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参数资料
| 型号： | MAX17498AATE+ |
| 厂商： | Maxim Integrated |
| 文件页数： | 2/20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
ABSOLUTE MAXIMUM RATINGS
IN to SGND............................................................-0.3V to +40V
EN/UVLO to SGND ......................................... -0.3V to IN + 0.3V
OVI to SGND .............................................. -0.3V to VCC + 0.3V
VCC to SGND ..........................................................-0.3V to +6V
SS, LIM, EA-, EA+, COMP, SLOPE,
REF to SGND ........................................-0.3V to (VCC + 0.3V)
LX to SGND ...........................................................-0.3V to +70V
PGOOD to SGND ....................................................-0.3V to +6V
PGND to SGND ....................................................-0.3V to +0.3V
Continuous Power Dissipation (Single-Layer Board)
TQFN (derate 20.8mW/°C above +70°C)..................1700mW
Operating Temperature Range ........................ -40°C to +125°C
Storage Temperature Range............................ -65°C to +160°C
Junction Temperature (continuous) ................................+150°C
Lead Temperature (soldering, 10s) ................................+300°C
Soldering Temperature (reflow) ......................................+260°C
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional opera-
tion 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 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
INPUT SUPPLY (V IN )
IN Voltage Range (VIN)
IN Supply Startup Current Under
UVLO
IN Supply Current (IIN)
MAX17498A
MAX17498B/MAX17498C
IINSTARTUP, V IN < UVLO or EN/UVLO = SGND
Switching, f SW = 250kHz (MAX17498A/MAX17498C)
Switching, f SW = 500kHz (MAX17498B)
4.5
4.5
22
1.8
2
29
36
36
3
3.25
V
μA
mA
IN Boostrap UVLO Rising
Threshold
IN Bootstrap UVLO Falling
Threshold
IN Clamp Voltage
MAX17498A
MAX17498B/MAX17498C
EN/UVLO = SGND, I IN = 1mA (MAX17498A) (Note 2)
19
3.85
3.65
31
20.5
4.15
3.95
33.5
22
4.4
4.25
36
V
V
V
LINEAR REGULATOR (V CC )
V CC Output Voltage Range
V CC Dropout Voltage
V CC Current Limit
6V < V IN < 29V, 0mA < I VCC < 50mA
V IN = 4.5V, I VCC = 20mA
V CC = 0V, V IN = 6V
4.8
50
5
160
100
5.2
300
V
mV
mA
ENABLE (EN/UVLO)
EN/UVLO Threshold
EN/UVLO Input Leakage Current
Rising
Falling
0V < V EN/UVLO < 1.5V, T A = +25 N C
1.18
1.11
-100
1.23
1.17
0
1.28
1.21
+100
V
nA
Maxim Integrated
2
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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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