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MAX8596X

Maxim Integrated Products
Part Number MAX8596X
Manufacturer Maxim Integrated Products
Description High-Efficiency 36V Step-Up Converters
Published Apr 12, 2010
Detailed Description 19-3485; Rev 0; 11/04 KIT ATION EVALU E L B AVAILA www.DataSheet4U.com High-Efficiency, 36V Step-Up Converters with T...
Datasheet PDF File MAX8596X PDF File

MAX8596X
MAX8596X

Overview
19-3485; Rev 0; 11/04 KIT ATION EVALU E L B AVAILA www.
DataSheet4U.
com High-Efficiency, 36V Step-Up Converters with TA Derating Option for 2 to 9 White LEDs General Description Features ♦ Up to Nine LEDs at 25mA ♦ Temperature Derating Function to Allow Fewer LEDs for Same Light (MAX8596X) ♦ 86% Efficiency (PLEDs / PIN) ♦ 1.
7% Current-Regulation Accuracy ♦ Output Overvoltage Protection ♦ Flexible Dimming Control Analog Direct-PWM Internal Filter ♦ 1MHz PWM Switching Frequency ♦ 0.
1µF Output Capacitor ♦ 12mVP-P Low Input Ripple ♦ Soft-Start Eliminates Inrush Current ♦ 2.
6V to 5.
5V Input Range ♦ 0.
3µA Shutdown Current ♦ Pin Compatible with the MAX1561 and MAX1599 ♦ TDFN 3mm x 3mm x 0.
8mm Package with Exposed Paddle MAX8595X/MAX8596X The MAX8595X/MAX8596X drive up to nine white LEDs with constant current and high efficiency to provide LCD backlighting in cell phones, PDAs, and other handheld devices.
The series connection allows the LED currents to be identical for uniform brightness and minimizes the number of traces to the LEDs.
The MAX8595X regulates constant LED current over the entire temperature range.
The MAX8596X features an ambient-temperature derating function to avoid overdriving the white LEDs during high ambient temperatures, enabling higher drive current below +42°C.
A single Dual Mode™ input provides a simple means of brightness adjustment and on/off control.
Fast 1MHz current-mode PWM operation allows for small input and output capacitors and a small inductor while minimizing ripple on the input supply/battery.
Soft-start eliminates inrush current during startup.
The MAX8595X/MAX8596X are available in a spacesaving, 8-pin, 3mm x 3mm TDFN package.
Applications Cell Phones and Smart Phones PDAs, Palmtops, and Wireless Handhelds e-Books and Subnotebooks White LED Display Backlighting Ordering Information PART TEMP RANGE PIN-PACKAGE PKG CODE MAX8595XETA -40°C to +85°C 8 TDFN 3mm x 3mm T833-1 MAX8596XETA* -40°C to +85°C 8 TDFN 3mm x 3mm T833-1 Dual M...


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