SP6415ER-L/TR Datasheet

IC型號(hào)：
SP6415ER-L/TR
PDF描述：
Integrated White LED Driver With Organic LED Display Power S...
文件大?。?/label>
1089.37KB
PDF頁數(shù)：
12頁
芯片廠家：
SIPEX

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SP6415

Integrated White LED Driver With

Organic LED Display Power Supply

鈥?/div>

Integrated OLED and White-LED Driver

Wide Input Voltage Range: 2.7V to 5.5V

Adjustable output voltage up to 20V

Complete Protection: OVP, OTP, UVP

SP6415

PWM Dimming Control

Small External Components

Cycle-By-Cycle Current Limit

Lead Free, RoHS Compliant

Applications

Packaging: 0Pin DFN

飦?/div>

Hand-held Devices

Digital Cameras

Flip-phones / Clam-shell Cellular Phones

High-fashion cellular phones

DFN-10

(3mmx3mmx0.85mm)

Top View

White LED Back-Lighting

DESCRIPTION

The SP645 is a dual Boost DC/DC converter, designed to drive up to 4 white LEDs with a constant cur-

rent and to power an organic LED display with a constant voltage. According to the SEL pin status, the

SP6415 either regulates output current flowing through series connected LEDs or regulates output volt-

age applying to the OLED. A single external resistor is used to set the maximum LED current. The LED

current can be adjusted by applying a PWM signal to the EN pin. Pulling the EN pin to GND disables the

chip and reduces the supply current to less than uA. Additional features include a low-side NFET switch

that can turn off the LED string with no DC current path to ground. Other features include OVP, OCP,

UVP and OTP. The SP645 is available in a small (3mmx3mmx0.85mm) DFN-0 package.

TYPICAL APPLICATION CIRCUIT

2.7V~4.2V

4.7碌F

OVP

ILED

ILED=

CH2

0.2

L 0碌H

Main Display

OUT

4.7

碌F

2.7V~4.2V

4.7碌F

L 0碌H

Main Display

OUT

4.7碌F

OVP

>.5V

Main

SUB

SEL

GND

FB2

SP6415

ILED

>.5V

SP6415

CH2

ILED=

SUB

OUT2

4.7碌F

Main

SUB

SEL

GND

FB2

0.2

47p

SUB

OLED

SUB

Display

SUB2

SUB

錚?/div>

= 錚?/div>

SUB

錚?脳

1.23

SUB

錚?/div>

ILED2

ILED2=

.23

FB2

Figure . Main LEDs Display and OLED SUB Display

Feb27-07 Rev K

Figure 2. 4 LEDs for Main Panel and 3 LEDs for SUB Panel

漏 2007 Sipex Corporation

Integrated White LED Driver With Organic LED Display Power Supply

制造商
Exar
產(chǎn)品種類
LED照明驅(qū)動(dòng)器
封裝
Reel

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SP6415ER-L/TR Datasheet

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