MAX797ESE/GG8 Maxim Integrated Products, MAX797ESE/GG8 Datasheet - Page 14

• Manufacturer Part Number: MAX797ESE/GG8
• Description: DC/DC Switching Converters Step-Down Controller for CPU Power
• Manufacturer: Maxim Integrated Products

Specifications of MAX797ESE/GG8

• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

Step-Down Controllers with
Synchronous Rectifier for CPU Power
Figure 3. PWM Controller Detailed Block Diagram
14
(MAX797
–100mV
SECFB
ONLY)
SHDN
SKIP
______________________________________________________________________________________
SS
GND (MAX799)
REF (MAX796)
30mV
REF
4µA
NOTE 1
SLOPE COMP
N
2.5V
MAIN PWM
COMPARATOR
SINGLE-SHOT
24R
1R
RECTIFIER CONTROL
MAX796, MAX799 ONLY
1µs
SYNCHRONOUS
VL
R
S
Q
CURRENT
LIMIT
1X
R
S
Q
NOTE 1: COMPARATOR INPUT POLARITIES
OSC
ARE REVERSED FOR THE MAX799.
THROUGH
CONTROL
SHOOT-
LEVEL
SHIFT
LEVEL
SHIFT
CSH
CSL
FROM
FEEDBACK
DIVIDER
BST
DH
LX
VL
DL
PGND