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参数资料
| 型号： | MAX5974AEVKIT# |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 2/27页 |
| 文件大小： | 0K |
| 描述： | EVAL KIT MAX5974A |
| 标准包装： | 1 |
| 系列： | * |
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MAX5974A/MAX5974B/MAX5974C/MAX5974D
Active-Clamped, Spread-Spectrum,
Current-Mode PWM Controllers
ABSOLUTE MAXIMUM RATINGS
IN to GND (V EN = 0V) ...........................................-0.3V to +26V
EN, NDRV, AUXDRV to GND .....................-0.3V to (V IN + 0.3V)
RT, DT, FFB, COMP, SS, DCLMP, DITHER/SYNC
to GND .................................................................-0.3V to +6V
FB to GND (MAX5974A/MAX5974B only) ..................-6V to +6V
FB to GND (MAX5974C/MAX5974D only) ..............-0.3V to +6V
CS, CSSC to GND ...................................................-0.8V to +6V
PGND to GND ......................................................-0.3V to +0.3V
Maximum Input/Output Current (continuous)
IN, NDRV, AUXDRV ......................................................100mA
NDRV, AUXDRV (pulsed for less than 100ns) .................. Q 1A
Continuous Power Dissipation (T A = +70 N C) (Note 1)
16-Pin TQFN (derate 20.8mW/ N C above +70 N C) .......1666mW
Operating Temperature Range .......................... -40 N C to +85 N C
Maximum Junction Temperature.....................................+150 N C
Storage Temperature Range............................ -65 N C to +150 N C
Lead Temperature (soldering, 10s) ................................+300 N C
Soldering Temperature (reflow) ......................................+260 N C
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.
PACKAGE THERMAL CHARACTERISTICS (Note 1)
Junction-to-Ambient Thermal Resistance ( B JA ) ..............48 N C/W
Junction-to-Case Thermal Resistance ( B JC ) .....................7 N C/W
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 .
ELECTRICAL CHARACTERISTICS
(V IN = 12V (for MAX5974A/MAX5974C, bring V IN up to 17V for startup), V CS = V CSSC = V DITHER/SYNC = V FB = V FFB = V DCLMP =
V GND , V EN = +2V, NDRV = AUXDRV = SS = COMP = unconnected, R RT = 34.8k I , R DT = 25k I , C IN = 1 F F, T A = -40 N C to +85 N C,
unless otherwise noted. Typical values are at T A = +25 N C.) (Note 2)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
UNDERVOLTAGE LOCKOUT/STARTUP (IN)
Bootstrap UVLO Wakeup Level
Bootstrap UVLO Shutdown
Level
IN Clamp Voltage
V INUVR
V INUVF
V IN_CLAMP
V IN rising
V IN falling
I IN = 2mA (sinking)
MAX5974A/
MAX5974C
MAX5974B/
MAX5974D
15.4
8
6.65
17
16
8.4
7
18.5
16.5
8.85
7.35
20
V
V
V
V IN = +15V (for MAX5974A/
IN Supply Current in
Undervoltage Lockout
I START
MAX5974C);
V IN = +7.5V (for MAX5974B/MAX5974D),
100
150
F A
when in bootstrap UVLO
IN Supply Current After Startup
I C
V IN = +12V
1.8
3
mA
ENABLE (EN)
Enable Threshold
V ENR
V ENF
V EN rising
V EN falling
1.17
1.09
1.215
1.14
1.26
1.19
V
Input Current
I EN
1
F A
OSCILLATOR (RT)
RT Bias Voltage
V RT
1.23
V
NDRV Switching Frequency
Range
f SW
100
600
kHz
2
Maxim Integrated
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX5974AEVKIT# | 功能描述:电源管理IC开发工具 MAX5974A 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 |
| MAX5974BETE+ | 功能描述:电流型 PWM 控制器 Current-Mode PWM Controller RoHS:否 制造商:Texas Instruments 开关频率:27 KHz 上升时间: 下降时间: 工作电源电压:6 V to 15 V 工作电源电流:1.5 mA 输出端数量:1 最大工作温度:+ 105 C 安装风格:SMD/SMT 封装 / 箱体:TSSOP-14 |
| MAX5974BETE+T | 功能描述:电流型 PWM 控制器 Current-Mode PWM Controller RoHS:否 制造商:Texas Instruments 开关频率:27 KHz 上升时间: 下降时间: 工作电源电压:6 V to 15 V 工作电源电流:1.5 mA 输出端数量:1 最大工作温度:+ 105 C 安装风格:SMD/SMT 封装 / 箱体:TSSOP-14 |
| MAX5974CETE+ | 功能描述:电流型 PWM 控制器 Current-Mode PWM Controller RoHS:否 制造商:Texas Instruments 开关频率:27 KHz 上升时间: 下降时间: 工作电源电压:6 V to 15 V 工作电源电流:1.5 mA 输出端数量:1 最大工作温度:+ 105 C 安装风格:SMD/SMT 封装 / 箱体:TSSOP-14 |
| MAX5974CETE+T | 功能描述:电流型 PWM 控制器 Current-Mode PWM Controller RoHS:否 制造商:Texas Instruments 开关频率:27 KHz 上升时间: 下降时间: 工作电源电压:6 V to 15 V 工作电源电流:1.5 mA 输出端数量:1 最大工作温度:+ 105 C 安装风格:SMD/SMT 封装 / 箱体:TSSOP-14 |
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