MAX20008AFOC/VY+T一级优质供应原装正品
MAX20004/MAX20006/MAX20008是具有集成高低端 MOSFET 的小型同步汽车降压变换器件。该器件家族的烛台高达8A，输入电压从3.5 V 到36V，而在空载时只使用25μA 的静态电流。通过观察复位信号可以监测电压质量。该设备可以运行在98% 的占空比，使他们成为汽车应用的理想选择。该设备提供5V 和3.3 V 的固定输出电压，以及编程输出电压在1V 和10V 之间的能力。频率是电阻可编程从220kHz 到2.2 MHz。这些器件提供了强制固定频率 PWM 模式(FPWM)和超低静态电流的跳跃模式。该设备可以在工厂编程，使扩频开关，以减少 EMI。 MAX20004/MAX20006/MAX20008可在小型，3.5毫米 x3.75毫米，17针 FC2QFN 封装和使用每一个外部组件。
小型多功能•工作 VIN 范围3.5 V 至36V •跳跃模式25μA 静态电流•带集成 FET 的同步 DC-DC 变换器•220kHz 至2.2 MHz 可调频率•固定5毫秒内部软启动•可编程1V 至10V 输出,或3.3 V 和5.0 V 固定输出选项可供选择•98% 的占空比操作，低压降•重置输出•高精度• ± 2% 的输出-电压精度•良好的负载-瞬态性能•适应汽车环境•电流模式,强制-PWM 和跳跃操作•过温和短路保护•3.5 mm x 3.75 mm 17-Pin FC2QFN • -40 ° C 至 + 125 ° C 工作温度范围•40V 负载转储容限• AEC-Q100合格负载点(PoL)在汽车中的应用●分布式直流电力系统●导航和无线电头部装置
SUP, EN, SUPSW to PGND..................................-0.3V to +40V
LX to PGND (Note 1) ........................-0.3V to (VSUPSW + 0.3V)
BIAS, RESET to GND..........................................-0.3V to +6.0V
FOSC, COMP to GND............................-0.3V to (VBIAS + 0.3V)
SYNC, FB to GND..................................-0.3V to (VBIAS + 0.3V)
GND to PGND......................................................-0.3V to +0.3V
OUT to PGND .......................................................-0.3V to +12V
BST to LX ...............................................................-0.3V to +6V
LX Continuous RMS Current ..................................................8A
Output Short-Circuit Duration....................................Continuous
Continuous Power Dissipation (TA = +70°C)
17-Pin FC2QFN (derate 29.4mW/°C > 70°C) .......... 2553mW
Operating Temperature Range......................... -40°C to +125°C
Junction Temperature......................................................+150°C
Storage Temperature Range............................ -65°C to +150°C
Lead Temperature Range................................................+300°C
Soldering Temperature (reflow).......................................+260°C
(VSUP = VSUPSW = VEN = 14V. TA = TJ = -40°C to +125°C, unless otherwise noted. Typical values are at TA = +25°C under normal
conditions, unless otherwise noted.) (Note 2)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
Supply Voltage Range VSUP,
VSUPSW
3.5 36 V
Supply Voltage Range VSUP,
VSUPSW
After startup 3.0 V
Supply Current ISUP Skip mode, no load
VOUT = 3.3V 25 32
µA VOUT = 5.0V 30 42
Shutdown Supply Current ISHDN VEN = 0V 5 10 µA
BIAS Regulator Voltage VBIAS
VSUP = VSUPSW = 6V to 40V IBIAS < 10mA,
BIAS not switched over to VOUT
5 V
BIAS Undervoltage
Lockout VUVBIAS VBIAS rising 2.7 3 3.3 V
17 FC2QFN
Package Code F173A3FY+1
Outline Number 21-100155
Land Pattern Number 90-100056
Thermal Resistance, Four-Layer Board:
Junction to Ambient (θJA) 27°C/W
Junction to Case (θJC) 2.6°C/W
MAX20004/MAX20006/
MAX20008
36V, 220kHz to 2.2MHz, 4A/6A/8A
Fully Integrated Automotive
Step-Down Converters
www.maximintegrated.com Maxim Integrated │ 2
Note 1: Self-protected from transient voltages exceeding these limits in circuit under normal operation
