MAX1945SEUI+T Maxim Integrated Products, MAX1945SEUI+T Datasheet - Page 18

• Manufacturer Part Number: MAX1945SEUI+T
• Description: IC REG STP DWN 6A 28-TSSOP
• Manufacturer: Maxim Integrated Products
• Type: Step-Down (Buck)r

Specifications of MAX1945SEUI+T

• Internal Switch(s): Yes
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Voltage - Output: 1.8V, 2.5V, Adj
• Current - Output: 6A
• Frequency - Switching: 1MHz
• Voltage - Input: 2.6 ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 28-TSSOP Exposed Pad, 28-eTSSOP, 28-HTSSOP
• Power - Output: 1.19W
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

1MHz, 1% Accurate, 6A Internal Switch
Step-Down Regulators
18
______________________________________________________________________________________
IN
BST
SYNCOUT
SYNC
CTL1
CTL2
V
GND
COMP
FB
FBSEL
CC
TOP VIEW
COMP
GND
BST
V
V
REF
DD
LX
LX
LX
LX
CC
IN
IN
IN
IN
10
11
12
13
14
1
2
3
4
5
6
7
8
9
28 TSSOP-EP
MAX1945R
MAX1945S
AC DETECT
FB
REFERENCE
CONTROL
Pin Configuration
28
27
26
25
24
23
22
21
20
19
18
17
16
15
CTL2
CTL1
LX
PGND
LX
PGND
LX
PGND
LX
PGND
SYNCOUT
SYNC
FBSEL
FB
EAMP
OSCILLATOR
8 BIT DAC
COUNT
(8 BIT)
8
2X
CONTROL
LOGIC
PWM
3R
2R
Functional Diagram
MAX1945R
MAX1945S
N
N
PGND
V
REF
LX
DD