MAX1771CSA+ Maxim, MAX1771CSA+ Datasheet - Page 16

• Manufacturer Part Number: MAX1771CSA+
• Description: Step-Up DC-DC Controller, 2.0-16.5 Vin, 12 V or Adj. Vout, 0 to 70 C, SOIC8
• Manufacturer: Maxim

Specifications of MAX1771CSA+

• Lead Free Status / Rohs Status: RoHS Compliant part Electrostatic Device

12V or Adjustable, High-Efficiency,
Low I
Figure 9. 5V/1A Boost Converter
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.
16
© 2002 Maxim Integrated Products
2.7V TO 5.5V
ON
____________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600
INPUT
0.1µF
OFF
150µF
4
5
Q
SHDN
REF
, Step-Up DC-DC Controller
GND
MAX1771
7
22µH
AGND
6
EXT
CS
V+
FB
1
8
2
3
0.1µF
MTD20N03HDL
0.04Ω
Printed USA
1N5820
100kΩ
232kΩ
OUTPUT
100pF
330µF
5V
1A
TRANSISTOR COUNT: 501
SUBSTRATE CONNECTED TO V+
___________________Chip Topography
V+
FB
is a registered trademark of Maxim Integrated Products.
EXT
100
90
80
70
60
50
SHDN
1m
V
IN
EFFICIENCY vs. LOAD CURRENT
= 4V
(2.032mm)
0.080"
LOAD CURRENT (A)
10m
V
IN
= 3V
REF
100m
CS
GND
AGND
(3.200mm)
0.126"
1