參數(shù)資料
型號: 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): 11/32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
______________________________________________________________________________________
11
0
4A
1A
5V
MAX1977/MAX1999 (TON = GND)
5V PWM-MODE
LOAD TRANSIENT RESPONSE
10
μ
s/div
V
OUT
,
AC-
COUPLED
100mV/div
INDUCTOR
CURRENT
2A/div
DL5
5V/div
5V
0
4A
1A
3.3V
MAX1777/MAX1999 (TON = V
CC
)
3.3V PWM-MODE
LOAD TRANSIENT RESPONSE
20
μ
s/div
V
OUT
,
AC-
COUPLED
100mV/div
INDUCTOR
CURRENT
2A/div
DL3
5V/div
5V
0
4A
1A
3.3V
MAX1977/MAX1999 (TON = GND)
3.3V PWM-MODE
LOAD TRANSIENT RESPONSE
MAX1777 toc30
10
μ
s/div
V
OUT
,
AC-
COUPLED
100mV/div
INDUCTOR
CURRENT
2A/div
DL3
5V/div
5V
5V ULTRASONIC EFFICIENCY
vs. LOAD CURRENT (TON = V
CC
)
M
LOAD CURRENT (A)
E
1
0.1
0.01
10
20
30
40
50
60
70
80
90
100
0
0.001
10
V
IN
= 12V
V
IN
= 24V
5V ULTRASONIC EFFICIENCY
vs. LOAD CURRENT (TON = GND)
M
LOAD CURRENT (A)
E
1
0.1
0.01
10
20
30
40
50
60
70
80
90
100
0
0.001
10
V
IN
= 12V
V
IN
= 24V
3.3V ULTRASONIC EFFICIENCY
vs. LOAD CURRENT (TON = V
CC
)
M
LOAD CURRENT (A)
E
1
0.1
0.01
10
20
30
40
50
60
70
80
90
100
0
0.001
10
V
IN
= 7V
V
IN
= 12V
V
IN
= 24V
3.3V ULTRASONIC EFFICIENCY
vs. LOAD CURRENT (TON = GND)
M
LOAD CURRENT (A)
E
1
0.1
0.01
10
20
30
40
50
60
70
80
90
100
0
0.001
10
V
IN
= 7V
V
IN
= 12V
V
IN
= 24V
Typic al Operating Charac teristic s (c ontinued)
(Circuit of Figure 1 and Figure 2, no load on LDO5, LDO3, OUT3, OUT5, and REF, V+ = 12V, ON3 = ON5 = V
CC
,
SHDN
= V+,
R
CS
= 7m
, V
ILIM
_ = 0.5V, T
A
= +25°C, unless otherwise noted.)
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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:
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