SY8089/8089A
Pinout (top view)
SOT23-5
①
Part Number
SY8089AAC
Package type
SOT23-5
Top Mark
JXxyz
SY8089AAAC
SOT23-5
KVxyz
Note① : x=year code, y=week code, z= lot number code
Pin Name
EN
GND
LX
Pin Number
Pin Description
Enable control. Pull high to turn on. Do not float.
Ground pin.
Inductor pin. Connect this pin to the switching node of inductor.
Input pin. Decouple this pin to GND pin with at least 10µF ceramic cap.
Output Feedback Pin. Connect this pin to the center point of the output
resistor divider (as shown in Figure 1) to program the output voltage:
Vout=0.6*(1+R1/R2).
1
2
3
4
5
IN
FB
Absolute Maximum Ratings (Note 1)
Supply Input Voltage ----------------------------------------------------------------------------------------------- -0.3V to 6.0V
Enable, FB Voltage------------------------------------------------------------------------------------------ -0.3V to VIN + 0.6V
Power Dissipation, PD @ TA = 25°C,
SOT23-5 -------------------------------------------------------------------------------------------------------------- 0.6W
Package Thermal Resistance (Note 2)
θ
θ
JA --------------------------------------------------------------------------------------------------------------- 170°C/W
JC ----------------------------------------------------------------------------------------------------------------130°C/W
Junction Temperature Range ----------------------------------------- ------------------------------------------ -40°C to 150°C
Lead Temperature (Soldering, 10 sec.) ----------------------------------------------------------------------------------- 260°C
Storage Temperature Range ------------------------------------------------------------------------------------- -65°C to 150°C
Recommended Operating Conditions (Note 3)
Supply Input Voltage ------------------------------------------------------------------------------------------------ 2.7V to 5.5V
Junction Temperature Range ------------------------------------------------------------------------------------ -40°C to 125°C
Ambient Temperature Range ------------------------------------------------------------------------------------- -40°C to 85°C
AN_SY8089/A Rev. 0.9
Silergy Corp. Confidential- Prepared for Customer Use Only 2