STLD40DPUR STMicroelectronics, STLD40DPUR Datasheet - Page 8

• Manufacturer Part Number: STLD40DPUR
• Description: IC LED DRIVER WHITE BCKLGT 8-QFN
• Manufacturer: STMicroelectronics
• Type: Backlight, White LEDr

Specifications of STLD40DPUR

• Topology: PWM, Step-Up (Boost)
• Number Of Outputs: 1
• Internal Driver: Yes
• Type - Primary: Backlight
• Type - Secondary: White LED
• Voltage - Supply: 3 V ~ 5.5 V
• Voltage - Output: 37V
• Mounting Type: Surface Mount
• Package / Case: 8-QFN
• Operating Temperature: -40°C ~ 85°C
• Current - Output / Channel: 20mA
• Internal Switch(s): Yes
• Efficiency: 80%
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Frequency: -
• Lead Free Status / Rohs Status: Details
• Other names: 497-8927-2

Typical application
6
Figure 3.
Table 6.
Note:
8/16
Symbol
R
R
C
C
LED
SET
D
L
O
I
Boost schottky diode
Feedback LED current regulation
resistor
Current peak setting resistor
Input filtering capacitor
Output capacitance: ceramic low
ESR
Boost inductor (height < 2mm)
Typical application
Application circuit
External component proposal (see
The external components proposal should be considered as a design reference guide.The
performances mentioned in the electrical characteristics table are not guaranteed for all the
possible electrical parameters of the components included in this list. On an other hand the
operation of STLD40D is not limited with the use of components included in this list.
Parameter
VRRM
V
I
I
I
Ceramic Type
Capacitance
Voltage
ESR
Inductance
DCR
I
Doc ID 12203 Rev 6
R
LED
PEAK
SATRSET
F
at V
at I
= 20 mA
= 0.2 A to 1 A
F
R
Test conditions
= 300 mA, T
Figure
= 10 V, T
= GND
3)
J
= 25 °C
J
= 25 °C
Min.
4.7
40
12
35
Typ.
2.2
8
Max.
100
0.5
1.6
4.7
30
1
1
STLD40D
Unit
µA
kΩ
µH
µF
µF
Ω
Ω
Ω
V
V
V
A