参数资料
型号: MAX15014BATX+T
厂商: Maxim Integrated
文件页数: 3/26页
文件大小: 0K
描述: IC REG DL BCK/LINEAR 36TQFNEP
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 2,500
拓扑: 降压(降压)同步(1),线性(LDO)(1)
功能: 车载
输出数: 2
频率 - 开关: 135kHz
电压/电流 - 输出 1: 1.26 V ~ 32 V,1A
电压/电流 - 输出 2: 5 V ~ 40 V,50mA
带 LED 驱动器:
带监控器:
带序列发生器:
电源电压: 7.5 V ~ 40 V
工作温度: -40°C ~ 125°C
安装类型: 表面贴装
封装/外壳: 36-WFQFN 裸露焊盘
供应商设备封装: 36-TQFN 裸露焊盘(6x6)
包装: 带卷 (TR)
1A, 4.5V to 40V Input Buck Converters with
50mA Auxiliary LDO Regulators
ELECTRICAL CHARACTERISTICS (continued)
(V IN_SW = V IN_LDO = V DRAIN = 14V, V EN_SYS = V EN_SW = 2.4V, V REG = V DVREG , V SYNC = V SET_LDO = V SGND = V PGND = 0V, C REG =
1μF, C IN_SW = 0.1μF, C IN_LDO = 0.1μF, C LDO_OUT = 10μF, C DRAIN = 0.22μF, T A = T J = -40°C to +125°C, unless otherwise noted.
Typical values are at T A = +25°C.) (Note 1)
PARAMETER
Undervoltage Lockout Threshold
Undervoltage Lockout
Hysteresis
Output Voltage Range
SYMBOL
UVLO TH
UVLO HYST
V OUT
CONDITIONS
V IN_SW and IN_LDO rising,
MAX15014/MAX15017
V IN_SW and IN_LDO rising,
MAX15015/MAX15016
MAX15014/MAX15017
MAX15015/MAX15016
Minimum output
Maximum output
MIN
6.7
3.90
TYP
7.0
4.08
0.54
0.3
1.26
32
MAX
7.4
4.25
UNITS
V
V
V
Output Current
I OUT
1
A
EN_SW Input Voltage Threshold
V EN_SWH
V EN_SWL
EN_SW = high, switching power supply is on
EN_SW = low, switching power supply is off
2.4
0.8
V
EN_SW Hysteresis
220
mV
Switching Enable Input Current
I EN_SW
V EN_SW = 2.4V
V EN_SW = 14V
0.5
0.6
2
2
μA
INTERNAL VOLTAGE REGULATOR
MAX15014/MAX15017, V IN_SW = 9V to 40V
7.6
8.4
Output Voltage
Line Regulation
Load Regulation
V REG
MAX15015/MAX15016,
V IN_SW = 5.5V to 40V
V IN_SW = 9.0V to 40V, MAX15014/MAX15017
V IN_SW = 5.5V to 40V, MAX15015/MAX15016
I REG = 0 to 20mA
4.75
1
1
5.25
0.25
V
mV/V
V
V IN_SW = 7.5V (MAX15014/MAX15017),
Dropout Voltage
V IN_SW = 4.5V (MAX15015/MAX15016),
0.5
V
I REG = 20mA
OSCILLATOR
Frequency Range
f CLK
V SYNC = 0V, MAX15014/MAX15016
V SYNC = 0V, MAX15015/MAX15017
122
425
136
500
150
575
kHz
V SYNC = 0V, V IN_SW = 7.5V, MAX15014
(135kHz)
V SYNC = 0V, V IN_SW = 4.5V, MAX15016
(135kHz)
90
90
98
98
Maximum Duty Cycle
D MAX
V SYNC = 0V, V IN_SW = 4.5V, MAX15015
(500kHz)
90
96
%
V SYNC = 0V, V IN_SW = 7.5V, MAX15017
(500kHz)
90
98
Minimum LX Low Time
V SYNC = 0V
94
ns
SYNC High-Level Voltage
SYNC Low-Level Voltage
2.2
0.8
V
_______________________________________________________________________________________
3
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MAX15015BATX+ 功能描述:直流/直流开关转换器 1A 4.5-40V Input Buck Converters 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
MAX15015BATX+T 功能描述:直流/直流开关转换器 1A 4.5-40V Input Buck Converters 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