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参数资料
| 型号： | MAX17498AATE+ |
| 厂商： | Maxim Integrated |
| 文件页数： | 8/20页 |
| 文件大小： | 0K |
| 描述： | IC OFF-LINE CONVERTER 16TQFN |
| 标准包装： | 100 |
| 输出隔离： | 隔离 |
| 频率范围： | 235kHz ~ 265kHz |
| 输入电压： | 4.5 V ~ 29 V |
| 工作温度： | -40°C ~ 125°C |
| 封装/外壳： | 16-WFQFN 裸露焊盘 |
| 供应商设备封装： | 16-TQFN-EP（3x3） |
| 包装： | 管件 |
MAX17498A/MAX17498B/MAX17498C
AC-DC and DC-DC Peak Current-Mode Converters
for Flyback/Boost Applications
Pin Configuration
TOP VIEW
PGOOD 13
12
11
10
9
8
SS
PGND 14
LX 15
MAX17498A
MAX17498B
MAX17498C
7
6
COMP
EA-
IN 16
+
1
2
EP (SGND)
3
4
5
SLOPE
TQFN-EP
Pin Description
PIN
1
2
3
4
5
6
7
8
9
10, 12
11
NAME
EN/UVLO
V CC
OVI
LIM
SLOPE
EA-
COMP
SS
EA+
N.C.
REF
FUNCTION
Enable/Undervoltage-Lockout Pin. Drive to > 1.23V to start the devices. To externally program the UVLO
threshold of the input supply, connect a resistor-divider between input supply EN/UVLO and SGND.
Linear Regulator Output. Connect input bypass capacitor of at least 1μF from V CC to SGND as close as
possible to the IC.
Overvoltage Comparator Input. Connect a resistor-divider between the input supply (OVI) and SGND to
set the input overvoltage threshold.
Current-Limit Setting Pin. Connect a resistor between LIM and SGND to set the peak-current limit for
nonisolated flyback converter. Peak-current limit defaults to 500mA if unconnected.
Slope Compensation Input Pin. Connect a resistor between SLOPE and SGND to set slope-
compensation ramp. Connect to V CC for minimum slope compensation. See the Programming Slope
Compensation (SLOPE) section.
Inverting Input of the Flexible Error Amplifier. Connect to mid-point of resistor-divider from the positive
terminal output to SGND.
Flexible Error-Amplifier Output. Connect the frequency-compensation network between COMP and
SGND.
Soft-Start Pin. Connect a capacitor from SS to SGND to set the soft-start time interval.
Noninverting Input of the Flexible Error Amplifier. Connect to SS to use 1.22V as the reference.
No Connection
Internal 1.22V Reference Output Pin. Connect a 100pF capacitor from REF to SGND.
Maxim Integrated
8
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX17498AATE+ | 功能描述:电流型 PWM 控制器 Uvrsl AC/DC & Iso DC/DC Flyback ctlr 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 |
| MAX17498AATE+T | 功能描述:电流型 PWM 控制器 Uvrsl AC/DC & Iso DC/DC Flyback ctlr 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 |
| MAX17498BATE+ | 功能描述:电流型 PWM 控制器 Univ AC/DC-Iso DC/DC Flyback 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 |
| MAX17498BATE+CER | 功能描述:直流/直流开关转换器 ACDC & DCDC Peak Crnt-Mode Cnvtrs RoHS:否 制造商:STMicroelectronics 最大输入电压:4.5 V 开关频率:1.5 MHz 输出电压:4.6 V 输出电流:250 mA 输出端数量:2 最大工作温度:+ 85 C 安装风格:SMD/SMT |
| MAX17498BATE+T | 功能描述:电流型 PWM 控制器 MAX17498BATE+T 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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