MAX1966 データシートの表示（PDF） - Maxim Integrated
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MAX1966 Datasheet PDF : 15 Pages
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Low-Cost Voltage-Mode PWM
Step-Down Controllers
TEMPERATURE
ERROR
SHUTDOWN
VIN
COMPARATOR
RAMP
BST
GENERATOR
DH
COMP/EN
FB
ERROR
AMPLIFIER
CONTROL
LOGIC
LX
DL
GND
800mV
REF SOFT-START
100kHZ
CLOCK
GENERATOR
MAX1966
-305mV
CURRENT-LIMIT
COMPARATOR
VIN
5V LINEAR
VL
REGULATOR
RAMP
GENERATOR
COMP/EN
FB
ERROR
AMPLIFIER
INTERNAL
VCC CHIP
SUPPLY
800mV
REF
SOFT-START
TEMPERATURE
ERROR
SHUTDOWN
COMPARATOR
CONTROL
LOGIC
BST
DH
LX
DL
GND
-305mV
100kHZ
CLOCK
GENERATOR
MAX1967
CURRENT-LIMIT
COMPARATOR
Figure 1. MAX1966 Functional Diagram
Figure 2. MAX1967 Functional Diagram
2.7V TO
5.5V INPUT
C7
D1 C1
C2
VIN
BST
R3
C6
DH
MAX1966
LX
COMP/EN DL
N1
L1
C5
N2
VOUT
C3 C4
GND
FB
R1
R2
5V TO
28V INPUT
VIN
VL
VCC
R4
BST
DH
10Ω
MAX1967
C7
D1
C1
N1
L1
C5
LX
R3
10Ω
COMP/EN DL
N2
C6
C2
VOUT
C3 C4
GND
FB
R1
R2
SEE TABLE 1 FOR COMPONENT VALUES.
SEE TABLE 1 FOR COMPONENT VALUES.
Figure 3. MAX1966 Typical Application
Figure 4. MAX1967 Typical Application
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