參數(shù)資料
型號: MAX1675EUA
廠商: MAXIM INTEGRATED PRODUCTS INC
元件分類: 穩(wěn)壓器
英文描述: High-Efficiency, Low-Supply-Current, Compact, Step-Up DC-DC Converters
中文描述: 1.5 A SWITCHING REGULATOR, 500 kHz SWITCHING FREQ-MAX, PDSO8
封裝: UMAX-8
文件頁數(shù): 5/12頁
文件大?。?/td> 160K
代理商: MAX1675EUA
M
High-Effic ienc y, Low-S upply-Current,
Compac t, S tep-Up DC-DC Converters
_______________________________________________________________________________________
5
0
40
20
100
80
60
140
120
160
0
1.5 2.0
0.5 1.0
2.5 3.0 3.5 4.0 4.5
NO-LOAD BATTERY CURRENT
vs. INPUT BATTERY VOLTAGE
M
INPUT BATTERY VOLTAGE (V)
I
μ
A
I
LIMIT
= 1A, 5.0V
I
LIMIT
= 0.5A, 5.0V
I
LIMIT
= 0.5A, 3.3V
I
LIMIT
= 1A, 3.3V
1.8
0
0.01
1
10
0.1
100
START-UP VOLTAGE
vs. LOAD CURRENT
0.2
0.4
M
LOAD CURRENT (mA)
S
0.8
0.6
1.0
1.2
1.4
1.6
WITHOUT DIODE
WITH 1N5817
-1.0
-0.6
-0.8
-0.2
-0.4
0.2
0
0.4
0.8
0.6
1.0
1
2.0 2.5 3.0
SUPPLY VOLTAGE (V)
1.5
3.5 4.0 4.5 5.0 5.5
SHUTDOWN CURRENT
vs. SUPPLY VOLTAGE
M
S
μ
A
0
0.4
0.2
0.8
0.6
1.2
1.0
1.4
0
1.0 1.5
0.5
2.0 2.5 3.0 3.5 4.0 4.5 5.0
SUPPLY VOLTAGE (V)
SHUTDOWN THRESHOLD
vs. SUPPLY VOLTAGE
M
S
0
200
100
500
300
400
800
700
600
900
1.0
2.0
1.5
2.5
3.0
3.5
4.0
4.5
MAXIMUM OUTPUT CURRENT
vs. INPUT VOLTAGE (V
OUT
= 5V)
M
INPUT VOLTAGE (V)
M
1A CURRENT LIMIT
0.5A CURRENT LIMIT
0
200
100
400
300
600
500
800
700
1.0
1.4 1.6
1.2
1.8 2.0 2.2 2.4 2.6 2.8 3.0
INPUT VOLTAGE (V)
MAXIMUM OUTPUT CURRENT
vs. INPUT VOLTAGE (V
OUT
= 3.3V)
M
M
0.5A CURRENT LIMIT
1A CURRENT LIMIT
Typic al Operating Charac teristic s (c ontinued)
(L = 22μH, C
IN
= 47μF, C
OUT
= 47μF
0.1μF, C
REF
= 0.1μF, T
A
= +25°C, unless otherwise noted.)
1
μ
s/div
HEAVY-LOAD SWITCHING WAVEFORMS
V
LX
5V/div
I
LX
0.5A/div
V
OUT
AC COUPLED
100mV/div
V
IN
= 2.4V
V
OUT
= 5.0V
0
0.4
0.2
0.8
0.6
1.0
1.2
2.0
3.0
OUTPUT VOLTAGE (V)
3.5
2.5
4.0
4.5
5.0
LX CURRENT LIMIT
vs. OUTPUT VOLTAGE
M
I
L
MAX1674, MAX1676 (CLSEL = OUT)
MAX1675, MAX1676 (CLSEL = GND)
0
0.15
0.10
0.05
0.25
0.20
0.35
0.30
0.45
0.40
-60
-20
-40
0
20
40
60
80
100
SWITCH RESISTANCE vs. TEMPERATURE
M
TEMPERATURE (°C)
R
)
P-CHANNEL
N-CHANNEL
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX1675EUA+ 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 Compact Step-Up 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
MAX1675EUA+T 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 Compact Step-Up 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
MAX1675EUA-T 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 Compact Step-Up 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
MAX1676EUB 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 Compact Step-Up 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
MAX1676EUB+ 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 Compact Step-Up 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