11

LTC1470/LTC1471

Information furnished by Linear Technology Corporation is believed to be accurate and reliable.

However, no responsibility is assumed for its use. Linear Technology Corporation makes no represen-

tation that the interconnection of circuits as described herein will not infringe on existing patent rights.

LT1313

BVALID

BEN1

AEN1

BEN0

GND

GND

13V TO 20V*

0.1

µF

1

µF

1

µF

VPP1

VPP2

VPP1

VPP2

PCMCIA

CARD SLOT

#1

PCMCIA

CARD SLOT

#2

A_VPP_PGM

B_VPP_PGM

VPP_VALID

1470/71 TA04

BSENSE

ASENSE

AEN0

AVALID

+

+

CL-PD6720

51k

PCMCIA

CARD SLOT

#2

0.1

µF

10k

0.1

µF

1

µF

TANT

1

µF

TANT

LTC1471

3.3V

5V

AEN0

AEN1

BEN0

BEN1

AOUT

AOUT

BOUT

BOUT

GND

GND

(OFF/3.3V/5V)

(OFF/3.3V/5V)

+

+

10k

* FROM OVERWINDING ON 3.3V OR 5V INDUCTOR IN SYSTEM POWER SUPPLY.

SEE FIGURES 3, 4 FOR FURTHER DETAILS

Dual Slot PCMCIA Controller with SafeSlot Current Limit

Protection Using LT1313 Dual VPP Regulator/Driver