STLDC08 STMicroelectronics, STLDC08 Datasheet - Page 7

• Manufacturer Part Number: STLDC08
• Description: Step-up controller for LED supply
• Manufacturer: STMicroelectronics

STLDC08
3
Figure 3.
Table 6.
Pin #
10
1
2
3
4
5
6
7
8
9
Pin configuration
Pin connections (top through view)
Pin description
Exposed Pad
PWMOUT
Pin name
EN/PWM
SENSE
VOUT
2Vcc
GND
VCC
DRV
FB
V5
Bottom view
Over voltage protection and supply pin for the IC when V
Driver of the external MOSFET for PWM dimming. The driver stage is controlled by
EN/PWM signal
Charge pump output
Supply voltage when V
pump
Feedback pin for LED current control
Sense resistor for current mode control and peak current limit
Enable pin and PWM control input for PWMOUT pin
Ground reference
Driver output for Boost stage MOSFET
Internal regulator output. Decouple this pin locally to the IC ground with a minimum
of 1 µF ceramic capacitor
The exposed pad needs to be connected and soldered to analog ground
Doc ID 18476 Rev 1
OUT
< 2 V, this pin represents the input of the internal charge
Pin function
Top view
OUT
> 2 V
Pin configuration
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