MAX780DEAP-T Maxim Integrated, MAX780DEAP-T Datasheet

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MAX780DEAP-T

Manufacturer Part Number
MAX780DEAP-T
Description
Power Switch ICs - Power Distribution
Manufacturer
Maxim Integrated
Datasheet
1.MAX780BEAGT.pdf (12 pages)

Specifications of MAX780DEAP-T

Number Of Outputs
2
On Resistance (max)
1.6 Ohms, 30 Ohms, 140 Ohms
Operating Supply Voltage
2.85 V to 5.5 V, 0 V to 12.6 V
Supply Current (max)
0.13 mA
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Package / Case
SSOP-20
Maximum Power Dissipation
640 mW
Minimum Operating Temperature
- 40 C
19-0125; Rev. 1; 8/93
The MAX780A provides the power switching and status
signals necessary to control two Personal Computer
Memory Card International Association (PCMCIA)
Release 2.0 card slots. The MAX780A, used in conjunc-
tion with a PC Card Interface Digital Controller, forms a
complete, minimum component count PCMCIA interface
for palmtop and notebook computers.
The MAX780A incorporates two 0V/+5V/+12V/high-
impedance power outputs for flash V
level shifters for power MOSFET control of two sepa-
rate +3.3V/+5V supplies, and two V
status signals. The MAX780A may be directly con-
nected to the control outputs from a PCMCIA digital
controller, or may be configured to use internal edge-
triggered registers for connection to the CPU data bus.
The MAX780B has all the features of the MAX780A but
omits the reference and V
MAX780C has all the features of the MAX780A but
omits the registers for the digital inputs. The MAX780D
omits the reference, the V
digital input registers.
Call toll free 1-800-998-8800 for free samples or literature.
_______________General Description
MAX780A
MAX780B
MAX780C
MAX780D
_______________________Applications
Number
Part
Notebook and Palmtop Computers
Personal Organizers
Digital Cameras
Handiterminals
Bar-Code Readers
Dual-Slot PCMCIA Analog Power Controller
Reference &
V
Indicators
PP
Status
________________________________________________________________ Maxim Integrated Products
Connection to
CPU Data Bus
PP
Registers for
PP
valid indicators, and the
Direct
valid indicators. The
PP
PP
programming,
Level Shifters
power-ready
Switches &
Switching
Dual V
for V
CC
PP
Ordering Information continued on last page.
* Contact factory for dice specifications.
__________Typical Operating Circuit
______________Ordering Information
___________________________Features
MAX780ACNG
MAX780ACAG
MAX780AC/D
MAX780AENG
MAX780AEAG
SSOP Circuit Fits in 0.09in 2
Smallest Complete Analog Controller for Two
PCMCIA (Release 2.0/JEIDA 4.1) PC Card Sockets
Dual V
Logic-Compatible with Industry-Standard
PCMCIA Digital Controllers:
0V/+5V/+12V/High-Impedance V
Internal 1.6Ω V
Dual Voltage 3.3V/5V V
V
130µA Quiescent Supply Current
(3.5µA in Shutdown)
Break-Before-Make Switching
PP
PART
REF
C1
C2
WR
SHDN
Power-Ready Status Signals
VPPIN
+12V
CC
MAX780A
Intel 82365SL_DF
Fujitsu MB86301
Chips and Technology F8680
Cirrus Logic CL-PD6720
GND
Contols and V
DIGITAL
VCCIN
+5V
ADRV3
ADRV5
BDRV5
BDRV3
-40°C to +85°C
-40°C to +85°C
I/O
AVPP
BVPP
TEMP. RANGE
0°C to +70°C
0°C to +70°C
0°C to +70°C
PP
Power Switches
CC
PP
Operation
+5V
Outputs
+3.3V
+5V
24 Narrow Plastic DIP
24 SSOP
Dice*
24 Narrow Plastic DIP
24 SSOP
PP
PIN-PACKAGE
Outputs
V
V
V
V
CC
CC
PP
PP
PCMCIA SLOT
PCMCIA SLOT
CONTROLLER
PCMCIA
DIGITAL
#1
#2
1

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MAX780DEAP-T Summary of contents

Page 1

... Notebook and Palmtop Computers Personal Organizers Digital Cameras Handiterminals Bar-Code Readers ________________________________________________________________ Maxim Integrated Products Call toll free 1-800-998-8800 for free samples or literature. ___________________________Features SSOP Circuit Fits in 0.09in 2 Smallest Complete Analog Controller for Two PCMCIA (Release 2.0/JEIDA 4.1) PC Card Sockets Dual V ...

