參數(shù)資料
型號(hào)： MAX1834
廠商： Maxim Integrated Products, Inc.
英文描述： High-Efficiency Step-Up Converters with Reverse Battery Protection
中文描述： 高效率、升壓型轉(zhuǎn)換器，帶有反接電池保護(hù)
文件頁數(shù)： 4/12頁
文件大?。?/td> 511K
代理商： MAX1834
Typical Operating Characteristics
(V
OUT
= +3.3V, V
BATT
= +2V, unless otherwise noted.) (Figure 1)
95
65
0.1
10
100
1
1000
EFFICIENCY vs. LOAD CURRENT
(V
OUT
= 5.0V)
M
I
LOAD
(mA)
E
70
75
80
85
90
V
BATT
= +1.5V
V
= V
BATT
R1 = 309
R2 = 100k
MAX1834
V
BATT
= +2.7V
V
BATT
= +3.3V
0.1
10
1
100
1000
EFFICIENCY vs. LOAD CURRENT
(V
OUT
= 3.3V)
M
I
LOAD
(mA)
E
95
75
80
85
90
V
BATT
= +2.7V
V
BATT
= +1.5V
V
BATT
= +2.0V
V
SHDN
= V
BATT
MAX1835
0.1
10
1
10
100
EFFICIENCY vs. LOAD CURRENT
(V
OUT
= 2.5V)
M
I
LOAD
(mA)
E
85
70
75
80
V
BATT
= +2.0V
V
BATT
= +1.5V
V
= V
BATT
R1 = 100k
R2 = 100k
C
IN
= 20
μ
F
C
= 20
μ
F
MAX1834
0
50
150
100
200
250
1
3
2
4
5
6
MAXIMUM OUTPUT CURRENT
vs. BATTERY VOLTAGE
M
V
BATT
(V)
I
L
V
OUT
= +3.3V
V
OUT
= +5.0V
V
OUT
= +2.5V
1.2
10
10k
1k
100
STARTUP BATTERY VOLTAGE
vs. LOAD RESISTANCE
1.7
1.4
1.3
1.6
1.5
M
R
LOAD
(
)
V
B
V
SHDN
= V
BATT
V
OUT
= +5.0V
V
OUT
= +3.3V
V
OUT
= +2.5V
-0.2
0.2
0
0.6
0.4
1.0
0.8
1.2
-6
-4 -3 -2
-5
-1 0
V
BATT
(V)
1
2
3
4
5
6
INPUT CURRENT AND OUTPUT VOLTAGE
vs. BATTERY VOLTAGE (SHUTDOWN, NO LOAD)
MAX1832/35 toc06
I
B
μ
A
I
BATT
V
SHDN
= 0
R
=
∞
MAX1833
V
OUT
5
4
3
2
1
0
6
-1
V
O
(
-50
50
0
150
100
250
200
300
-6
-4 -3 -2
-5
-1 0
V
BATT
(V)
1
2
3
4
5
6
INPUT CURRENT AND OUTPUT VOLTAGE
vs. BATTERY VOLTAGE (SHUTDOWN, LOADED)
MAX1832/35 toc07
I
B
I
BATT
V
SHDN
= 0
R
= 22
MAX1833
V
OUT
5
4
3
2
1
0
6
-1
V
O
(
-20
60
0
100
80
140
120
160
-6
-4 -3 -2
-5
-1 0
V
BATT
(V)
1
2
3
4
5
6
INPUT CURRENT AND OUTPUT VOLTAGE
vs. BATTERY VOLTAGE (ON, NO LOAD)
MAX1832/35 toc08
I
B
μ
A
I
BATT
3.5
3.0
2.5
1.5
0.5
0
4.0
-0.5
V
O
(
40
20
V
SHDN
=
V
BATT
R
LOAD
=
∞
R3 = 1M
R4 = 220k
C1 = 10nF
V
OUT
2.0
1.0
I
BATT
M
High-Efficiency Step-Up Converters with
Reverse Battery Protection
4
_______________________________________________________________________________________
-50
50
0
150
100
250
200
300
-6
-4 -3 -2
-5
-1 0
V
BATT
(V)
1
2
3
4
5
6
INPUT CURRENT AND OUTPUT VOLTAGE
vs. BATTERY VOLTAGE (ON, LOADED)
MAX1832/35 toc09
I
B
I
BATT
5
4
3
2
1
0
6
-1
V
O
(
V
OUT
V
SHDN
=
V
BATT
V
OUT
= 3.3V
R
LOAD
= 22
R3 = 1M
R4 = 220k
C1 = 10nF
相關(guān)PDF資料
PDF描述
MAX1832EUT-T High-Efficiency Step-Up Converters with Reverse Battery Protection
MAX1833EUT-T High-Efficiency Step-Up Converters with Reverse Battery Protection
MAX1834EUT-T High-Efficiency Step-Up Converters with Reverse Battery Protection
MAX1835EUT-T High-Efficiency Step-Up Converters with Reverse Battery Protection
MAX1832 Replaced by TMS320BC52 : Digital Signal Processors 100-LQFP
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX1834EUT 制造商:Maxim Integrated Products 功能描述:HIGH-EFFICIENCY STEP-UP CONVERTER - Bulk
MAX1834EUT#G16 制造商:Maxim Integrated Products 功能描述:HIGH-EFFICIENCY STEP-UP CONVERTERS WITH REVERSE BATTERY PROT - Rail/Tube
MAX1834EUT#TG16 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 Step-Up Converter w/Reverse Bat Prtct 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
MAX1834EUT+T 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 Step-Up Converter w/Reverse Bat Prtct 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
MAX1834EUT-T 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 Step-Up Converter w/Reverse Bat Prtct 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
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