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参数资料
| 型号： | MAX15048ETJ+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 2/31页 |
| 文件大小： | 0K |
| 描述： | IC CTRLR PWM STP-DN TRIPL 32WQFN |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 应用： | 电源控制器，序列发生器 |
| 电源电压： | 4.7 V ~ 23 V |
| 电流 - 电源： | 6mA |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 32-WFQFN 裸露焊盘 |
| 供应商设备封装： | 32-TQFN-EP（5x5） |
| 包装： | 带卷 (TR) |
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MAX15048/MAX15049
Triple-Output Buck Controllers
with Tracking/Sequencing
ABSOLUTE MAXIMUM RATINGS
IN, LX_ to SGND ...................................................-0.3V to +30V
BST_ to SGND .......................................................-0.3V to +30V
BST_ to LX_ .............................................................-0.3V to +6V
REG, DREG_, EN_, RT to SGND .............................-0.3V to +6V
PGOOD, FB_, COMP_ to SGND .............................-0.3V to +6V
DL_ to PGND_ .....................................-0.3V to (V DREG_ + 0.3V)
DH_ to LX_ .............................................-0.3V to (V BST_ + 0.3V)
PGND to SGND, PGND_
to Any Other PGND_ .........................................-0.3V to +0.3V
Continuous Power Dissipation (T A = +70 N C)
32-Pin TQFN (derate 34.5mW/ N C above +70 N C) ...2758.6mW
Junction-to-Case Thermal Resistance ( B JC )
(Note 1) .....................................................................2 N C/W
Junction-to-Ambient Thermal Resistance ( B JA )
(Note 1) ...................................................................29 N C/W
Operating Junction Temperature Range ........... -40 N C to +85 N C
Maximum Junction Temperature.....................................+150 N C
Storage Temperature Range............................ -60 N C to +150 N C
Lead Temperature (soldering, 10s) ..... ………….………+300 N C
Soldering (reflow) ................................. ………….………+260 N 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.maximintegrated.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 or V IN = V REG = 5V, V DREG_ = V REG , V PGND_ = 0V, C REG = 2.2 F F, R RT = 39.2k I , T A = -40 N C to +85 N C, unless otherwise
noted. Typical values are at T A = T J = +25 N C.) (Note 2)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
SYSTEM SPECIFICATIONS
Input Voltage Range
V IN
V IN = V REG = V DREG _ (Note 3)
4.7
4.5
23
5.5
V
Input Undervoltage-Lockout
Threshold
V UVLO
V IN rising
4.0
4.2
4.4
V
Input Undervoltage-Lockout
Hysteresis
0.3
V
Operating Supply Current
Shutdown Supply Current
V IN = 12V, V FB_ = 0.8V
V IN = 12V, EN_ = 0, PGOOD unconnected
6
100
9
200
mA
F A
VOLTAGE REGULATOR (REG)
Output-Voltage Set Point
Load Regulation
V REG
V IN = 6V to 23V
I REG = 0 to 60mA, V IN = 6V
4.75
5.25
0.2
V
V
BOOTSTRAP SWITCH
Internal Boost Switch Resistance
V BST,LX = 5V
3
I
TRANSCONDUCTANCE ERROR AMPLIFIER/DIGITAL SOFT-START/-STOP
FB_ Input Bias Current
-1
+1
F A
FB_ Voltage Set Point
V FB_
0.594
0.600
0.606
V
FB_ to COMP_ Transconductance
2.0
mS
COMP_ Output Swing
Open-Loop Gain
Unity-Gain Bandwidth
Soft-Start/-Stop Duration
Reference Voltage Steps
0.75
80
10
2048
64
3.5
V
dB
MHz
Clocks
Steps
2
Maxim Integrated
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX15049ETJ+ | 功能描述:DC/DC 开关控制器 1.2MHz Triple Buck w/Tracking RoHS:否 制造商:Texas Instruments 输入电压:6 V to 100 V 开关频率: 输出电压:1.215 V to 80 V 输出电流:3.5 A 输出端数量:1 最大工作温度:+ 125 C 安装风格: 封装 / 箱体:CPAK |
| MAX15049ETJ+ | 制造商:Maxim Integrated Products 功能描述:IC BUCK CNTRL TRIPLE 32WQFN 制造商:Maxim Integrated Products 功能描述:IC, BUCK, CNTRL, TRIPLE, 32WQFN |
| MAX15049ETJ+ | 制造商:Maxim Integrated Products 功能描述:IC PWM STEP-DOWN DC/DC CONVER |
| MAX15049ETJ+T | 功能描述:DC/DC 开关控制器 1.2MHz Triple Buck w/Tracking RoHS:否 制造商:Texas Instruments 输入电压:6 V to 100 V 开关频率: 输出电压:1.215 V to 80 V 输出电流:3.5 A 输出端数量:1 最大工作温度:+ 125 C 安装风格: 封装 / 箱体:CPAK |
| MAX15049EVKIT+ | 功能描述:电源管理IC开发工具 MAX15049 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 |
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