SC21152

5

Electrical Characteristics (continued)

Parameter

Symbol

Conditions

Min

Typ

Max

Units

PG Low Voltage

VLOpg

IPG = 5mA

0.4

V

PG Open Leakage Current

IOHpg

VPG = VIN

1

μA

Power Good Threshold

PGth

FB rising edge, percentage of FB final value

95

%

Power Good Threshold Hysteresis

PGthhy

percentage of FB final value

(rising to falling edge)

3

%

Power Good Assert Time

PGtdr

from FB = Power Good Threshold

to PG open drain

75

μs

Power Good Deassert Time

PGtdf

from falling edge of FB

to PG pulled to GND

13

μs

Notes:

(1) The SC21152 can be configured with a range of options as shown. Contact Semtech Marketing for more information.

VOUT options: adjustable or fixed output voltage.

For fixed VOUT, the voltage can be specified from 0.8V to 3.6V in 50mV increments.

Soft Start options: Fixed 100μs with options of 200μs, 400μs, and 800μs.

Frequency options: Operating frequency is 4MHz with options of 2.2MHz, 3MHz, or 6MHz.

Output Discharge options: VOUT Automatic Discharge or No Discharge.