SC2597

8

Typical Characteristics

Start-Up and Shutdown Using EN

Characteristics in this section are based upon the detailed application circuit on page 6.

Start-Up Using VDDQ

VIN = 1.2V, VDD = 3.3V, VREF = 0A, VTT = 0A

Load Transient Source and Sink: -1A to +1A

VTT (200mV/div)

VREF (200mV/div)

VDDQ (200mV/div)

EN (2V/div)

500us/div

2ms/div

VREF (200mV/div)

VTT (200mV/div)

VDDQ (200mV/div)

VDD (1V/div)

Source Current Load (1A/div)

VTT (20mV/div)

200us/div

Shutdown Using VDD

VDDQ = 1.2V, VIN = 1.2V, VDD = 3.3V

VREF = 0A, VTT = 0A, VIN = 1.2V

VREF = 40mA, VTT = 1A

VDD (1V/div)

VREF (200mV/div)

VTT (200mV/div)

5ms/div

VIN = VDDQ (200mV/div)

Sink Current Load (1A/div)

Current Limit with VTT Shorted

VDDQ = 1.2V, VIN = 1.2V, VDD = 3.3V

10ms/div

VTT (100mV/div)

Input Current (1A/div)

Start-Up Using VDD

VTT (200mV/div)

1ms/div

VIN = VDDQ (200mV/div)

VREF (200mV/div)

VDD (1V/div)

VREF = 40mA, VTT = 1A

7mV