MAX1639ESE-T Maxim Integrated Products, MAX1639ESE-T Datasheet - Page 8

• Manufacturer Part Number: MAX1639ESE-T
• Description: DC/DC Switching Controllers
• Manufacturer: Maxim Integrated Products

Specifications of MAX1639ESE-T

• Number Of Outputs: 1
• Output Voltage: 1.1 V to 4.5 V
• Input Voltage: 4.5 V to 5.5 V
• Mounting Style: SMD/SMT
• Package / Case: SOIC-16
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

High-Speed Step-Down Controller with
Synchronous Rectification for CPU Power
8
Figure 2. Simplified Block Diagram
_______________________________________________________________________________________
AGND
FREQ
CC1
CC2
V
CC
REF
gm
FB
REF1
40k
OSCILLATOR
MAX1639
10k
24R
11R
COMPENSATION
SLOPE
REF
REF1
REF2
REF
WINDOW
N
PWROK
SET
RESET
REF2
CONTROL AND
DRIVE LOGIC
Q
Q
+
-
CSL
CSH
BST
DH
LX
V
DL
PGND
DD