SY8003ADFC datasheet(2/10 Pages) SILERGY

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SY8003/SY8003A

Pinout (top view)

SGND

PGND

Part Number

Package type

Top Mark①

SY8003DFC

DFN2x2-8

JDxyz

SY8003ADFC

DFN2x2-8

KWxyz

Note① ： x=year code, y=week code, z= lot number code.

Pin Name

Pin Number

Pin Description

Enable control. Pull high to turn on. Do not float.

PGND

4/Exposed

Power ground pin.

Paddle

SGND

Signal ground pin.

Inductor pin. Connect this pin to the switching node of inductor.

Power input pin. Decouple this pin to GND pin with at least 10µF ceramic cap.

Power good indicator(Open drain output). Low if the output < 90% of regulation

voltage or >120% regulation voltage; High otherwise. Connect a pull-up resistor to the

input.

Output Feedback Pin. Connect this pin to the center point of the output resistor divider

(as shown in Figure 1) to progr m the output voltage: Vout=0.6*(1+R1/R2).

No connection.

Absolute Maximum Ratings (Note 1)

Supply Input Voltage -----------------------------------------------------------------------------------------------

-0.3V to 6.0V

Enable, FB Voltage------------------------------------------------------------------------------------------ - 0.3V to VIN + 0.6V

LX Voltage----------------------------------------------------------------------------------------------------- - 0.3V（*1） to 6V（*2）

Power Dissipation, PD @ TA = 25°C DFN2x2-8 , ------ -------------------------------------------------------------------1W

Package Thermal Resistance (Note 2)

θ JA -----------------------------------------------------------------------------------------------------------------

120°C/W

θ JC ------------------------------------------------------------------------------------------------------------------

8.2°C/W

Junction Temperature Range -----------------------------------------------------------------------------------------------

150°C

Lead Temperature (S ldering, 10 sec.) ------------------------------------------------------------------------------------

260°C

Storage Temperature Range --------------------------------------------------------------------------------------

65°C to 150°C

(*1) LX Voltage tested down to -5V<10ns

(*2) LX Volta e tested up to +7V<50ns

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_SY8003/A Rev. 0.9Silergy Corp. Confidential- Prepared for Customer Use Only

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