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MAX16904_V5

更新时间: 2024-11-05 11:57:47
品牌 Logo 应用领域
美信 - MAXIM 转换器高压
页数 文件大小 规格书
14页 496K
描述
2.1MHz, High-Voltage, 600mA Mini-Buck Converter

MAX16904_V5 数据手册

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19-5481; Rev 5; 6/12  
2.1MHz, High-Voltage,  
600mA Mini-Buck Converter  
MAX16904  
General Description  
Features  
The MAX16904 is a small, synchronous buck converter  
with integrated high-side and low-side switches. The  
device is designed to deliver 600mA with input voltages  
from +3.5V to +28V while using only 25µA quiescent  
current at no load. Voltage quality can be monitored by  
observing the PGOOD signal. The MAX16904 can oper-  
ate in dropout by running at 97% duty cycle, making it  
ideal for automotive and industrial applications.  
o Wide +3.5V to +28V Input Voltage Range  
o Tolerates Input Voltage Transients to +42V  
o 600mA Minimum Output Current with Overcurrent  
Protection  
o Fixed Output Voltages (+3.3V and +5V)  
o 2.1MHz Switching Frequency with Three Modes of  
Operation  
The MAX16904 operates at a 2.1MHz frequency, allow-  
ing for small external components and reduced output  
ripple. It guarantees no AM band interference. SYNC  
input programmability enables three frequency modes  
for optimized performance: forced fixed-frequency  
operation, SKIP mode (ultra-low quiescent current of  
25µA), and synchronization to an external clock. The  
MAX16904 can be ordered with spread-spectrum fre-  
quency modulation, designed to minimize EMI-radiated  
emissions due to the modulation frequency.  
25µA Ultra-Low Quiescent Current SKIP Mode  
Forced Fixed-Frequency Operation  
External Frequency Synchronization  
o Optional Spread-Spectrum Frequency Modulation  
o Power-Good Output  
o Enable-Pin Compatible from +3.3V Logic Level to  
+42V  
o Thermal Shutdown Protection  
o -40°C to +125°C Automotive Temperature Range  
o 10-Pin TDFN-EP or 16-Pin TSSOP-EP Packages  
o AEC-Q100 Qualified  
The MAX16904 is available in a thermally enhanced,  
3mm x 3mm, 10-pin TDFN package or a 16-pin TSSOP  
package. The MAX16904 operates over the -40°C to  
+125°C automotive temperature range.  
Ordering Information  
Applications  
Automotive  
SPREAD  
SPECTRUM RANGE PACKAGE  
TEMP PIN-  
PART  
Industrial  
-40°C to  
+125°C  
Military  
MAX16904RATB__/V+ Disabled  
MAX16904RAUE__/V+ Disabled  
10 TDFN-EP*  
16 TSSOP-EP*  
10 TDFN-EP*  
16 TSSOP-EP*  
High-Voltage Input-Power DC-DC Applications  
-40°C to  
+125°C  
-40°C to  
+125°C  
MAX16904SATB__/V+  
MAX16904SAUE__/V+  
Enabled  
Enabled  
-40°C to  
+125°C  
Note: Insert the desired suffix letters (from Selector Guide) into  
the blanks to indicate the output voltage. Alternative output volt-  
ages available upon request.  
+Denotes a lead(Pb)-free/RoHS-compliant package.  
/V denotes an automotive qualified part.  
*EP = Exposed pad.  
Selector Guide appears at end of data sheet.  
1
For pricing, delivery, and ordering information, please contact Maxim Direct  
at 1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.  

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