參數資料
型號： MAX799MJE
廠商： MAXIM INTEGRATED PRODUCTS INC
元件分類： 穩(wěn)壓器
英文描述： Step-Down Controllers with Synchronous Rectifier for CPU Power
中文描述： SWITCHING CONTROLLER, 350 kHz SWITCHING FREQ-MAX, DIP16
封裝： CERAMIC, DIP-16
文件頁數： 11/32頁
文件大?。?/td> 319K
代理商： MAX799MJE
M
S tep-Down Controllers with
S ync hronous Rec tifier for CPU Power
______________________________________________________________________________________
11
Table 1. Component Selection for Standard 3.3V Applications
Table 2. Component Suppliers
* Distributor
losses due to MOSFET gate charge. The step-down
power-switching circuit consists of two N-channel
MOSFETs, a rectifier, and an LC output filter. The out-
put voltage is the average of the AC voltage at the
switching node, which is adjusted and regulated by
changing the duty cycle of the MOSFET switches. The
gate-drive signal to the N-channel high-side MOSFET
must exceed the battery voltage and is provided by a
flying capacitor boost circuit that uses a 100nF capaci-
tor connected to BST.
The MAX796 contains nine major circuit blocks, which
are shown in Figure 2.
[1] 714-960-6492
[1] 602-994-6430
(714) 969-2491
(602) 303-5454
Matsuo
Motorola
[1] 512-992-3377
[1] 864-963-6521
(512) 992-7900
(864) 963-6300
IRC
Kemet
[1] 310-322-3332
(310) 322-3331
International Rectifier
[1] 605-665-1627
(605) 668-4131
Dale
[1] 561-241-9339
(561) 241-7876
Coiltronics
[1] 847-639-1469
(847) 639-6400
Coilcraft
[1] 516-435-1824
(516) 435-1110
Central Semiconductor
[1] 803-626-3123
(803) 946-0690
AVX
FACTORY FAX
[Country Code]
USA PHONE
MANUFACTURER
1.5μH, 11A, 3.5m
Coiltronics
CTX03-12357-1
4.7μH, 5.5A Ferrite
Coilcraft DO3316-472
10μH, 3A Ferrite
Sumida CDRH125
33μH, 2.2A Ferrite
Dale LPE6562-330MB
47μH, 1.2A Ferrite or
Kool-Mu
Sumida CD75-470
L1 Inductor
3 x 0.02
IRC
LR2010-01-R020
(3 in parallel)
0.015
IRC
LR2010-01-015
0.025
IRC
LR2010-01-R025
0.039
IRC
LR2010-01-R039
0.062
IRC
LR2010-01-R062
R1 Resistor
1N5820 NIEC
NSQ03A02, or
Motorola MBRS340T3
1N5821 NIEC
NSQ03A04 or
Motorola MBRS340T3
1N5819 NIEC
EC10QS03 or
Motorola MBRS130T3
1N5817 NIEC
EC10QS02L or
Motorola MBRS130T3
1N5817 Motorola
MBR0502L SOD-89
D1 Rectifier
4 x 220μF, 10V
Sanyo OS-CON
10SA220M
3 x 220μF, 10V AVX
TPS or Sprague 595D
220μF, 10V AVX TPS
or Sprague 595D
150μF, 10V AVX TPS
or Sprague 595D
150μF, 10V AVX TPS
or Sprague 595D
C2 Output
Capacitor
2 x 220μF, 10V
Sanyo OS-CON
10SA220M
4 x 22μF, 35V AVX
TPS or Sprague 595D
2 x 22μF, 35V AVX
TPS or Sprague 595D
2 x 22μF, 35V AVX
TPS or Sprague 595D
22μF, 35V AVX TPS
or Sprague 595D
C1 Input
Capacitor
Motorola
MTD75N03HDL
D
2
PAK
Motorola
MTD20N03HDL
DPAK
Motorola
MMSF5N03HD or
Si9410
Motorola 1/2
MMDF3N03HD or 1/2
Si9936
International Rectifier
1/2 IRF7101
Q2 Low-Side
MOSFET
Motorola
MTD75N03HDL
D
2
PAK
Motorola
MTD20N03HDL
DPAK
Motorola
MMSF5N03HD or
Si9410
Motorola 1/2
MMDF3N03HD or 1/2
Si9936
International Rectifier
1/2 IRF7101
Q1 High-Side
MOSFET
4.5V to 6V
Desktop 5V-to-3V
4.75V to 24V
High-End Notebook
4.75V to 28V
Notebook
4.75V to 18V
Sub-Notebook
4.75V to 18V
PDA
Input Range
Application
{1} 847-390-4405
[1] 702-831-3521
(847) 390-4461
(702) 831-0140
TDK
Transpower Technologies
[81] 3-3607-5144
(847) 956-0666
Sumida
[1] 603-224-1430
(603) 224-1961
Sprague
[1] 408-970-3950
(408) 988-8000
(800) 554-5565
Siliconix
[81] 7-2070-1174
(619) 661-6835
Sanyo
[81] 3-3494-7414
(805) 867-2555*
NIEC
[1] 814-238-0490
(814) 237-1431
(800) 831-9172
Murata-Erie
FACTORY FAX
[Country Code]
USA PHONE
MANUFACTURER
LOAD CURRENT
3A
10A
4A
2A
1A
COMPONENT
300kHz
300kHz
300kHz
300kHz
150kHz
Frequency
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