参数资料
型号: MAX15014BATX+T
厂商: Maxim Integrated
文件页数: 6/26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
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
RESET OUTPUT
RESET Threshold
RESET Output Low Voltage
RESET Output High Leakage
Current
V RESET
V RL
I RH
RESET goes high after rising V LDO_OUT
crosses this threshold
(V LDO_OUT – V RESET ) / I RESET = 4k ?
V RESET = 3.3V (For MAX15_ _ _B),
V RESET = 5V (For MAX15_ _ _A)
90
92.5
95
0.4
1
%V OUT
V
μA
RESET Output Minimum Timeout
Period
ENABLE to RESET Minimum
Timeout Period
When LDO_OUT reaches RESET threshold,
CT = unconnected
When EN_SYS goes high, C LDO_OUT =
10μF, I LDO_OUT = 50mA, V LDO_OUT = 3.3V,
CT = unconnected
50
650
μs
μs
Delay Comparator Threshold
(Rising)
Delay Comparator Threshold
Hysteresis
V CT-TH
V CTTH-
HYST
1.220
1.241
100
1.265
V
mV
CT Charge Current
I CT-CHQ
V CT = 0V
1.5
2
3
μA
CT Discharge Current
I CT-DIS
18
mA
THERMAL SHUTDOWN
Thermal Shutdown Temperature
Thermal Shutdown Hysteresis
Temperature rising
+160
20
° C
° C
Note 1: Limits at -40°C are guaranteed by design and not production tested.
Note 2: Maximum output current is limited by package power dissipation.
Note 3: This is the minimum voltage needed at SET_LDO for the system to recognize that the user wants an adjustable LDO_OUT.
6
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