EM1101 datasheet(2/8 Pages) EXCELLIANCE

2 / 8 page

2011/09/19

Rev.A.5

EM1101

Pin Assignment

Pin Name

Pin No.

Pin Function

Chip Enable Input (Active high).

GND

Ground.

VIN

Input Voltage. This is the source input to the power device that supplies current to

the output pin.

VOUT

Output Voltage. VOUT is power output pin. An internal pull low resistance exists

when the device is disabled. Minimum 1uF low ESR ceramic capacitor is required at

this pin for stabilizing VOUT voltage.

Feedback Voltage. FB is the non-inverting input to the error amplifier. A resistor

divider from the output to GND is used to set the regulation voltage as

( )

)

0.8

OUT

. This pin has high impedance and should be kept from

noisy source to guarantee stable operation.

Function Block Diagram

Absolute Maximum Ratings (Note1)

VIN ----------------------------------------------------------------------------------------------------- -0.3V to +6.0V

Other Pins--------------------------------------------------------------------------------------

-0.3V to (VIN+0.3V)

Power Dissipation, PD @ TA = 25°°°°C, SOT23-5 --------------------------------------------------------

0.4W

Package Thermal Resistance, θJA, SOT23-5 (Note 2)------------------------------------------- 250°°°°C/W

Junction Temperature--------------------------------------------------------------------------------------

150°°°°C

Lead Temperature (Soldering, 10 sec.)---------------------------------------------------------------

260°°°°C

Storage Temperature --------------------------------------------------------------------------

−

65°°°°C to 150°°°°C

ESD susceptibility (Note3)

HBM (Human Body Mode)--------------------------------------------------------------------------------

2KV

MM (Machine Mode)---------------------------------------------------------------------------------------

200V

Recommended Operating Conditions (Note4)

Supply Input Voltage, VIN --------------------------------------------------------------------- +2.5V to +5.5V

Junction Temperature -------------------------------------------------------------------------- −

−

40°°°°C to 125°°°°C

Ambient Temperature ---------------------------------------------------------------------------- −

−

40°°°°C to 85°°°°C

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