ZSPM4011B Datasheet

© 2016 Integrated Device Technology, Inc.

8

January 27, 2016

Parameter

Symbol

Condition

Min

Typ

Max

Unit

Feedback Reference

(Adjustable Mode)

0.886

0.9

0.914

V

Soft Start Ramp Time

4

ms

PFM Mode FB Comparator

Tolerance

For the adjustable version, the

ratio of VCC/Vout cannot exceed

16

-1.5

1.5

%

PFM Mode FB Comparator

Threshold

1%

V

Threshold

88%

90%

92%

Hysteresis

UV_HYST

1.5%

103%

Hysteresis

OV_HYST

Max Duty Cycle

1) 2)

95%

97%

99%

1)

2)

Regulator VSW pin is forced off for 240ns every 8 cycles to ensure the BST cap is replenished.