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| 型号： | LT3693IMSE#PBF |
| 厂商： | Linear Technology |
| 文件页数： | 12/24页 |
| 文件大小： | 0K |
| 描述： | IC REG BUCK ADJ 3.5A 10MSOP |
| 标准包装： | 50 |
| 类型： | 降压（降压） |
| 输出类型： | 可调式 |
| 输出数： | 1 |
| 输出电压： | 0.79 V ~ 30 V |
| 输入电压： | 3.6 V ~ 36 V |
| PWM 型： | 电流模式 |
| 频率 - 开关： | 200kHz ~ 2.45MHz |
| 电流 - 输出： | 3.5A |
| 同步整流器： | 无 |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 10-TFSOP，10-MSOP（0.118"，3.00mm 宽）裸露焊盘 |
| 包装： | 管件 |
| 供应商设备封装： | 10-MSOP 裸露焊盘 |
| 产品目录页面： | 1332 (CN2011-ZH PDF) |
LT3693
APPLICATIONS INFORMATION
Table 2. Capacitor Vendors
VENDOR
Panasonic
PHONE
(714) 373-7366
URL
www.panasonic.com
PART SERIES
Ceramic,
COMMANDS
Polymer,
Tantalum
EEF Series
Kemet
Sanyo
(864) 963-6300
(408) 749-9714
www.kemet.com
www.sanyovideo.com
Ceramic,
Tantalum
Ceramic,
Polymer,
T494, T495
POSCAP
Tantalum
Murata
AVX
Taiyo Yuden
(408) 436-1300
(864) 963-6300
www.murata.com
www.avxcorp.com
www.taiyo-yuden.com
Ceramic
Ceramic,
Tantalum
Ceramic
TPS Series
When choosing a capacitor, look carefully through the
data sheet to ?nd out what the actual capacitance is under
operating conditions (applied voltage and temperature).
A physically larger capacitor, or one with a higher volt-
age rating, may be required. High performance tantalum
or electrolytic capacitors can be used for the output
capacitor. Low ESR is important, so choose one that is
intended for use in switching regulators. The ESR should
where I OUT is the output load current. The only reason to
consider a diode with a larger current rating than necessary
for nominal operation is for the worst-case condition of
shorted output. The diode current will then increase to the
typical peak switch current. Peak reverse voltage is equal
to the regulator input voltage. Use a schottky diode with a
reverse voltage rating greater than the input voltage. Table
3 lists several Schottky diodes and their manufacturers.
be speci?ed by the supplier, and should be 0.05 or less.
Such a capacitor will be larger than a ceramic capacitor
and will have a larger capacitance, because the capacitor
must be large to achieve low ESR. Table 2 lists several
capacitor vendors.
Catch Diode
The catch diode conducts current only during switch off
Table 3. Diode Vendors
PART NUMBER
On Semiconductor
MBRA340
Diodes Inc.
PDS340
B340A
B340LA
V R
(V)
40
40
40
40
I AVE
(A)
3
3
3
3
V F AT 3A
(mV)
500
500
500
450
time. Average forward current in normal operation can be
calculated from:
I D(AVG) = I OUT (V IN – V OUT )/V IN
3693f
12
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| LT3693IMSE-TRPBF | 制造商:LINER 制造商全称:Linear Technology 功能描述:36V, 3.5A, 2.4MHz Step-Down Switching Regulator |
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