thermal resistance from junction to the top) ............3.9°C/W
I LX(RMS) ..................................................................................27A
Storage Temperature Range .............................-65°C to +150°C
Lead Temperature (soldering, 10s) .................................+300°C
Soldering Temperature (reflow) .......................................+260°C
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, refer to 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 = 12V, V BST - V LX = 6.5V, T A = -40°C to +85°C, circuit of Figure 4, typical values are at T A = +25°C, unless otherwise noted.) (Note 2)
PARAMETER
PVIN Operating Voltage Range
CONDITIONS
MIN
3
TYP
MAX
25
UNITS
V
IN Operating Voltage Range
IN Quiescent Supply Current
VL = IN for V IN < 7V
V FB = 0.75V, no switching
4.5
2
25.0
3
V
mA
Shutdown Supply Current
PVIN Shutdown Supply Current
EN = GND, V IN ≤ 28V
I IN + I VL + I AVL , EN = GND, V AVL = V VL = V IN = 5V
V PVIN = V LX = V BST
1
10
32
μA
μA
AVL Undervoltage-Lockout
Threshold
Output-Voltage Adjust Range
VL Regulation Voltage
AVL Regulation Voltage
V AVL rising, 3% typical hysteresis
Minimum output voltage is limited by minimum duty cycle
and external components
7V < V IN < 28V
5.5V < V VL < 7V, 1mA < I LOAD < 10mA
3.90
0.7
6.0
4.900
4.15
6.5
4.975
4.40
5.5
7.0
5.050
V
V
V
V
AVL Output Current
SOFT-START
10
mA
SS Shutdown Resistance
From SS to GND, V EN = 0V
20
100
?
SS Soft-Start Current
V REF = 0.625V
18
23
28
μA
REFIN INPUT
REFIN Dual Mode? Threshold
V AVL -
1.0V
V AVL
V
REFIN Input Bias Current
REFIN Input Voltage Range
V REFIN = 0.7V to 1.5V
-250
0
+250
1.5
nA
V
Dual Mode is a trademark of Maxim Integrated Products, Inc.
2
_______________________________________________________________________________________
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX8655ETN/GG8 | 功能描述:直流/直流开关调节器 RoHS:否 制造商:International Rectifier 最大输入电压:21 V 开关频率:1.5 MHz 输出电压:0.5 V to 0.86 V 输出电流:4 A 输出端数量: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:PQFN 4 x 5 |
| MAX8655ETN+ | 功能描述:直流/直流开关调节器 25A Int MOSFET Step-Down Regulator RoHS:否 制造商:International Rectifier 最大输入电压:21 V 开关频率:1.5 MHz 输出电压:0.5 V to 0.86 V 输出电流:4 A 输出端数量: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:PQFN 4 x 5 |
| MAX8655ETN+T | 功能描述:直流/直流开关调节器 25A Int MOSFET Step-Down Regulator RoHS:否 制造商:International Rectifier 最大输入电压:21 V 开关频率:1.5 MHz 输出电压:0.5 V to 0.86 V 输出电流:4 A 输出端数量: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:PQFN 4 x 5 |
| MAX8655ETN+TW | 功能描述:直流/直流开关调节器 25A Int MOSFET Step-Down Regulator RoHS:否 制造商:International Rectifier 最大输入电压:21 V 开关频率:1.5 MHz 输出电压:0.5 V to 0.86 V 输出电流:4 A 输出端数量: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:PQFN 4 x 5 |
| MAX8655ETN+W | 功能描述:直流/直流开关调节器 25A Int MOSFET Step-Down Regulator RoHS:否 制造商:International Rectifier 最大输入电压:21 V 开关频率:1.5 MHz 输出电压:0.5 V to 0.86 V 输出电流:4 A 输出端数量: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:PQFN 4 x 5 |
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