參數(shù)資料
型號(hào): MAX1977EEI
廠商: MAXIM INTEGRATED PRODUCTS INC
元件分類: 穩(wěn)壓器
英文描述: High-Efficiency, Quad Output, Main Power- Supply Controllers for Notebook Computers
中文描述: DUAL SWITCHING CONTROLLER, 500 kHz SWITCHING FREQ-MAX, PDSO28
封裝: 0.150 INCH, 0.025 INCH PITCH, QSOP-28
文件頁數(shù): 15/32頁
文件大?。?/td> 497K
代理商: MAX1977EEI
M
High-Effic ienc y, Quad Output, Main Power-
S upply Controllers for Notebook Computers
______________________________________________________________________________________
15
*OPTIONAL CAPACITANCE BETWEEN
LX AND PGND (CLOSE TOTHE IC) ONLY
REQUIRED FOR ULTRASONIC MODE
MAX1999
V
IN
7V TO24V
10
μ
F
4.7
μ
F
1/2
D1
0.1
μ
F
0.1
μ
F
N1
FDS6612A
L5
5V
C5
D3
EP10QY03
N2
IRF7811AV
ON
OFF
V
CC
REF
0.22
μ
F
4.7
μ
F
3.3V ALWAYS ON
1M
100k
V
CC
50
1
μ
F
5V ALWAYS ON
4.7
μ
F
10
μ
F
1
μ
F
10
μ
F
1/2
D1
CMPSH-3A
0.1
μ
F
N3
FDS6612A
L3
3.3V
C3
D2
EP10QY03
N4
IRF7811AV
LDO5
ILIM3
V
CC
V+
BST5
DH5
LX5
DL5
OUT5
FB5
PGOOD
FB3
OUT3
DL3
TON
LX3
DH3
BST3
ILIM5
ON5
ON3
GND
SHDN
REF
LDO3
PRO
SKIP
400kHz/500kHz
TON = GND
200kHz/300kHz
TON = V
CC
5V/3.3V SMPS
SWITCHING FREQUENCY
L3
L5
C3
C5
4.7
μ
H
7.6
μ
H
470
μ
F
330
μ
F
3.0
μ
H
5.6
μ
H
220
μ
F
150
μ
F
FREQUENCY-DEPENDENT COMPONENTS
4
SEE
TABLE
10
470pF*
10
470pF*
Figure 2. MAX1999 Typical Application Circuit
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX1977EEI+ 功能描述:DC/DC 開關(guān)控制器 Quad Out Main Power Supply Controller RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)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(fēng)格: 封裝 / 箱體:CPAK
MAX1977EEI+T 功能描述:DC/DC 開關(guān)控制器 Quad Out Main Power Supply Controller RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)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(fēng)格: 封裝 / 箱體:CPAK
MAX1977EEI-T 功能描述:DC/DC 開關(guān)控制器 RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)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(fēng)格: 封裝 / 箱體:CPAK
MAX1977EEI-TG068 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述:
MAX1978ETM 功能描述:電壓模式 PWM 控制器 RoHS:否 制造商:Texas Instruments 輸出端數(shù)量:1 拓?fù)浣Y(jié)構(gòu):Buck 輸出電壓:34 V 輸出電流: 開關(guān)頻率: 工作電源電壓:4.5 V to 5.5 V 電源電流:600 uA 最大工作溫度:+ 125 C 最小工作溫度:- 40 C 封裝 / 箱體:WSON-8 封裝:Reel