参数资料
型号: MIC2182YSM
厂商: Micrel Inc
文件页数: 21/28页
文件大小: 0K
描述: IC REG CTRLR BUCK PWM CM 16-SSOP
标准包装: 77
PWM 型: 电流模式
输出数: 1
频率 - 最大: 330kHz
占空比: 86%
电源电压: 4.5 V ~ 32 V
降压:
升压:
回扫:
反相:
倍增器:
除法器:
Cuk:
隔离:
工作温度: -40°C ~ 85°C
封装/外壳: 16-SSOP(0.209",5.30mm 宽)
包装: 管件
产品目录页面: 1092 (CN2011-ZH PDF)
其它名称: 576-1069
MIC2182
Predesigned Circuits
A single schematic diagram, shown in Figure 14, can be used
to build power supplies ranging from 3A to 10A at the common
output voltages of 1.8V, 2.5V, 3.3V, and 5V. Components that
vary, depending upon output current and voltage, are listed
in the accompanying Tables 3 through 6.
Micrel
Power supplies larger than 10A can also be constructed
using the MIC2182 using larger power-handling compo-
nents.
The “ Power Supply Operating Characteristics ” graphs follow-
ing the component and vendor tables provide useful informa-
tion about the actual performance of some of these circuits.
V IN
R7
100k
C5
0.1 μ F
MIC2182
VIN VDD
BST
EN/UVLO HSD
PWM VSW
D2
SD103BWS
C6
0.1 μ F
C9
4.7 μ F
16V
C11
(table)
Q2
(table)
L1
(table)
R2
(table)
V OUT
C4
1nF
SS
LSD
PGND
Q1
(table)
D1
(table)
C7
(table)
C12
0.1 μ F
50V
GND
COMP
CSH
C3
0.1 μ F
R1
2k
SYNC
VOUT
C13, 1nF
GND
C2
2.2nF
VREF
SGND
C1
0.1 μ F
50V
Figure 14. Basic Circuit Diagram for Use with Tables 3 through 6
S p e c i f i c a t i o n
S w i t c h i n g f r e q u e n c y r i p p l e
M a x i m u m a m b i e n t t e m p e r a t u r e
S h o r t - c i r c u i t c a p a b i l i t y
S w i t c h i n g f r e q u e n c y
L i m i t
1 % o f o u t p u t v o l t a g e
8 5 ° C
C o n t i n u o u s
3 0 0 k H z
Table 1. Specifications for Figure 14 and Tables 3 through 6
April 22, 2004
Manufacturer
AVX
Central Semiconductor
Coiltronics
IRC
IR
Micrel
Vishay/Lite On
(diodes)
Vishay/Siliconix
(MOSFETs)
Vishay/Dale
(inductors and resistors)
Sumida
Telephone Number (USA)
(803) 946-0690
(516) 435-1110
(561) 241-7876
(704) 264-8861
(310) 322-3331
(408) 944-0800
(805) 446-4800
(800) 554-5665
(800) 487-9437
(847) 956-0666
Table 2. Component Suppliers
21
Web Address
M9999-042204
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