MAX845EUA Maxim Integrated Products, MAX845EUA Datasheet - Page 15
![IC DRVR XFRMR CMOS PCMCIA 8UMAX](/photos/1/39/13936/406-8-msop_sml.jpg)
MAX845EUA
Manufacturer Part Number
MAX845EUA
Description
IC DRVR XFRMR CMOS PCMCIA 8UMAX
Manufacturer
Maxim Integrated Products
Datasheet
1.MAX845ESA.pdf
(16 pages)
Specifications of MAX845EUA
Applications
Transformer Driver, PCMCIA
Voltage - Input
3.3V, 5V
Number Of Outputs
1
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
8-MSOP, Micro8™, 8-uMAX, 8-uSOP,
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Voltage - Output
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
MAX845EUA
Manufacturer:
MAXIM
Quantity:
39
Company:
Part Number:
MAX845EUA
Manufacturer:
MAXIM
Quantity:
11
Part Number:
MAX845EUA
Manufacturer:
MAXIM/美信
Quantity:
20 000
Company:
Part Number:
MAX845EUA+
Manufacturer:
Maxim
Quantity:
1 000
Part Number:
MAX845EUA+
Manufacturer:
MAXIM/美信
Quantity:
20 000
Company:
Part Number:
MAX845EUA+T
Manufacturer:
ON
Quantity:
30 000
Part Number:
MAX845EUA+T
Manufacturer:
MAXIM/美信
Quantity:
20 000
Company:
Part Number:
MAX845EUA-T
Manufacturer:
MAXIM
Quantity:
7 290
Table 2. Rectifier Topology Trade-Offs
2-Diode
Push/Pull
(Figure 11a)
4-Diode
Bridge
(Figure 11b)
Voltage
Doubler
(Figure 11c)
TOPOLOGY
• Only 3 external
• Low output ripple
• Single diode drop
• Simpler transformer
• Low output ripple
• Fewest turns on
winding requirements
components
transformer
______________________________________________________________________________________
ADVANTAGE
• More turns on
• 5 external
• Higher cost
• 2 diode drops
• 4 external
• Higher output
• 2 diode drops
DISADVANTAGE
transformer
components
components
ripple
Isolated Transformer Driver
for PCMCIA Applications
Table 3. Suggested Capacitor Suppliers
SUBSTRATE CONNECTED TO V
TRANSISTOR COUNT: 31
___________________Chip Topography
Low-ESR 267 Series
Ceramic
Very Low-ESR 595D/293D
Series
GND1
SD
FS
CAPACITOR
D1
(1.4732mm)
0.058"
Matsuo
USA Phone: (714) 969-2491
FAX: (714) 960-6492
Murata Erie
USA Phone: (800) 831-9172
FAX: (404) 436-3030
Sprague Electric Co.
USA Phone: (603) 224-1961
FAX: (603) 224-1430
D2
CC
SUPPLIER
GND2
V
(2.159mm)
CC
0.085"
15