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參數(shù)資料
| 型號(hào)： | MAX1800EHJ |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | Digital Camera Step-Up Power Supply |
| 中文描述： | 2 A SWITCHING REGULATOR, 1000 kHz SWITCHING FREQ-MAX, PQFP32 |
| 封裝： | 5 X 5 MM, 1 MM HEIGHT, TQFP-32 |
| 文件頁數(shù)： | 4/24頁 |
| 文件大?。?/td> | 461K |
| 代理商： | MAX1800EHJ |
M
Digital Camera Step-Up
Power Supply
4
_______________________________________________________________________________________
ELECTRICAL CHARACTERISTICS (continued)
(Circuit of Figure 1, V
OUT
= V
POUT
= 3.3V, PGND = GND, V
ONM
= 3.3V, V
ON1
= V
ON2
= V
ON3
= V
ONA
= 0,
T
A
= -40
°
C to +85
°
C
,
unless otherwise noted. Typical values are at T
A
= +25
°
C.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
ANALOG GAIN BLOCK
AI Feedback Regulation Voltage
V
AO
= V
OUT
- 1.25V
AI Input Common-Mode Range
AI Input Current
V
AI
= 1.35V
AI to AO Voltage Gain
AO Output Sink Current
V
AI
= 1V, V
AO
= 2V
AO Output Source Current
V
AI
= 1.5V, V
AO
= 2V
AO Output Low Voltage
V
AI
= 1V, I
SINK
= 25
μ
A
MIN
1.23
-0.1
70
0.5
0.5
V
POUT
- 0.5
TYP
1.25
100
2.5
2.5
MAX
1.27
1.3
100
140
0.5
UNITS
V
V
nA
V/V
mA
mA
V
AO Output High Voltage
V
AI
= 1.5V or V
ONA
= 0, I
SOURCE
= 25
μ
A
V
AI to AO -3dB Bandwidth
AUXILIARY DC/DC
CONTROLLERS 1, 2, 3
INTERNAL CLOCK
OSC Clock Low Trip Level
5
MHz
Falling edge
V
DCON
= 0.625V
V
DCON
= V
OUT
0.2
0.575
1.00
0.25
0.625
1.05
0.3
0.675
1.10
V
OSC Clock High Trip Level
V
Maximum Duty-Cycle
Adjustment Range
40
90
%
Maximum Duty Cycle
Default Maximum Duty Cycle
ERROR AMPLIFIER
FB_ Regulation Voltage
FB_ to COMP_
Transconductance
FB_ to COMP_ Maximum
Voltage Gain
FB_ Input Leakage Current
DRIVERS (DL1, DL2, DL3)
DL_ Driver Resistance
DL_ Drive Current
SOFT-START
V
DCON
_ = 0.625V
V
DCON
_ = 1.25V
FB_ = COMP_
50
84
1.25
%
%
1.23
1.27
V
FB_ = COMP_, -5
μ
A < I
LOAD
< +5
μ
A
60
100
140
μ
S
2000
V/V
V
FB
_ = 1.35V
100
nA
R
ON
Output high or low
Sourcing or sinking, V
DL
_ = V
OUT
/2
2
6
A
0.5
Soft-Start Interval
1024
OSC
cycles
SHORT-CIRCUIT PROTECTION
Fault Interval
1024
OSC
cycles
Note 1:
Specifications to -40
°
C are guaranteed by design and not production tested.
Note 2:
Operating voltage. Since the regulator is bootstrapped to the output, once started it will operate down to +0.7V input.
Note 3:
The regulator is in startup mode until the voltage is reached.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX1800EHJ-T | 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 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 |
| MAX1800EVKIT | 功能描述:電源管理IC開發(fā)工具 RoHS:否 制造商:Maxim Integrated 產(chǎn)品:Evaluation Kits 類型:Battery Management 工具用于評(píng)估:MAX17710GB 輸入電壓: 輸出電壓:1.8 V |
| MAX1801EKA | 制造商:Maxim Integrated Products 功能描述:DIGITAL CAMERA STEP-UP SLAVE DC-DC - Rail/Tube |
| MAX1801EKA+ | 制造商:Maxim Integrated Products 功能描述:DC DC CNTRLR SGL-OUT STEP UP 2.7V TO 5.5V 8PIN SOT-23 - Rail/Tube |
| MAX1801EKA+T | 功能描述:DC/DC 開關(guān)控制器 Step-Up Slave DC/DC 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 |
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