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参数资料
| 型号： | MAX1800 |
| 厂商： | Maxim Integrated Products, Inc. |
| 英文描述： | Digital Camera Step-Up Power Supply |
| 中文描述： | 数码相机升压型电源 |
| 文件页数： | 3/24页 |
| 文件大小： | 461K |
| 代理商： | MAX1800 |
M
Digital Camera Step-Up
Power Supply
_______________________________________________________________________________________
3
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
LOGIC INPUTS (ONM,
ON1, ON2, ON3, ONA)
1.1V < V
OUT
< 1.8V (ONM only)
Input Low Level
V
IL
1.8V < V
OUT
< 5.5V
MIN
TYP
MAX
UNITS
0.2
0.4
V
1.1V < V
OUT
< 1.8V (ONM only)
V
OUT
-
0.2
1.6
Input High Level
V
IH
1.8V < V
OUT
< 5.5V
V
IN
= 0 or V
IN
= V
OUT
= 5.5V
V
Input Leakage Current
MAIN DC/DC CONVERTER
Main Output Voltage Adjust
Range
Main Undervoltage Lockout
Threshold (Note 3)
Main Output Maximum Duty
Cycle
Idle-Mode
Threshold
ERROR AMPLIFIER
FBM Regulation Voltage
FBM to COMPM
Transconductance
FBM to COMPM Maximum
Voltage Gain
FBM Input Leakage Current
COMPM Minimum Output
Voltage
COMPM Maximum Output
Voltage
POWER SWITCHES
POUT Leakage Current
LX Leakage Current
0.01
1
μ
A
V
OUT
2.7
5.5
V
Rising edge
2.2
2.35
2.6
V
Measured at LX output, V
FBM
= 1V
80
85
88
%
V
OSC
= 0.625V
0.3
A
Unity gain configuration, FBM = COMPM
Unity gain configuration, FBM = COMPM,
-5
μ
A < I
LOAD
< +5
μ
A
1.23
1.250
1.27
V
60
100
140
μ
S
2000
V/V
V
FBM
= 1.35V
0.01
100
nA
V
FBM
= 1.35V, COMPM open
0.1
V
V
FBM
= 1.15V, COMPM open
2.00
2.15
2.30
V
V
LX
= 0, V
POUT
= 5.5V
V
LX
= V
OUT
= 5.5V
N-channel
P-channel
0.1
0.1
100
200
2
120
1.125
0.01
20
20
180
350
190
1.16
1
0.4
μ
A
μ
A
Switch On- Resistance
R
ON
m
N-Channel Current Limit
P-Channel Turn-Off Current
POWER READY
RDYM Trip Level
RDYM Output High Leakage
RDYM Output Voltage Low
A
40
1.09
mA
V
μ
A
V
V
FBM
rising edge, 1% typical hysteresis
V
RDYM
= 5.5V
I
SINK
= 1mA
Idle Mode is a trademark of Maxim Integrated Products.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX1800EHJ | 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 |
| 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 |
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