参数资料
型号: MAX15026CATD+T
厂商: Maxim Integrated Products
文件页数: 19/23页
文件大小: 0K
描述: IC REG CTRLR BUCK PWM VM 14TDFN
产品培训模块: Obsolescence Mitigation Program
标准包装: 2,500
PWM 型: 电压模式
输出数: 1
频率 - 最大: 2.4MHz
占空比: 88%
电源电压: 4.5 V ~ 28 V
降压:
升压:
回扫:
反相:
倍增器:
除法器:
Cuk:
隔离:
工作温度: -40°C ~ 125°C
封装/外壳: 14-WFDFN 裸露焊盘
包装: 带卷 (TR)
MAX15026
Low-Cost, Small, 4.5V to 28V Wide Operating
Range, DC-DC Synchronous Buck Controller
Typical Application Circuits
Single 4.5V to 28V Supply Operation
Figure 5 shows an application circuit for a single 4.5V to 28V power-supply operation.
4.5V TO 28V
V IN
PANASONIC
EEEFCIE331P
C1
330 μ F
(
IN
DH
ON-SEMICONDUCTOR
Q1 NTMFS4835NTIG
)
PGOOD
V CC
PGOOD
MAX15026
LX
BST
C3
0.47 μ F
L1
1.4 μ H
C4
470 μ F
COILCRAFT
MSS1278-142ML
C5
22 μ F
V OUT
LIM
DL
Q2
SANYO
4C54701
R1*
ENABLE
EN
DRV
( NTMFS4835NTIG
COMP
GND
C6
2.2 μ F
ON-SEMICONDUCTOR
)
C7
68pF
R3
4.02k ?
C8
68pF
FB
RT
R4
27k ?
C9
R1
11.8k ?
C10
4.7 μ F
0.022 μ F
R5
10k ?
R6
15.4k ?
R7
4.02k ?
C11
1500pF
*R1 IS A SMALL-VALUE RESISTOR TO DECOUPLE
SWITCHING TRANSIENTS CAUSED BY THE
MOSFET DRIVER (2.2 ? ).
Figure 5. V IN = 4.5V to 28V
Maxim Integrated
19
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