- 您现在的位置：买卖IC网 > PDF目录15489 > MAX1957EUB+ (Maxim Integrated Products)IC REG CTRLR BUCK PWM CM 10-UMAX PDF资料下载
参数资料
| 型号： | MAX1957EUB+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 2/22页 |
| 文件大小： | 0K |
| 描述： | IC REG CTRLR BUCK PWM CM 10-UMAX |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 50 |
| PWM 型： | 电流模式 |
| 输出数： | 1 |
| 频率 - 最大： | 360kHz |
| 占空比： | 96% |
| 电源电压： | 3 V ~ 5.5 V |
| 降压： | 是 |
| 升压： | 无 |
| 回扫： | 无 |
| 反相： | 无 |
| 倍增器： | 无 |
| 除法器： | 无 |
| Cuk： | 无 |
| 隔离： | 无 |
| 工作温度： | -40°C ~ 85°C |
| 封装/外壳： | 10-TFSOP，10-MSOP（0.118"，3.00mm 宽） |
| 包装： | 管件 |
Low-Cost, High-Frequency, Current-Mode PWM
Buck Controller
ABSOLUTE MAXIMUM RATINGS
IN, FB to GND...........................................................-0.3V to +6V
LX to BST..................................................................-6V to +0.3V
BST to GND ............................................................-0.3V to +20V
DH to LX ....................................................-0.3V to (V BST + 0.3V)
DL, COMP to GND.......................................-0.3V to (V IN + 0.3V)
HSD, ILIM, REFIN to GND ........................................-0.3V to 14V
Continuous Power Dissipation (T A = +70°C)
(derate 5.6mW/°C above +70°C) ..................................444mW
Operating Temperature Range ...........................-40°C to +85°C
Junction Temperature ......................................................+150°C
Storage Temperature Range .............................-65°C to +150°C
Lead Temperature (soldering, 10s) .................................+300°C
PGND to GND .......................................................-0.3V to +0.3V
I DH , I DL ................................................................±100mA (RMS)
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation 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 = 5V, V BST - V LX = 5V, T A = -40°C to +85°C, unless otherwise noted. Typical values are at T A = +25°C.) (Note 1)
PARAMETER
Operating Input Voltage Range
CONDITIONS
MIN
3.0
TYP
MAX
5.5
UNITS
V
HSD Voltage Range
Quiescent Supply Current
MAX1954 only (Note 2)
V FB = 1.5V, no switching
3.0
1
13.2
2
V
mA
Standby Supply Current (MAX1953/ MAX1957) V IN = V BST = 5.5V, COMP = GND
220
350
μA
Standby Supply Current (MAX1954)
V IN = V BST = 5.5V, V HSD = 13.2V,
COMP = GND
220
350
μA
Undervoltage Lockout Trip Level
Output Voltage Adjust Range (V OUT )
Rising and falling V IN , 3% hysteresis
2.50
0.8
2.78
2.95
0.86 x
V IN
V
V
ERROR AMPLIFIER
T A = 0 ° C to +85 ° C (MAX1953/MAX1954)
0.788
0.8
0.812
FB Regulation Voltage
T A = -40 ° C to +85 ° C (MAX1953/MAX1954)
MAX1957 only
0.776
V REFIN
- 8mV
0.8
V REFIN
0.812
V REFIN
+ 8mV
V
Transconductance
FB Input Leakage Current
REFIN Input Bias Current
FB Input Common-Mode Range
V FB = 0.9V
V REFIN = 0.8V, MAX1957 only
70
-0.1
110
5
5
160
500
500
1.5
μS
nA
nA
V
REFIN Input Common-Mode Range
MAX1957 only
-0.1
1.5
V
Current-Sense Amplifier Voltage Gain Low
Current-Sense Amplifier Voltage Gain
ILIM = GND (MAX1953 only)
V ILIM = V IN or ILIM = open (MAX1953 only)
MAX1954/MAX1957
5.67
3.15
6.3
3.5
6.93
3.85
V/V
V/V
2
_______________________________________________________________________________________
相关PDF资料 |
PDF描述 |
|---|---|
| VI-J1Y-EX-B1 | CONVERTER MOD DC/DC 3.3V 49.5W |
| UPJ1H471MHD | CAP ALUM 470UF 50V 20% RADIAL |
| MAX8545EUB+ | IC REG CTRLR BUCK PWM VM 10-UMAX |
| VI-J1Y-EW-B1 | CONVERTER MOD DC/DC 3.3V 66W |
| URS0J472MHD | CAP ALUM 4700UF 6.3V 20% RADIAL |
相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX1957EUB+ | 功能描述:电流型 PWM 控制器 High-f Current-Mode PWM Buck 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 |
| MAX1957EUB+T | 功能描述:电流型 PWM 控制器 High-f Current-Mode PWM Buck 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 |
| MAX1957EUB-T | 功能描述:电流型 PWM 控制器 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 |
| MAX19586ETN | 功能描述:模数转换器 - ADC RoHS:否 制造商:Texas Instruments 通道数量:2 结构:Sigma-Delta 转换速率:125 SPs to 8 KSPs 分辨率:24 bit 输入类型:Differential 信噪比:107 dB 接口类型:SPI 工作电源电压:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-32 |
| MAX19586ETN+D | 功能描述:模数转换器 - ADC RoHS:否 制造商:Texas Instruments 通道数量:2 结构:Sigma-Delta 转换速率:125 SPs to 8 KSPs 分辨率:24 bit 输入类型:Differential 信噪比:107 dB 接口类型:SPI 工作电源电压:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-32 |
发布紧急采购，3分钟左右您将得到回复。