参数资料
型号: MAX5090CATE/V+T
厂商: Maxim Integrated Products
文件页数: 14/17页
文件大小: 0K
描述: IC REG BUCK ADJ 2A 16WQFN
产品变化通告: Product Discontinuation 28/Nov/2011
标准包装: 2,500
类型: 降压(降压)
输出类型: 可调式
输出数: 1
输出电压: 1.27 V ~ 11 V
输入电压: 6.5 V ~ 76 V
PWM 型: 电压模式
频率 - 开关: 127kHz
电流 - 输出: 2A
同步整流器:
工作温度: -40°C ~ 125°C
安装类型: 表面贴装
封装/外壳: 16-WQFN 裸露焊盘
包装: 带卷 (TR)
供应商设备封装: 16-TQFN-EP(5x5)
2A, 76V, High-Efficiency MAXPower Step-Down
DC-DC Converters
Application Circuit
V IN
R IN
C IN
C BYPASS
R1
V IN
DRAIN
L1
V OUT
LX
R2
ON/OFF
MAX5090B
BST
FB
C BST
D1
C OUT
SYNC
SGND
PGND
SS
VD
3.3 μ F
C SS
Figure 4. Fixed Output Voltage
Table 2. Typical External Components Selection (Circuit of Figure 4)
V IN (V)
V OUT (V)
I OUT (A)
EXTERNAL COMPONENTS
MAX5090AATE
C IN = 2 x 68μF/100V EEVFK2A680Q, Panasonic
C BYPASS = 0.47μF/100V, GRM21BR72A474KA, Murata
C OUT = 220μF/6.3V 6SVP220MX, Sanyo
6.5 to 76
3.3
2
C BST = 0.22μF/16V, GRM188R71C224K, Murata
R1 = 0 ?
R2 = Open
R IN = 10 ? , ±1% (0603)
D1 = PDS5100H, Diodes Inc.
L1 = 47μH, DO5022P-473
MAX5090BATE
C IN = 2 x 68μF/100V EEVFK2A680Q, Panasonic
C BYPASS = 0.47μF/100V, GRM21BR72A474KA, Murata
C OUT = 100μF/6.3V 6SVP100M, Sanyo
7.5 to 76
5
2
C BST = 0.22μF/16V, GRM188R71C224K, Murata
R1 = 0 ?
R2 = Open
R IN = 10 ? , ±1% (0603)
D1 = PDS5100H, Diodes Inc.
L1 = 47μH, DO5022P-473
14
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