参数资料
型号: MAX1951ESA+TW
厂商: Maxim Integrated Products
文件页数: 14/15页
文件大小: 0K
描述: IC REG BUCK SYNC ADJ 2A 8SOIC
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
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: 0.8 V ~ 5.5 V
输入电压: 2.6 V ~ 5.5 V
PWM 型: 电流模式
频率 - 开关: 1MHz
电流 - 输出: 2A
同步整流器:
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 8-SOIC(0.154",3.90mm 宽)
包装: 带卷 (TR)
供应商设备封装: 8-SOIC
1MHz, All-Ceramic, 2.6V to 5.5V Input,
2A PWM Step-Down DC-to-DC Regulators
Table 2. External Components List
COMPONENT (FIGURE 2)
L1
C1
C2
C3
C4
C5
R1
R2
R3
R4
R5
Q1
FUNCTION
Output inductor
Input filtering capacitor
Compensation capacitor
Reference bypass capacitor
Output filtering capacitor
V CC bypass capacitor
Loop compensation resistor
Feedback resistor
Feedback resistor
Bypass resistor
Shutdown transistor base current bias (optional)
Shutdown transistor (optional)
DESCRIPTION
2μH ±20% inductor
Sumida CDRH4D28-1R8 or
Toko A915AY-2R0M
10μF ±20%, 6.3V X5R capacitor
Taiyo Yuden JMK316BJ106ML or
TDK C3216X5R0J106MT
220pF ±10%, 50V capacitor
Murata GRM39X7R221K050AD or
Taiyo Yuden UMK107CH221KZ
0.1μF ±20%, 16V X7R capacitor
Taiyo Yuden EMK107BJ104MA,
TDK C1608X7R1C104K, or
Murata GRM 39X7R104K016AD
10μF ±20%, 6.3V X5R capacitor
Taiyo Yuden JMK316BJ106ML or
TDK C3216X5R0J106MT
0.1μF ±20%, 16V X7R capacitor
Taiyo Yuden EMK107BJ104MA,
TDK C1608X7R1C104K, or
Murata GRM 39X7R104K016AD
Figure 2a
Figure 2a
Figure 2a
10 Ω ±5% resistor
10k Ω ±5% resistor
NPN bipolar junction transistor
Fairchild MMBT3904
Zetex FMMT413
Table 3. Component Suppliers
Chip Information
MANUFACTURER
Murata
Sumida
Taiyo Yuden
TDK
Toko
PHONE
650-964-6321
847-545-6700
800-348-2496
847-803-6100
1-800-PIK-TOKO
FAX
650-964-8165
847-545-6720
847-925-0899
847-803-6296
408-943-9790
PROCESS: BiCMOS
Package Information
For the latest package outline information and land patterns, go
to www.maxim-ic.com/packages . Note that a “+”, “#”, or “-” in
the package code indicates RoHS status only. Package draw-
ings may show a different suffix character, but the drawing per-
tains to the package regardless of RoHS status.
PACKAGE TYPE
8 SO
PACKAGE CODE
S8-F6
DOCUMENT NO.
14
______________________________________________________________________________________
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