参数资料
型号: MAX757ESA+T
厂商: Maxim Integrated Products
文件页数: 7/9页
文件大小: 0K
描述: IC REG BOOST ADJ 0.3A 8SOIC
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 2,500
类型: 升压(升压)
输出类型: 可调式
输出数: 1
输出电压: 2.7 V ~ 5.5 V
输入电压: 0.7 V ~ 5.5 V
频率 - 开关: 500kHz
电流 - 输出: 300mA
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
MAX756/MAX757
3.3V/5V/Adjustable-Output,
Step-Up DC-DC Converters
Rectifier Diode
The ESR of both bypass and filter capacitors affects
efficiency. Best performance is obtained by using spe-
cialized low-ESR capacitors, or connecting two or more
filter capacitors in parallel. The smallest low-ESR SMT
tantalum capacitors currently available are Sprague
595D series, which are about half the size of competing
products. Sanyo OS-CON organic semiconductor
through-hole capacitors also exhibit very low ESR, and
are especially useful for operation at cold tempera-
For optimum performance, a switching Schottky diode,
such as the 1N5817, is recommended. 1N5817 equiv-
alent diodes are also available in surface-mount pack-
ages from Collmer Semiconductor in Dallas, TX, phone
(214) 233-1589. The part numbers are SE014 or
SE024. For low output power applications, a pn junc-
tion switching diode, such as the 1N4148, will also
work well, although efficiency will suffer due to the
greater forward voltage drop of the pn junction diode.
tures. Table 1 lists suggested capacitor suppliers.
V IN
MINIMUM
OFF-TIME
Q
TRIG
ONE-SHOT
SHDN
ONE-SHOT
S
F/F
Q
N
LX
V OUT
3/5
MAXIMUM
R
GND
ON-TIME
ONE-SHOT
TRIG
Q
LBO
LBI
Figure 2. MAX756 Block Diagram
Maxim Integrated
ONE-SHOT
N
MAX756
REFERENCE
OUT
REF
7
相关PDF资料
PDF描述
UVK2D2R2MED CAP ALUM 2.2UF 200V 20% RADIAL
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MAX756ESA+T IC REG BOOST 3.3V/5V 0.3A 8SOIC
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