MAX15059BETE+T 开关稳压器 MAXIM

MAX15059BETE+T

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

开关稳压器 2Ch 108ksps 2.7V Serial 12Bit ADC

General Description

The MAX15059BETE+T MAX15059 constant-frequency pulse-width modulating (PWM) step-up DC-DC converter features an internal switch and a high-side current monitor with highspeed 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.

MAX15059BETE+T Features

S Input Voltage Range: +2.8V to +5.5V

S Wide Output-Voltage Range from (VIN + 5V) to 76V

S Internal 1I (typ) 80V MOSFET

S Boost Converter Output Power: 300mW

S 200mW Version Available for Smaller Inductor

S Accurate ±5% (1:1 and 5:1) High-Side Current Monitor

S Resistor-Adjustable Ultra-Fast APD Current Limit (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 +125NC Temperature Range

S Small, Thermally Enhanced, 3mm x 3mm, LeadFree, 16-Pin TQFN-EP Package

MAX15059BETE+T Applications

Avalanche Photodiode Biasing and Monitoring

PIN Diode Bias Supply

Low-Noise Varactor Diode Bias Supply

FBON Modules

GPON Modules