MAX1957EUB+ Maxim Integrated Products, MAX1957EUB+ Datasheet - Page 22

• Manufacturer Part Number: MAX1957EUB+
• Description: IC CNTRLR PWM BUCK 10-UMAX
• Manufacturer: Maxim Integrated Products
• Type: Step-Down (Buck)r

Specifications of MAX1957EUB+

• Internal Switch(s): No
• Synchronous Rectifier: Yes
• Number Of Outputs: 1
• Voltage - Output: 0.4 ~ 4.73 V
• Current - Output: 3A
• Frequency - Switching: 300kHz
• Voltage - Input: 3 ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 10-MSOP, Micro10™, 10-uMAX, 10-uSOP
• Power - Output: 444mW
• Duty Cycle (max): 89 %
• Output Voltage: 0.4 V to 4.73 V
• Output Current: 3000 mA
• Mounting Style: SMD/SMT
• Switching Frequency: 300 KHz
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Synchronous Pin: No
• Topology: Boost, Buck
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are
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.
implied. Maxim reserves the right to change the circuitry and specifications without notice at any time.
22
22 ____________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600
© 2002 Maxim Integrated Products
© 2002 Maxim Integrated Products
(The package drawing(s) in this data sheet may not reflect the most current specifications. For the latest package outline information,
go to www.maxim-ic.com/packages.)
Low-Cost, High-Frequency, Current-Mode PWM
Buck Controller
____________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600
0.6±0.1
A2
10
1
e
FRONT VIEW
TOP VIEW
0.6±0.1
ÿ 0.50±0.1
D2
D1
b
A1
4X S
H
A
Printed USA
Printed USA
GAGE PLANE
BOTTOM VIEW
SIDE VIEW
E2
E1
10
1
is a registered trademark of Maxim Integrated Products.
is a registered trademark of Maxim Integrated Products.
L1
L
TITLE:
APPROVAL
PROPRIETARY INFORMATION
DIM
PACKAGE OUTLINE, 10L uMAX/uSOP
A
A1
A2
D1
D2
E1
E2
H
L
L1
b
e
S
c
c
Package Information
0.0157
0.0035
0.007
0.002
0.030
0.116
0.114
0.116
0.114
0.187
MIN
0.0197 BSC
0.037 REF
-
0.0196 REF
0∞
INCHES
DOCUMENT CONTROL NO.
0.0275
0.0106
0.0078
MAX
0.043
0.006
0.037
0.120
0.118
0.120
0.118
0.199
6∞
21-0061
MILLIMETERS
0.177
0.090
0.05
0.75
2.95
2.89
2.95
2.89
4.75
0.40
MIN
0.500 BSC
-
0.498 REF
0∞
0.940 REF
5.05
0.270
0.200
1.10
0.15
0.95
3.05
3.00
3.05
3.00
0.70
MAX
6∞
REV.
I
1
1