參數(shù)資料
型號(hào): MAX799MJE
廠商: MAXIM INTEGRATED PRODUCTS INC
元件分類(lèi): 穩(wěn)壓器
英文描述: Step-Down Controllers with Synchronous Rectifier for CPU Power
中文描述: SWITCHING CONTROLLER, 350 kHz SWITCHING FREQ-MAX, DIP16
封裝: CERAMIC, DIP-16
文件頁(yè)數(shù): 14/32頁(yè)
文件大?。?/td> 319K
代理商: MAX799MJE
M
S tep-Down Controllers with
S ync hronous Rec tifier for CPU Power
14
______________________________________________________________________________________
SHOOT-
THROUGH
CONTROL
R
Q
30mV
R
Q
LEVEL
SHIFT
1
μ
s
SINGLE-SHOT
1X
MAIN PWM
COMPARATOR
OSC
LEVEL
SHIFT
CURRENT
LIMIT
VL
24R
1R
2.5V
4
μ
A
SYNCHRONOUS
RECTIFIER CONTROL
REF
SS
SHDN
–100mV
NOTE 1
CSH
CSL
FROM
FEEDBACK
DIVIDER
BST
DH
LX
VL
DL
PGND
S
S
SLOPE COMP
N
SKIP
(MAX797
ONLY)
REF (MAX796)
GND (MAX799)
MAX796, MAX799 ONLY
SECFB
NOTE 1: COMPARATOR INPUT POLARITIES
ARE REVERSED FOR THE MAX799.
Figure 3. PWM Controller Detailed Block Diagram
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