參數(shù)資料
型號： MAX1800
廠商： Maxim Integrated Products, Inc.
英文描述： Digital Camera Step-Up Power Supply
中文描述： 數(shù)碼相機升壓型電源
文件頁數(shù)： 2/24頁
文件大小： 461K
代理商： MAX1800
M
Digital Camera Step-Up
Power Supply
2
_______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
OUT, POUT, ON_, DCON_, FB_, RDYM to GND.....-0.3V to +6.0V
PGND to GND ......................................................-0.3V to +0.3V
OUT to POUT_ ......................................................-0.3V to +0.3V
LX, DL_, AO to PGND .............................-0.3V to (POUT + 0.3V)
REF, OSC, AI, COMP_ to GND..................-0.3V to (OUT + 0.3V)
Continuous Power Dissipation (T
A
= +70
°
C)
32-Pin TQFP (derate 11mW/
°
C above +70
°
C) ............880mW
ELECTRICAL CHARACTERISTICS
(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
GENERAL
Input Voltage Range (Note 2)
V
IN
Minimum Startup Voltage
V
START
I
LOAD
< 1mA, T
A
= +25
o
C
Frequency in Startup Mode
V
OUT
= 1.5V
SUPPLY CURRENT
Shutdown Supply Current
V
ONM
= 0
Main DC/DC Converter Supply
Current
Main + Auxiliary 1 Supply
Current
V
OSC
= 0
Main + Auxiliary 2 Supply
Current
V
OSC
= 0
Main + Auxiliary 3 Supply
Current
V
OSC
= 0
Analog Gain Block Supply
Current
AO open, V
OSC
= 0
REFERENCE
Reference Output Voltage
V
REF
I
REF
= 20
μ
A
REF Load Regulation
10
μ
A < I
REF
< 200
μ
A
REF Line Rejection
2.7V < V
OUT
< 5.5V
OSCILLATOR
OSC Discharge Trip Level
Rising edge
OSC Input Bias Current
V
OSC
= 1.1V
OSC Discharge Resistance
V
OSC
= 1.5V, I
OSC
= 3mA
OSC Discharge Pulse Width
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
Operating Temperature Range
MAX1800EHJ.................................................. -40
°
C to +85
°
C
Junction Temperature......................................................+150
°
C
Storage Temperature Range.............................-65
°
C to +150
°
C
Lead Temperature (soldering, 10s).................................+300
°
C
MIN
TYP
0.9
150
0.002
MAX
5.5
1.1
300
5
UNITS
0.7
40
V
V
kHz
μ
A
V
FBM
= 1.2V, V
OSC
= 0
250
400
μ
A
V
ON1
= 3.3V, V
FBM
= 1.2V, V
FB1
= 1.2V,
375
600
μ
A
V
ON2
= 3.3V, V
FBM
= 1.2V, V
FB2
= 1.2V,
375
600
μ
A
V
ON3
= 3.3V, V
FBM
= 1.2V, V
FB3
= 1.2V,
375
600
μ
A
V
ONA
= 3.3V, V
FBM
= 1.2V, AI = REF,
375
600
μ
A
1.23
1.250
0.2
1.27
10
5
V
mV
mV
1.225
1.250
0.01
37
100
1.275
100
75
V
nA
ns
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相關代理商/技術參數(shù)
參數(shù)描述
MAX1800EHJ 功能描述:直流/直流開關轉換器 RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關頻率: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 安裝風格:SMD/SMT
MAX1800EHJ-T 功能描述:直流/直流開關轉換器 RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關頻率: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 產品:Evaluation Kits 類型:Battery Management 工具用于評估: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
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