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MAX15059

更新时间： 2024-09-12 11:18:31
品牌 Logo 应用领域
美信 - MAXIM 转换器光电二极管
页数 文件大小 规格书
15页 1985K
描述
76V, 300mW Boost Converter and Current Monitor for APD Bias Applications

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MAX15059 数据手册

 浏览型号MAX15059的Datasheet PDF文件第2页浏览型号MAX15059的Datasheet PDF文件第3页浏览型号MAX15059的Datasheet PDF文件第4页浏览型号MAX15059的Datasheet PDF文件第5页浏览型号MAX15059的Datasheet PDF文件第6页浏览型号MAX15059的Datasheet PDF文件第7页 
19-5132; Rev 1; 3/10  
76V, 300mW Boost Converter and Current  
Monitor for APD Bias Applications  
General Description  
Features  
S Input Voltage Range: +2.8V to +5.5V  
The MAX15059 constant-frequency pulse-width modu-  
lating (PWM) step-up DC-DC converter features an  
internal switch and a high-side current monitor with high-  
speed adjustable current limiting. This device is capable  
of generating output voltages up to 76V (300mW for  
the MAX15059A and 200mW for the MAX15059B) and  
provides current monitoring up to 4mA. The MAX15059  
operates from 2.8V to 5.5V.  
S Wide Output-Voltage Range from (V + 5V) to 76V  
IN  
S Internal 1I (typ) 80V MOSFET  
S Boost Converter Output Power: 300mW  
S 200mW Version Available for Smaller Inductor  
S Accurate Q5% (1:1 and 5:1) High-Side Current  
Monitor  
S Resistor-Adjustable Ultra-Fast APD Current Limit  
The constant-frequency (400kHz) current-mode PWM  
architecture provides low-noise-output voltage that is  
easy to filter. A high-voltage internal power MOSFET  
allows this device to boost output voltages up to 76V.  
Internal soft-start circuitry limits the input current when  
the boost converter starts. The MAX15059 features a  
shutdown mode to save power.  
(1µs Response Time)  
S Open-Drain Current-Limit Indicator Flag  
S 400kHz Fixed-Switching Frequency  
S Constant PWM Frequency Provides Easy Filtering  
in Low-Noise Applications  
S Internal Soft-Start  
S 2µA (max) Shutdown Current  
S -40NC to +85NC Temperature Range  
The MAX15059 includes a current monitor with more  
than three decades of dynamic range and monitors  
current ranging from 500nA to 4mA with high accuracy.  
Resistor-adjustable current limiting protects the APD  
from optical power transients. A clamp diode protects  
the monitor’s output from overvoltage conditions. Other  
protection features include cycle-by-cycle current limit-  
ing of the boost converter switch, undervoltage lockout  
(UVLO), and thermal shutdown if the die temperature  
reaches +150NC.  
S Small, Thermally Enhanced, 3mm x 3mm, Lead-  
Free, 16-Pin TQFN-EP Package  
Ordering Information  
MAXIMUM  
POWER  
(mW)  
I
:
PIN-  
PACKAGE  
APD  
PART  
I
MOUT  
MAX15059AETE+  
MAX15059BETE+  
300  
200  
1:1  
5:1  
16 TQFN-EP*  
16 TQFN-EP*  
The MAX15059 is available in a thermally enhanced,  
lead-free, 16-pin TQFN-EP package and operates over  
the -40NC to +85NC temperature range.  
Note: All devices operate over the -40°C to +85°C temperature  
range.  
+Denotes a lead(Pb)-free/RoHS-compliant package.  
*EP = Exposed pad.  
Applications  
Avalanche Photodiode Biasing and Monitoring  
PIN Diode Bias Supply  
Typical Operating Circuit  
L1  
4.7µH  
V
= 2.8V  
Low-Noise Varactor Diode Bias Supply  
FBON Modules  
IN  
TO 5.5V  
D1  
V
OUT  
(76V MAX)  
C
IN  
R2  
348kI  
C
OUT  
0.1µF  
1µF  
GPON Modules  
R
ADJ  
IN  
LX  
CNTRL  
PGND  
R1  
6.34kI  
BIAS  
FB  
MAX15059  
SHDN  
ILIM  
GPIO  
GPIO  
DAC  
RLIM  
V
DD  
V
DD  
CLAMP  
MOUT  
µC  
R
LIM  
2.87kI  
ADC  
SGND  
APD  
C
MOUT  
OPTIONAL  
(10nF)  
R
MOUT  
1kI  
APD  
TIA  
_______________________________________________________________ Maxim Integrated Products  
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.  
1234567...15

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MAX15059A MAXIM

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 		Demonstrates Thermal-Shutdown Feature
MAX15059AETE+ MAXIM

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 		76V, 300mW Boost Converter and Current Monitor for APD Bias Applications
MAX15059AETE+T MAXIM

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 		Switching Regulator, Current-mode, 1.3A, 420kHz Switching Freq-Max, BICMOS, TQFN-16
MAX15059B MAXIM

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 		Demonstrates Thermal-Shutdown Feature
MAX15059BETE+ MAXIM

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 		76V, 300mW Boost Converter and Current Monitor for APD Bias Applications
MAX15059EVKIT MAXIM

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 		Demonstrates Thermal-Shutdown Feature
MAX15059EVKIT+ MAXIM

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 		Demonstrates Thermal-Shutdown Feature
MAX15061 MAXIM

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 		80V, 300mW Boost Converter and Current Monitor for APD Bias Applications
MAX15061ATE+ MAXIM

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 		80V, 300mW Boost Converter and Current Monitor for APD Bias Applications
MAX15062 ETC

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 		60V、300mA、超小尺寸、高效、 同步降压型DC-DC转换器

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