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参数资料
| 型号： | MAX15000AEUB+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 7/18页 |
| 文件大小： | 0K |
| 描述： | IC REG CTRLR PWM CM 10-UMAX |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| PWM 型： | 电流模式 |
| 输出数： | 1 |
| 频率 - 最大： | 2.5MHz |
| 占空比： | 50% |
| 电源电压： | 23.6 V ~ 30 V |
| 降压： | 无 |
| 升压： | 是 |
| 回扫： | 是 |
| 反相： | 无 |
| 倍增器： | 无 |
| 除法器： | 无 |
| Cuk： | 无 |
| 隔离： | 是 |
| 工作温度： | -40°C ~ 85°C |
| 封装/外壳： | 10-TFSOP，10-MSOP（0.118"，3.00mm 宽） |
| 包装： | 带卷 (TR) |
Current-Mode PWM Controllers with
Programmable Switching Frequency
Typical Operating Characteristics (continued)
(V UVLO/EN = +1.4V, V FB = +1V, COMP = open, V CS = 0V, T A = +25°C, unless otherwise noted.)
NDRV HIGH OUTPUT IMPEDANCE
ERROR AMPLIFIER OPEN-LOOP GAIN
5.0
vs. TEMPERATURE
SOURCING 20mA
100
AND PHASE vs. FREQUENCY
MAX15000 toc22
120
80
80
4.6
60
40
4.2
3.8
40
20
0
-20
GAIN
PHASE
0
-40
-80
-120
3.4
-40
-160
3.0
-60
-200
-40
-15
10
35
60
85
0.1
1
10 100
1k 10k 100k 1M 10M 100M
TEMPERATURE ( ° C)
FREQUENCY (Hz)
Pin Description
PIN
NAME
FUNCTION
Externally Programmable Undervoltage Lockout. UVLO/EN programs the input start voltage. Connect
1
UVLO/EN UVLO/EN to GND to disable the device. NDRV stops switching approximately 210μs after the UVLO/EN
voltage falls below 1.17V.
2
3
4
5
6
7
8
9
10
UFLG
FB
COMP
CS
RT
GND
NDRV
V CC
IN
Open-Drain Undervoltage Flag Output. UFLG is asserted low as soon as the UVLO/EN voltage falls below its
threshold.
Error-Amplifier Inverting Input
Error-Amplifier Output
Current-Sense Input. Current-sense connection for PWM regulation and cycle-by-cycle current limit.
Connect to the high side of the sense resistor. An RC filter may be necessary to eliminate leading-edge
spikes. Current-limit trip voltage is 1V.
Oscillator Timing Resistor Input. An RC network may be required to reduce jitter (see the Typical Application
Circuit ).
Ground Connection
External n-Channel MOSFET Gate Connection
Gate-Drive Supply. Internally generated supply from IN. Decouple V CC with a 10nF or larger capacitor
to GND.
IN Supply. Decouple with a 10nF or larger capacitor to GND. For bootstrapped operation (MAX15000),
connect a startup resistor from the input supply line to IN. Connect the bias winding supply to IN also (see
the Typical Operating Circuit ). For the MAX15001, connect IN directly to the 9.5V to 24V supply.
_______________________________________________________________________________________
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX15000AEVKIT | 功能描述:电流型 PWM 控制器 Evaluation Kit for MAX15000A 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 |
| MAX15000BEUB+ | 功能描述:电流型 PWM 控制器 w/Programmable Switching Frequency 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 |
| MAX15000BEUB+T | 功能描述:电流型 PWM 控制器 w/Programmable Switching Frequency 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 |
| MAX150012DASA+ | 制造商:Maxim Integrated Products 功能描述:N/A - Rail/Tube |
| MAX15001AEUB+ | 功能描述:电流型 PWM 控制器 w/Programmable Switching Frequency 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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