MAX1771ESA-T Maxim Integrated Products, MAX1771ESA-T Datasheet - Page 16

• Manufacturer Part Number: MAX1771ESA-T
• Description: DC/DC Switching Controllers 12/Adj V Low IQ Step-Up
• Manufacturer: Maxim Integrated Products

Specifications of MAX1771ESA-T

• Number Of Outputs: 1
• Output Voltage: 12 V
• Output Current: 2 A
• Input Voltage: 2 V to 16.5 V
• Mounting Style: SMD/SMT
• Package / Case: SOIC-8 Narrow
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C

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