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参数资料
| 型号： | MAX5068EAUE+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 8/20页 |
| 文件大小： | 0K |
| 描述： | IC REG CTRLR FLYBK ISO 16-TSSOP |
| 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： | 1.25MHz |
| 占空比： | 75% |
| 电源电压： | 10.8 V ~ 24 V |
| 降压： | 无 |
| 升压： | 无 |
| 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 ~ 125°C |
| 封装/外壳： | 16-TSSOP（0.173"，4.40mm）裸露焊盘 |
| 包装： | 带卷 (TR) |
High-Frequency, Current-Mode PWM Controller
with Accurate Programmable Oscillator
Pin Description
PIN
MAX5068A
MAX5068B
1
2
3
—
4
5
6
7
MAX5068C
MAX5068E
1
2
—
3
4
5
6
7
MAX5068D
MAX5068F
1
—
2
3
4
5
6
7
NAME
RT
SYNC
HYST
SCOMP
DT
UVLO/EN
FB
COMP
FUNCTION
Oscillator-Timing Resistor Connection. Connect a resistor from RT to AGND
to set the internal oscillator frequency.
External-Clock Sync Input. Connect SYNC to AGND when not using an
external clock.
Programmable Hysteresis Input
Slope-Compensation Capacitor Input. Connect a capacitor to AGND to set
the slope compensation.
Dead-Time Adjustment. Connect a resistor from DT to AGND to adjust NDRV
dead time. Connect to REG5 for maximum duty cycle.
Externally Programmable Undervoltage Lockout. UVLO/EN programs the
input start voltage. Drive UVLO/EN to AGND to disable the output.
Error-Amplifier Inverting Input
Error-Amplifier Compensation Output
Fault-Integration Input. A capacitor connected to FLTINT charges with an
internal 60μA current source during repeated current-limit events. Switching
8
8
8
FLTINT
terminates when V FLTINT reaches 2.9V. An external resistor connected in
parallel discharges the capacitor. Switching resumes when V FLTINT drops to
1.6V.
9
10, 12
11
13
14
9
10, 12
11
13
14
9
10, 12
11
13
14
CS
AGND
PGND
NDRV
V CC
Current-Sense Resistor Connection
Analog Ground. Connect to PGND through a ground plane.
Power Ground. Connect to AGND through a ground plane.
Gate-Driver Output. Connect the NDRV output to the gate of the external
N-channel FET.
9V Linear-Regulator Output. Decouple V CC with a minimum 1μF ceramic
capacitor to the AGND plane; also internally connected to the FET driver.
Power-Supply Input. IN provides power for all internal circuitry. Decouple IN
15
15
15
IN
with a minimum 0.1μF ceramic capacitor to AGND (see the Typical
Operating Circuit ).
16
EP
16
EP
16
EP
REG5
PAD
5V Linear-Regulator Output. Decouple to AGND with a 0.1μF ceramic
capacitor.
Exposed Pad. Connect to GND.
8
_______________________________________________________________________________________
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX5068FAUE | 功能描述:电流型 PWM 控制器 High-Frequency Current-Mode PWM 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 |
| MAX5068FAUE+ | 功能描述:电流型 PWM 控制器 High-Frequency Current-Mode PWM 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 |
| MAX5068FAUE+T | 功能描述:电流型 PWM 控制器 High-Frequency Current-Mode PWM 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 |
| MAX5068FAUE-T | 功能描述:电流型 PWM 控制器 High-Frequency Current-Mode PWM 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 |
| MAX5069 | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:High-Frequency, Current-Mode PWM Controller with Accurate Oscillator and Dual FET Drivers |
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