參數(shù)資料
型號: MAX796
廠商: Maxim Integrated Products, Inc.
英文描述: Step-Down Controllers with Synchronous Rectifier for CPU Power(3.3V/5V/可調(diào),帶有同步整流器的PWM步降控制器,用于筆記本電腦)
中文描述: 同步整流降壓型控制器,用于CPU電源
文件頁數(shù): 26/32頁
文件大?。?/td> 395K
代理商: MAX796
M
S tep-Down Controllers with
S ync hronous Rec tifier for CPU Power
26
______________________________________________________________________________________
MAX796
CSL
CSH
SECFB
GND
4
REF
FB
SYNC
V+
VL
10
2
11
3
5
14
Q1
T1 = TDK 1:1.5 TRANSFORMER
PC40EEM 12.7/13.7 - A160 CORE
BEM 12.7/13.7 BOBBIN
PRIMARY = 8 TURNS 24 AWG
SECONDARY = 12 TURNS 24 AWG
DESIGN FOR TIGHT MAGNETIC COUPLING
Q1-Q2 = Si9410 or EQUIVALENT
Q3 = Si9955 or EQUIVALENT (50V)
Q2
Q3
16
15
13
1N4148
1N5819
MBR0502L
1N5817
12
8
9
7
V
IN
(8V TO18V AS SHOWN)
+5V
500 AT
+3.3V
AT 2A
BST
DH
LX
DL
6
ON/OFF
1
PGND
SHDN
SS
0.33
μ
F
4.7
μ
F
47
μ
F
330
μ
F
0.1
μ
F
33
μ
F, 35V
10
μ
H
25m
1T1
100k, 1%
11%
49.9k
1%
33.2k
1%
102k, 1%
0.01
μ
F
(OPTIONAL)
Figure 12. +3.3V/+5V Dual-Output Application (MAX796)
MAX799
CSL
CSH
VL
SS
GND
4
REF
SECFB
10
3
2
11
1
14
1/2
Si9936
1/2 Si9936
EQ11FS1
T1 = TRANSPOWER TTI5926
16
15
13
1N4148
1N5819
12
8
9
FB
7
V
IN
(9V TO18V)
-5.5V OUT
+5V OUT
BST
V+
DH
LX
DL
6
5
ON/OFF
PGND
SHDN
SYNC
0.01
μ
F
(OPTIONAL)
220
μ
F
10V
0.1
μ
F
22
μ
F, 35V
1
μ
F
22
μ
F
10V
50m
T1
15
μ
H
1:1.3
221k, 1%
1000pF
107k, 1%
4.7
μ
F
Figure 13. ±5V Dual-Output Application (MAX799)
____________________________________________Applic ation Circ uits (c ontinued)
相關PDF資料
PDF描述
MAX797 Step-Down Controllers with Synchronous Rectifier for CPU Power(3.3V/5V/可調(diào),帶有同步整流器的PWM步降控制器,用于筆記本電腦)
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MAX796C/D 功能描述:DC/DC 開關控制器 DICE SALES DICE RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風格: 封裝 / 箱體:CPAK
MAX796CPE 功能描述:DC/DC 開關控制器 RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風格: 封裝 / 箱體:CPAK
MAX796CSE 功能描述:DC/DC 開關控制器 RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風格: 封裝 / 箱體:CPAK
MAX796CSE-T 功能描述:DC/DC 開關控制器 RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風格: 封裝 / 箱體:CPAK
MAX796EPE 功能描述:DC/DC 開關控制器 RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風格: 封裝 / 箱體:CPAK