Page 2

Dual-Slot PCMCIA Analog Power Controller ABSOLUTE MAXIMUM RATINGS VCCIN to GND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...

Page 3

Dual-Slot PCMCIA Analog Power Controller ELECTRICAL CHARACTERISTICS (continued) (VCCIN = +5V, VPPIN = +12V MIN PARAMETER LOGIC SECTION Logic Input Leakage Current Logic Input High Logic Input Low AGPI, BGPI Logic Output High AGPI, ...

Page 4

Dual-Slot PCMCIA Analog Power Controller ____________________________Typical Operating Characteristics (continued) AVPP SWITCH RESISTANCE (12V MODE) 2.6 2.2 1.8 VCCIN = +5.0V AVPP = 0V, 1.4 AVPP = +5.0V 1.0 10.0 10.5 11.0 11.5 12.0 12.5 VPPIN (V) ...

Page 5

Dual-Slot PCMCIA Analog Power Controller ________________________________________________________Pin Description PIN NAME MAX780A/B/C MAX780D Pin-strap input that selects edge-triggered register or direct digital inputs. Tying C2 to VCCIN makes the logic inputs edge triggered; inputs to pins 4-11 are clocked in on the ...

Page 6

Dual-Slot PCMCIA Analog Power Controller Table 1. AVPP Control Logic C1 AVPP1 AVPP0 Table 2. BVPP ...

Page 7

Dual-Slot PCMCIA Analog Power Controller If a mechanical interlock switch cannot be used, an extra MOSFET must be added, as shown in Figure 1. Placing two N-channel MOSFETs in series with their body diodes facing in opposite directions allows V ...

Page 8

Dual-Slot PCMCIA Analog Power Controller AVPP1 A_VPP_PGM A_VPP_VCC AVPP0 AVCC1 A_-VCC_3 AVCC0 A_-VCC_5 B_VPP_PGM BVPP1 MAX780_ B_VPP_VCC BVPP0 BVCC1 B_-VCC_3 C1 BVCC0 B_-VCC_5 C2 AGPI VPP_VALID BGPI GND Figure 2. Logic Connections to CL-PD6720 +5V DATA BUS VCCIN C2 D0 ...

Page 9

Dual-Slot PCMCIA Analog Power Controller ____________________________________________Pin Configurations (continued GND VPPIN VCCIN 4 AVPP AVPP1 21 AVPP0 BVPP 5 20 BVPP1 REF 6 19 MAX780A SHDN BVPP0 7 18 AGPI AVCC1 8 ...

Page 10

Dual-Slot PCMCIA Analog Power Controller __________________________________________________Detailed Operating Circuit +5V +12V C 0 VPPIN VCCIN ADRV5 REF ADRV3 C1 BDRV5 C2 BDRV3 GND WR AVPP MAX780A BVPP AVCC0 AVCC1 AVPP0 AVPP1 BVCC0 BVCC1 BVPP0 BVPP1 AGPI BGPI SHDN SHUTDOWN ...

Page 11

... SSOP MAX780DCPP 0°C to +70°C 20 Plastic DIP MAX780DCAP 0°C to +70°C 20 SSOP MAX780DC/D 0°C to +70°C Dice* MAX780DEPP -40°C to +85°C 20 Plastic DIP MAX780DEAP -40°C to +85°C 20 SSOP * Contact factory for dice specifications. _______________________________________________________Package Information ______________________________________________________________________________________ ___________________Chip Topography ...

Page 12

... Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied. Maxim reserves the right to change the circuitry and specifications without notice at any time. 12 __________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 (408) 737-7600 © 1993 Maxim Integrated Products ...

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