Product Information

STLD41PUR

STLD41PUR electronic component of STMicroelectronics

Datasheet
LED Lighting Drivers White LED Driver LCD Backlight 40 LED
Manufacturer: STMicroelectronics
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges



Price (USD)
N/A

Obsolete

 More Buying Options & Price Grid(s)

Availability Price Quantity
0 - WHS 1

MOQ : 3000
Multiples : 1

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STLD41PUR
STMicroelectronics

3000 : USD 0
N/A

Obsolete
0 - WHS 2

MOQ : 3000
Multiples : 3000

Stock Image

STLD41PUR
STMicroelectronics

3000 : USD 0.9096
N/A

Obsolete
0 - WHS 3

MOQ : 1
Multiples : 1

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STLD41PUR
STMicroelectronics

1 : USD 3.105
10 : USD 1.2037
100 : USD 0.8964
500 : USD 0.8705
1000 : USD 0.7841
3000 : USD 0.783
6000 : USD 0.7528
9000 : USD 0.7409
24000 : USD 0.7236
N/A

Obsolete
0 - WHS 4

MOQ : 3000
Multiples : 3000

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STLD41PUR
STMicroelectronics

3000 : USD 0.7908
N/A

Obsolete
0 - WHS 5

MOQ : 3000
Multiples : 3000

Stock Image

STLD41PUR
STMicroelectronics

3000 : USD 1.5599
N/A

Obsolete

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Additional Infomation About Product

STLD41 White LED driver for mid-size LCD display backlight Datasheet production data Features Boost DC-DC converter Drives up to 40 LEDs (4 strings of 10) with a total current up to 120 mA Input voltage range: 3.0 V to 21 V Output current control 1.4 MHz fixed frequency PWM control DFN8 (3 x 3 mm) PWM input for output current dimming with frequency range 25 kHz - 50 kHz 2 A integrated switch Overvoltage protection Chip overtemperature detection and protection signal connected to the EN pin. The LEDs can be dimmed by applying a PWM signal to the PWM Less than 1 A standby current pin. Soft-start function Package DFN8 (3 x 3) 0.65 mm pitch Applications Mini PCs PMP & PND Printers Game consoles Description The STLD41 is a boost converter that operates from 3.0 V to 21 V and can provide an output voltage as high as 38 V. It can drive up to 40 white LEDs connected in 4 strings of 10 LEDs in series. The total output current capability is 120 mA at an output voltage of 38 V. Regulation is performed by the internal error amplifier which works with the feedback voltage from the sensing resistor. The device can be turned ON/OFF by way of the logic Table 1. Device summary Order code Package Packaging STLD41PUR DFN8 (3 x 3 mm) 3000 parts per reel June 2012 Doc ID 022283 Rev 5 1/19 This is information on a product in full production. www.st.com 19Contents STLD41 Contents 1 Block diagram 3 2 Pin configuration 4 3 Maximum ratings 5 4 Typical application circuit 6 5 Electrical characteristics . 7 6 Introduction 8 6.1 PWM input . 8 7 Selection of external components 9 7.1 C selection 9 IN 7.2 C selection 9 OUT 7.3 Inductor selection 9 7.4 R value 10 SENSE 7.5 PCB layout 10 8 Typical performance characteristics . 13 9 Package mechanical data 14 10 Revision history . 18 2/19 Doc ID 022283 Rev 5

HS Compliance

Tariff Desc

8542.39.23 No ..Linear/analogue and peripheral integrated circuits, timers, voltage regulators, A/D and D/A converters, telecommunication and modem integrated circuits, other than board level products Free

Electronic integrated circuits- Processors and controllers, whether or not combined with memories, converters, logic circuits, amplifiers, clock and timing circuits, or other circuits

Stmicroelectronics may also be referenced as

C-Max
C-Max (VA)
SG3
ST
ST MICROELECTRONICS
ST2
ST7
STM
STMICRELECTRONICS
STN

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