参数资料
型号: MAX15058EVKIT+
厂商: Maxim Integrated Products
文件页数: 9/21页
文件大小: 0K
描述: EVAL KIT STEP-DOWN 3A MAX15058
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: 5.4W
输出电压: 1.8V
电流 - 输出: 3A
输入电压: 2.8 ~ 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: MAX15058
High-Efficiency, 3A, Current-Mode
Synchronous, Step-Down Switching Regulator
Pin Configuration
TOP VIEW
(BUMPS ON BOTTOM)
MAX15058
GND
A1
COMP
B1
FB
C1
LX
A2
SKIP
B2
SS/REFIN
C2
IN
A3
EN
B3
PGOOD
C3
WLP
Pin Description
BUMP
A1
A2
A3
B1
B2
B3
C1
C2
C3
NAME
GND
LX
IN
COMP
SKIP
EN
FB
SS/REFIN
PGOOD
FUNCTION
Analog Ground/Low-Side Switch Source Terminal. Connect to the PCB copper plane at one point near
the input bypass capacitor return terminal.
Inductor Connection. Connect LX to the switched side of the inductor. LX is high impedance when the
IC is in shutdown mode.
Input Power Supply. Input supply range is from 2.7V to 5.5V. Bypass with a minimum 10 F F ceramic
capacitor to GND. See Figures 5 and 6.
Voltage Error-Amplifier Output. Connect the necessary compensation network from COMP to GND. See
the Closing the Loop: Designing the Compensation Circuitry section.
Skip-Mode Input. Connect to EN to select skip mode or leave unconnected for normal operation.
Enable Input. EN is a digital input that turns the regulator on and off. Drive EN high to turn on the regula-
tor. Connect to IN for always-on operation.
Feedback Input. Connect FB to the center tap of an external resistor-divider from the output to GND to
set the output voltage from 0.6V up to 94% of V IN .
Soft-Start/External Voltage Reference Input. Connect a capacitor from SS/REFIN to GND to set the startup
time. See the Setting the Soft-Start Time section for details on setting the soft-start time. Apply a voltage
reference from 0V to V IN - 1.5V to drive soft-start externally.
Open-Drain Power-Good Output. PGOOD goes high when FB is above 555mV and pulls low if FB is
below 527mV.
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9
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