MB39C015 datasheet(4/43 Pages) CYPRESS

4 / 43 page

MB39C015

Document Number: 002-08364 Rev. *A

Page 4 of 43

2. Pin Descriptions

Pin No.

Pin Name

I/O

Description

CTLP

Voltage detection circuit block control input pin.

(L : Voltage detection function stop, H : Normal operation)

2/3

CTL2/CTL1

DC/DC converter block control input pin.

(L : Shut down, H : Normal operation)

AGND

–

Control block ground pin.

AVDD

–

Control block power supply pin.

VREF

Reference voltage output pin.

VDET

Voltage detection input pin.

8/23

VREFIN1/VREFIN2

Error amplifier (Error Amp) non-inverted input pin.

9/22

MODE1/MODE2

Use pin at L level or leave open.

10/21

OUT1/OUT2

Output voltage feedback pin.

11, 12/

19, 20

DVDD1/DVDD2

–

Drive block power supply pin.

13/18

LX1/LX2

Inductor connection output pin.

High impedance during shut down.

14, 15/

16, 17

DGND1/DGND2

–

Drive block ground pin.

XPOR

VDET circuit output pin.

Connected to an N-ch MOS open drain circuit.

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