参数资料
型号: MAX15118EVKIT#
厂商: Maxim Integrated Products
文件页数: 4/23页
文件大小: 0K
描述: EVAL KIT STEP-DOWN 18A MAX15118
产品培训模块: Obsolescence Mitigation Program
标准包装: 1
主要目的: DC/DC,步降
输出及类型: 1,非隔离
功率 - 输出: 27W
输出电压: 1.5V
电流 - 输出: 18A
输入电压: 2.7 V ~ 5.5 V
稳压器拓扑结构: 降压
频率 - 开关: 1MHz
板类型: 完全填充
已供物品:
已用 IC / 零件: MAX15118
MAX15118
High-Efficiency, 18A, Current-Mode Synchronous
Step-Down Regulator with Integrated Switches
DC ELECTRICAL CHARACTERISTICS (continued)
(V IN = 5V, see the Typical Operating Circuits , T A = -40 N C to +85 N C. Typical values are at T A = +25 N C, unless otherwise noted.) (Note 5)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
POWER-GOOD OUTPUT
PGOOD Threshold
PGOOD Threshold Hysteresis
V FB falling, PGOOD deasserts
V FB rising
0.514
0.530
25
0.542
V
mV
PGOOD Output Voltage Low
PGOOD Leakage Current
V PG_OL
I PG_LK
I PGOOD = 5mA, V EN = 0V
V PGOOD = 5.5V, V FB = 0.65V
18
50
1
mV
F A
THERMAL SHUTDOWN
Thermal Shutdown Threshold
Thermal Shutdown Hysteresis
T SHDN
Die temperature rising
+150
20
N C
N C
Note 5: All devices are 100% production tested at T A = +25 N C. Limits over the operating temperature range are guaranteed by design.
Note 6: Connect SKIP to EN for skip mode functionality. Connect SKIP to GND for PWM mode functionality.
Typical Operating Characteristics
(V IN = 5V, V OUT = 1.5V, C SS = 0.1μF, see the Typical Operating Circuits , T A = +25°C, unless otherwise noted.)
EFFICIENCY vs. OUTPUT CURRENT
(V IN = 5V, PWM MODE)
EFFICIENCY vs. OUTPUT CURRENT
(V IN = 3.3V, PWM MODE)
EFFICIENCY vs. OUTPUT CURRENT
(V IN = 5V, SKIP MODE)
100
95
V OUT = 3.3V
100
95
V OUT = 2.5V
100
95
V OUT = 3.3V
90
85
90
85
90
85
80
75
70
65
60
55
V OUT = 2.5V
V OUT = 1.8V
V OUT = 1.5V
V OUT = 1.2V
V OUT = 0.8V
80
75
70
65
60
55
V OUT = 1.8V
V OUT = 1.5V
V OUT = 1.2V
V OUT = 0.8V
80
75
70
65
60
55
V OUT = 2.5V
V OUT = 1.8V
V OUT = 1.5V
V OUT = 1.2V
V OUT = 0.8V
50
50
50
0
2
4
6
8
10
12
14
16
18
0
2
4
6
8
10
12
14
16
18
0
2
4
6
8
10
12
14
16
18
OUTPUT CURRENT (A)
OUTPUT CURRENT (A)
OUTPUT CURRENT (A)
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