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参数资料
| 型号： | MAX8540EEE+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 2/16页 |
| 文件大小： | 0K |
| 描述： | IC REG CTRLR PWM CM 16-QSOP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 100 |
| PWM 型： | 电流模式 |
| 输出数： | 1 |
| 频率 - 最大： | 1MHz |
| 占空比： | 82% |
| 电源电压： | 7.6 V ~ 18 V |
| 降压： | 无 |
| 升压： | 无 |
| 回扫： | 是 |
| 反相： | 无 |
| 倍增器： | 无 |
| 除法器： | 是 |
| Cuk： | 无 |
| 隔离： | 是 |
| 工作温度： | -40°C ~ 85°C |
| 封装/外壳： | 16-SSOP（0.154"，3.90mm 宽） |
| 包装： | 管件 |
Synchronizable, High-Frequency Current- and
Voltage-Mode PWM Controllers for Isolated Supplies
ABSOLUTE MAXIMUM RATINGS
V CC to GND ............................................................-0.3V to +20V
OPTO, UV, OV, EN , PRAMP, ILIM, REF to GND ......-0.3V to +6V
SCOMP, FREQ, CS, SKTON, SKTOFF, SS,
MAXDTY to GND .....................................-0.3V to V REF + 0.3V
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
DRV to GND ................................................-0.3V to V VCC + 0.3V
Continuous Power Dissipation (T A = +70°C)
16-Pin QSOP (derate 8.3mW/°C above +70°C)...........667mW
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 VCC = 12V, C REF = 1μF, V UV = V OV = V OPTO , V ILIM = 2V, R FREQ/SYNC = 32.4k ? , C SS = 0.1μF, R MAXDTY = 97.6k ? , V EN = 0,
R SCOMP = 68k ? , R PRAMP = 25k ? , C SKTON = 0.01μF, C SKTOFF = 0.1μF, V CS = 0.6V, C DRV = 10pF, T A = 0°C to +85°C , unless otherwise
noted. Typical values are at T A = +25°C.)
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
V CC
Operating Voltage Range
(Note 1)
7.6
18.0
V
Undervoltage Lockout
Undervoltage Lockout Hysteresis
Supply Current
Shutdown Current
V CC rising
V CC falling
V REF is active,
I REF = 0
V EN = 3V
No switching
Switching with no load
7.6
6.6
0.9
8.0
7.0
1.0
3.5
5
0.5
8.4
7.4
4.2
6.3
0.9
V
V
mA
mA
REF
Output Voltage
Load Regulation
Line Regulation
Pulldown Resistor in Shutdown
I REF = 0
I REF = 0 to 10 mA
V VCC = 8.4V to 18V
V EN = 3V
4.9
5.0
20
5
10
5.1
50
20
30
V
mV
mV
?
UNDERVOLTAGE/OVERVOLTAGE (UV/OV)
UVLO Threshold
Input Bias Current
OVLO Threshold
V UV rising, 120mV typical hysteresis
V UV falling
V OV rising, 130mV typical hysteresis
V OV falling
1.200
1.083
-0.5
2.9
2.778
1.250
1.128
+0.01
3.021
2.894
1.300
1.173
+0.5
3.1
3.010
V
μA
V
EN
Input Low Threshold
Input High Threshold
V IL
V IH
2.6
1.2
V
V
Pullup Current
V EN = 2.6V
5
17
μA
CURRENT LIMIT
V ILIM Range
0.075
1.250
V
CS Current-Limit to DRV Turn-Off
Delay
V CS Cycle-by-Cycle Threshold
Includes leading-edge blanking time
Accuracy when V ILIM = 0.075V
110
±10
150
ns
%
Voltage
V ILIM = 1.250V
1.175
1.250
1.330
V
2
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX8540EEE+ | 功能描述:电流型 PWM 控制器 Synchronizable 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 |
| MAX8540EEE+T | 功能描述:电流型 PWM 控制器 PWM Controller Curr-Mode 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 |
| MAX8540EEE-T | 功能描述:电流型 PWM 控制器 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 |
| MAX8541EEE | 功能描述:电压模式 PWM 控制器 RoHS:否 制造商:Texas Instruments 输出端数量:1 拓扑结构:Buck 输出电压:34 V 输出电流: 开关频率: 工作电源电压:4.5 V to 5.5 V 电源电流:600 uA 最大工作温度:+ 125 C 最小工作温度:- 40 C 封装 / 箱体:WSON-8 封装:Reel |
| MAX8541EEE+ | 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述: |
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