DS1600SPE Data Sheet

Control and Status Signals

Input Signals

PSON_L

Active LOW signal which enables/disables the main output. Pulling this signal LOW will turn-on the main output. System Side pull-up resistor is not required.

MIN

MAX

V

IL

Input logic level LOW

0.8 V

V

IH

Input logic level HIGH

2.0 V

5.0 V

I

SOURCE

Current that may be sourced by this pin

2 mA

I

SINK

Current that may be sunk by this pin at low state

0.5 mA

PSKILL_H

First break/last mate active HIGH signal which enables/disables the main output. This signal will have to be pulled to ground at the system side.

MIN

MAX

V

IL

Input logic level LOW. This allows for the power supply to

be tunred on

0.8 V

V

IH

Input logic level HIGH. Immediately shuts down the power

supply

2.0 V

5.0 V

I

SOURCE

Current that may be sourced by this pin

2 mA

I

SINK

Current that may be sunk by this pin at low state

0.5 mA

VSENSE+, VSENSE-

VSENSE+ and VSENSE- lines are the remote sense lines for regulation. Each line will compensate for a maximum of 200 mV.

Output Signals

ACOK

Signal used to indicate the presence of AC input to the power supply. A logic level HIGH will indicate that the AC input to the power supply is within the operating

range while a logic level LOW will indicate that AC has been lost.

This is an open collector/drain output. This pin is pulled high by a 1.0 kohm resistor connected to 3.3 V inside the power supply. It is recommended that this pin be

connected to a 100 pF decoupling capacitor and pulled down by a 100 kohm resistor.

MIN

MAX

V

IL

Output logic level LOW

0.6 V

V

IH

Output logic level HIGH

2.0 V

5.0 V

I

SOURCE

Current that may be sourced by this pin

3.3 mA

I

SINK

Current that may be sunk by this pin at low state

0.7 mA

PWR_GOOD / PWOK

Signal used to indicate that main output voltage is within regulation range. The PWR_GOOD signal will be driven HIGH when the output voltage is valid and will be

driven LOW when the output falls below the under-voltage threshold.

This signal also gives an advance warning when there is an impending power loss due to loss of AC input or system shutdown request. More details in the Timing Section.

This is an open collector/drain output. This pin is pulled high by a 1.0 kohm resistor connected to 3.3 V inside the power supply. It is recommended that this pin be

connected to a 100 pF decoupling capacitor and pulled down by a 10 kohm resistor.

MIN

MAX

V

IL

Output logic level LOW

0.8 V

V

IH

Output logic level HIGH

2.0 V

5.0 V

I

SOURCE

Current that may be sourced by this pin

3.3 mA

I

SINK

Current that may be sunk by this pin at low state

0.7 mA