STLD20CP1PQR STMicroelectronics, STLD20CP1PQR Datasheet - Page 4

• Manufacturer Part Number: STLD20CP1PQR
• Description: IC LED DRIVR BCKLGT FLASH 16-QFN
• Manufacturer: STMicroelectronics
• Type: Backlight, Flash, Movier

Specifications of STLD20CP1PQR

• Topology: PWM, Step-Up (Boost), Switched Capacitor (Charge Pump)
• Number Of Outputs: 2
• Internal Driver: Yes
• Type - Primary: Backlight, Flash/Torch
• Type - Secondary: White LED
• Frequency: 1.3MHz
• Voltage - Supply: 2.8 V ~ 6 V
• Voltage - Output: 17V
• Mounting Type: Surface Mount
• Package / Case: 16-QFN
• Operating Temperature: -40°C ~ 85°C
• Internal Switch(s): Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Current - Output / Channel: -
• Efficiency: -
• Other names: 497-6924-2; STLD20CP1PQR

2
Figure 2.
Table 2.
4/19
OUT_SU
OUT_CP
Symbol
FB_SU
FB_CP
SGND
PGND
DM1
DM2
SEL
SW
CN
CP
TF
IN
IT
IF
Pin description
Pin configuration (top view)
Pin description
Pin n°
10
11
12
13
14
15
16
1
2
3
4
5
6
7
8
9
Signal ground
Logic input to control current through the white LEDs, and shutdown mode
function on backlight
Logic input to control current through the white LEDs, and shutdown mode
function on backlight
Feedback of step-up. Control current pin on backlight
Sensing of the step-up output voltage in order to provide protection in case of
the output voltage exceeds OVP threshold
Supply voltage of the device
Switch node. The internal N-channel drain is connected to this pin
Power ground
Negative input for the external charge pump capacitor
Positive input for the external charge pump capacitor
Feedback of charge pump. Control current pin on flash
Out of the charge pump 2X, 1X
Logic input to enable charge pump
A resistor connected between this pin and IN sets the maximum value of
current in torch mode (SEL=0)
A resistor connected between this pin and IN sets the maximum value of
current in flash mode (SEL=1)
Logic input to control flash mode. (see truth table charge pump)
Description