MAX1953EUB+ Maxim Integrated Products, MAX1953EUB+ Datasheet - Page 21

• Manufacturer Part Number: MAX1953EUB+
• Description: IC CNTRLR PWM BUCK 10-UMAX
• Manufacturer: Maxim Integrated Products
• Type: Step-Down (Buck)r

Specifications of MAX1953EUB+

• Internal Switch(s): No
• Synchronous Rectifier: Yes
• Number Of Outputs: 1
• Voltage - Output: 0.8 ~ 4.73 V
• Current - Output: 10A
• Frequency - Switching: 1MHz
• 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
• Output Voltage: 0.8 V
• Input Voltage: 3 V to 5.5 V
• Supply Current: 1 mA
• Switching Frequency: 1 MHz
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Duty Cycle (max): 89 %
• Output Current: 4000 mA
• Mounting Style: SMD/SMT
• Synchronous Pin: No
• Topology: Boost, Buck
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Low-Cost, High-Frequency, Current-Mode PWM
TOP VIEW
______________________________________________________________________________________
COMP
GND
HSD
FB
IN
1
2
3
4
5
MAX1954EUB
MAX
10
9
8
7
6
BST
LX
DH
PGND
DL
Pin Configurations (continued)
COMP
REFIN
GND
FB
IN
1
2
3
4
5
Buck Controller
MAX1957EUB
MAX
10
9
8
7
6
BST
LX
DH
PGND
DL
21