MAX8596X datasheet(4/8 Pages) MAXIM

Part #	MAX8596X

Description	High-Efficiency, 36V Step-Up Converters with TA Derating Option for 2 to 9 White LEDs

PDF	8 Pages

Scroll/Zoom	100%

Manufacturer	MAXIM [Maxim Integrated Products]

Direct Link	https://www.maximintegrated.com/en.html

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4 / 8 page

High-Efficiency, 36V Step-Up Converters

with TA Derating Option for 2 to 9 White LEDs

_______________________________________________________________________________________

Typical Operating Characteristics

(Circuit of Figure 1, VIN = 3.6V, ILED = 25mA, L = 22µH, CIN = 2.2µF, COUT = 0.1µF, CCOMP = 0.1µF, RSENSE = 13

Ω, 4 LEDs, TA = +25°C,

unless otherwise noted.)

EFFICIENCY

vs. INPUT VOLTAGE

INPUT VOLTAGE (V)

100

3 LEDs

4 LEDs

6 LEDs

8 LEDs

EFFICIENCY

vs. LED CURRENT

LED CURRENT (mA)

030

3 LEDs

6 LEDs

8 LEDs

LED CURRENT

vs. DIRECT-PWM DIMMING

DUTY CYCLE (%)

0100

LED CURRENT

vs. AMBIENT TEMPERATURE

TEMPERATURE (

°C)

-20

-40

100

MAX8596,

ILED = 25mA AT TA = +25

°C

MAX8595,

ILED = 15mA

SWITCHING WAVEFORMS

MAX8595X toc05

500ns/div

VIN

20mV/div

AC-COUPLED

200mV/div

AC-COUPLED

100mA/div

10V/div

VLX

VOUT

SOFT-START AND SHUTDOWN RESPONSE

MAX8595X toc06

20ms/div

VCTRL

2V/div

40mA/div

10V/div

100mA/div

IIN

ILED

VOUT

MAX8596X Datasheet(PDF) 4 Page - Maxim Integrated Products

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