參數(shù)資料
型號(hào)： MAX1896
廠商： Maxim Integrated Products, Inc.
元件分類(lèi)： DC/DC變換器
英文描述： 1.4MHz SOT23 Current-Mode Step-Up DC-DC Converter
中文描述： 1.4MHz、SOT23封裝、電流模式升壓型DC-DC轉(zhuǎn)換器
文件頁(yè)數(shù)： 3/10頁(yè)
文件大?。?/td> 755K
代理商： MAX1896
M
1.4MHz SOT23 Current-Mode
Step-Up DC-DC Converter
_______________________________________________________________________________________
3
ELECTRICAL CHARACTERISTICS
(V
IN
= V
SHDN
= 3V, FB = GND, SS = open,
T
A
= -40°C to +85°C
, unless otherwise noted.) (Note 3)
Note 2:
Current limit varies with duty cycle due to slope compensation. See the
Output Current Capability
section.
Note 3:
Specifications to -40°C are guaranteed by design and not production tested.
PARAMETER
SYMBOL
CONDITIONS
MIN
2.6
TYP
MAX
5.5
13
2.55
0.4
5
10
UNITS
V
V
V
Input Supply Range
Output Voltage Adjust Range
V
IN
Undervoltage Lockout
V
IN
V
OUT
UVLO
Circuit of Figure 1
V
IN
rising, 50mV hysteresis.
V
FB
= 1.3V, not switching
V
FB
= 1.0V, switching
V
SHDN
= 0
2.25
Quiescent Current
I
IN
mA
Shutdown Supply Current
ERROR AMPLIFIER
Feedback Regulation Set Point
FB Input Bias Current
Line Regulation
OSCILLATOR
Frequency
Maximum Duty Cycle
POWER SWITCH
Current Limit (Note 2)
On-Resistance
Leakage Current
μA
V
FB
I
FB
1.2
1.25
80
0.20
V
nA
%/V
V
FB
= 1.24V
2.6V < V
IN
< 5.5V
f
OSC
DC
1000
82
1800
kHz
%
I
LIM
R
ON
I
LXOFF
V
FB
= 1V, duty cycle = 50%
0.55
A
1
10
μA
V
LX
= 12V
SOFT-START
Reset Switch Resistance
Charge Current
100
7.50
μA
V
SS
= 1.2V
1.25
CONTROL INPUT
Input Low Voltage
Input High Voltage
V
IL
V
IH
V
SHDN
= V
IN
= 2.6V to 5.5V
V
SHDN
= V
IN
= 2.6V to 5.5V
V
SHDN
= 3V
V
SHDN
= 0
0.3
V
V
1.0
50
0.1
SHDN
Input Current
I
SHDN
μA
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX1896EUT 制造商:Maxim Integrated Products 功能描述:1.4MHZ SOT23 CURRENT-MODE STEP-UP D - Cut Tape Product
MAX1896EUT#G16 制造商:Maxim Integrated Products 功能描述:1.4MHZ SOT23 CURRENT-MODE STEP-UP DC-DC CONVERTER - Rail/Tube
MAX1896EUT#TG16 功能描述:電流型 PWM 控制器 1.4MHz Current-Mode Step-Up RoHS:否 制造商:Texas Instruments 開(kāi)關(guān)頻率:27 KHz 上升時(shí)間: 下降時(shí)間: 工作電源電壓:6 V to 15 V 工作電源電流:1.5 mA 輸出端數(shù)量:1 最大工作溫度:+ 105 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TSSOP-14
MAX1896EUT+ 制造商:Maxim Integrated Products 功能描述:1.4MHZ SOT23 CURRENT-MODE STEP-UP DC-DC CONVERTER - Rail/Tube
MAX1896EUT+T 功能描述:直流/直流開(kāi)關(guān)轉(zhuǎn)換器 1.4MHz Current-Mode Step-Up RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開(kāi)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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