參數(shù)資料
型號(hào): MAX1927
廠商: Maxim Integrated Products, Inc.
元件分類: 數(shù)字信號(hào)處理
英文描述: Fixed-Point Digital Signal Processor 288-FCBGA
中文描述: 低輸出電壓、800mA、PWM降壓型DC-DC轉(zhuǎn)換器
文件頁數(shù): 5/12頁
文件大?。?/td> 303K
代理商: MAX1927
M
Low-Output-Voltage, 800mA, PWM Step-Down
DC-DC Converters
_______________________________________________________________________________________
5
M
LOAD CURRENT (mA)
E
100
10
50
60
70
80
90
100
40
1
1000
MAX1927R
EFFICIENCY vs. LOAD CURRENT
V
IN
= 5V
V
IN
= 3.6V
V
OUT
= 3.3V
MAX1928-25
EFFICIENCY vs. LOAD CURRENT
M
LOAD CURRENT (mA)
E
100
10
50
60
70
80
90
100
40
1
1000
V
IN
= 5V
V
IN
= 3.6V
MAX1928-18
EFFICIENCY vs. LOAD CURRENT
M
LOAD CURRENT (mA)
E
100
10
40
50
60
70
80
90
100
30
1
1000
V
IN
= 5V
V
IN
= 2.7V
V
IN
= 3.6V
V
OUT
= 1.8V
MAX1928-15
EFFICIENCY vs. LOAD CURRENT
M
LOAD CURRENT (mA)
E
100
10
40
50
60
70
80
90
100
30
1
1000
V
OUT
= 1.5V
V
IN
= 2.7V
V
IN
= 3.6V
V
IN
= 5V
MAX1927R
EFFICIENCY vs. LOAD CURRENT
M
LOAD CURRENT (mA)
E
100
10
40
50
60
70
80
90
100
30
1
1000
V
OUT
= 1V
V
IN
= 2.7V
V
IN
= 3.6V
V
IN
= 5V
MAX1928-25
DROPOUT VOLTAGE vs. LOAD CURRENT
M
LOAD CURRENT (A)
D
0.9
0.8
0.6 0.7
0.2 0.3 0.4 0.5
0.1
50
100
150
200
250
300
350
400
450
500
0
0
1.0
V
IN
= 2.5V
MAX1928-18
OUTPUT VOLTAGE vs. LOAD CURRENT
M
LOAD CURRENT (mA)
O
900
800
600 700
200 300 400 500
100
1.72
1.74
1.76
1.78
1.80
1.82
1.84
1.86
1.88
1.90
1.70
0
1000
V
IN
= 3.6V
M
INPUT VOLTAGE (V)
I
μ
A
5.0
4.5
0.5 1.0 1.5
2.5 3.0 3.5
2.0
4.0
50
100
150
200
250
300
350
400
0
0
5.5
NO-LOAD INPUT CURRENT
vs. INPUT VOLTAGE
OSCILLATOR FREQUENCY
vs. INPUT VOLTAGE
M
INPUT VOLTAGE (V)
O
5.1
4.6
4.1
3.6
3.1
0.96
0.98
1.00
1.02
1.04
1.06
0.94
2.6
5.6
T
A
= +85
°
C
T
A
= +25
°
C
T
A
= -40
°
C
Typical Operating Characteristics
(Circuits of Figure 3 and 4, T
A
= +25
°
C, unless otherwise noted.)
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX1927REUB 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 800mA PWM Step-Down DC/DC Converter RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關(guān)頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數(shù)量:2 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT
MAX1927REUB+ 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 800mA PWM Step-Down DC/DC Converter RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關(guān)頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數(shù)量:2 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT
MAX1927REUB+T 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 800mA PWM Step-Down DC/DC Converter RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關(guān)頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數(shù)量:2 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT
MAX1927REUB-G05 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 800mA PWM Step-Down DC/DC Converter RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關(guān)頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數(shù)量:2 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT
MAX1927REUB-T 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 800mA PWM Step-Down DC/DC Converter RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關(guān)頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數(shù)量:2 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT