参数资料
型号: MAX15014BATX+T
厂商: Maxim Integrated
文件页数: 10/26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
Typical Operating 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, see Figures 6 and 7, T A = +25°C, unless otherwise noted.)
TURN-ON/-OFF WAVEFORM
DROPOUT VOLTAGE vs. LOAD CURRENT
POWER-SUPPLY REJECTION RATIO
TOGGLING EN_SYS
MAX15014 toc28
900
800
700
600
V IN = 5V, I LOAD = 0 TO 50mA
MAX15015A
T A = +135°C
T A = +85°C
10
0
-10
-20
I LDO_OUT = 50mA
I LDO_OUT = 10mA
0V
I LOAD = 50mA
EN_SYS
2V/div
500
400
T A = +25°C
T A = -40°C
-30
-40
300
200
-50
-60
V OUT
2V/div
100
0
-70
-80
I LDO_OUT = 1mA
0V
0
10
20 30
40
50
0.1k
1k
10k 100k
1M
10M
2ms/div
LOAD CURRENT (mA)
TURN-ON/-OFF WAVEFORM
TOGGLING EN_SYS
MAX15014 toc29
R LOAD = 1k ?
FREQUENCY (Hz)
TURN-ON/-OFF WAVEFORM
TOGGLING EN_SYS
MAX15014 toc30
MAX15015B
0V
EN_SYS
2V/div
0V
R LOAD = 66 ?
EN_SYS
2V/div
0V
10ms/div
TURN-ON/-OFF WAVEFORM
V OUT
2V/div
0V
10ms/div
TURN-ON/-OFF WAVEFORM
V LDO_OUT
1V/div
TOGGLING EN_SYS
MAX15015B
R LOAD = 660 ?
MAX15014 toc31
EN_SYS
INCREASING V IN
I LOAD = 50mA
MAX15014 toc32
0V
0V
10ms/div
2V/div
V LDO_OUT
1V/div
0V
0V
10ms/div
V IN
5V/div
V LDO_OUT
2V/div
10
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