参数资料
型号: MAX17498AATE+
厂商: Maxim Integrated
文件页数: 4/20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
ELECTRICAL CHARACTERISTICS (continued)
(V IN = +15V, V EN/UVLO = +2V, COMP = open, C IN = 1μF, C VCC = 1μF, T A = T J = -40°C to +125°C, unless otherwise noted. Typical
values are at T A = +25°C.) (Note 1)
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Number of Runaway Current-
Limit Hits Before Hiccup Timeout
Overcurrent Hiccup Timeout
SLOPE COMPENSATION (SLOPE)
1
32
#
ms
SLOPE Pullup Current
9
10
11
μA
SLOPE-Compensation Resistor
Range
Default SLOPE-Compensation
Ramp
MAX17498B
SLOPE = open
30
60
150
k I
mV/μs
POWER-GOOD SIGNAL (PGOOD)
PGOOD Output-Leakage
Current (Off State)
PGOOD Output Voltage
(On State)
V PGOOD = 5V, TA = +25 N C
I PGOOD = 10mA
-1
0
+1
0.4
μA
V
PGOOD Higher Threshold
PGOOD Lower Threshold
EA- rising
EA- falling
93.5
90.5
95
92
96.5
93.5
%
%
PGOOD Delay After
EA- Reaches 95% Regulation
THERMAL SHUTDOWN
4
ms
Thermal-Shutdown Threshold
Thermal-Shutdown Hysteresis
Temperature rising
+160
20
N C
N C
Note 1: All devices are 100% production tested at TA = +25 N C. Limits over temperature are guaranteed by design.
Note 2: The MAX17498A is intended for use in universal input power supplies. The internal clamp circuit at IN is used to prevent the
bootstrap capacitor from charging to a voltage beyond the absolute maximum rating of the device when EN/UVLO is low
(shutdown mode). Externally limit the maximum current to IN (hence to clamp) to 2mA (max) when EN/UVLO is low.
Maxim Integrated
4
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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