MAX1771CSA+T Maxim Integrated Products, MAX1771CSA+T Datasheet - Page 16

• Manufacturer Part Number: MAX1771CSA+T
• Description: IC DC-DC CNTRL HI EFF 8-SOIC
• Manufacturer: Maxim Integrated Products
• Type: Step-Up (Boost)r

Specifications of MAX1771CSA+T

• Internal Switch(s): No
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Voltage - Output: 12V, 2 ~ 16.5 V
• Current - Output: 2A
• Frequency - Switching: 300kHz
• Voltage - Input: 2 ~ 16.5 V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 8-SOIC (3.9mm Width)
• Power - Output: 471mW
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

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