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参数资料
| 型号： | MAX1800EHJ |
| 厂商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分类： | 稳压器 |
| 英文描述： | Digital Camera Step-Up Power Supply |
| 中文描述： | 2 A SWITCHING REGULATOR, 1000 kHz SWITCHING FREQ-MAX, PQFP32 |
| 封装： | 5 X 5 MM, 1 MM HEIGHT, TQFP-32 |
| 文件页数： | 2/24页 |
| 文件大小： | 461K |
| 代理商： | MAX1800EHJ |
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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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX1800EHJ-T | 功能描述:直流/直流开关转换器 RoHS:否 制造商:STMicroelectronics 最大输入电压:4.5 V 开关频率:1.5 MHz 输出电压:4.6 V 输出电流:250 mA 输出端数量:2 最大工作温度:+ 85 C 安装风格:SMD/SMT |
| MAX1800EVKIT | 功能描述:电源管理IC开发工具 RoHS:否 制造商:Maxim Integrated 产品:Evaluation Kits 类型:Battery Management 工具用于评估:MAX17710GB 输入电压: 输出电压: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 开关控制器 Step-Up Slave DC/DC Controller RoHS:否 制造商:Texas Instruments 输入电压:6 V to 100 V 开关频率: 输出电压:1.215 V to 80 V 输出电流:3.5 A 输出端数量:1 最大工作温度:+ 125 C 安装风格: 封装 / 箱体:CPAK |
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