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參數(shù)資料
| 型號： | MAX1848ETA |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | Replaced by TMS320VC5506 : DSP (DSP Only) for Embedded V90 Modem Solution [Not Recommended For New Designs (NRND)] 144-BGA MICROSTAR |
| 中文描述： | 0.85 A SWITCHING REGULATOR, 1600 kHz SWITCHING FREQ-MAX, QCC8 |
| 封裝： | 3 X 3 MM, 0.80 MM HEIGHT, TQFN-8 |
| 文件頁數(shù)： | 2/9頁 |
| 文件大?。?/td> | 323K |
| 代理商： | MAX1848ETA |
M
White LED Step-Up Converter in SOT23
2
_______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
V+ to GND................................................................-0.3V to +6V
PGND to GND .......................................................-0.3V to +0.3V
LX, OUT to GND.....................................................-0.3V to +14V
LX to OUT...............................................................-14V to +0.3V
CTRL to GND.......................................-0.3V to +6V or (V+ + 2V)
COMP, CS to GND.......................................-0.3V to (V+ + 0.3V)
LX Current ....................................................................0.45A
RMS
DC ELECTRICAL CHARACTERISTICS
(V+ = 3V, V
OUT
= 11V, L = 33μH, C
OUT
= 1μF, C
COMP
= 0.15μF, R
SENSE
= 5
, V
CTRL
= 1V,
T
A
=
0
°
C to +85
°
C
, unless otherwise
noted. Typical values are at T
A
= +25
°
C.)
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.
Continuous Power Dissipation (T
A
= +70
°
C)
8-Pin SOT23 (derate 9.7mW/
°
C above +70
°
C).............777mW
8-Pin Thin QFN 3mm
3mm (derate 24.4mW/
°
C
above +70
°
C)..............................................................1951mW
Operating Temperature Range ...........................-40
°
C to +85
°
C
Junction Temperature......................................................+150
°
C
Storage Temperature Range.............................-60
°
C to +150
°
C
Lead Temperature (soldering, 10s).................................+300
°
C
PARAMETER
CONDITIONS
MIN
2.6
2.15
2.10
TYP
MAX
5.5
2.59
2.56
0.40
2
1
UNITS
V
Supply Voltage
V+ rising, 40mV hysteresis typical
V+ falling
Not switching, V
CTRL
= V
CS
= V+
Switching, V
CTRL
= V+, V
CS
= GND
2.38
2.34
0.25
1
0.3
0.3
13.25
12.25
20
0.01
Undervoltage Lockout Threshold
V
Quiescent Current
mA
T
A
= +25
°
C
T
A
= +85
°
C
Shutdown Supply Current
V
CTRL
= GND
μA
V+ rising, 1V hysteresis typical
V+ falling
12.5
11.5
10
14.0
13
30
1
Overvoltage Threshold
V
V
CTRL
> 0.25V
V
CTRL
= GND
OUT Input Bias Current
V
OUT
= 13V
μA
Output Voltage Range
V+ -
V
D OD E
12.5
V
ERROR AMPLIFIER
CTRL to CS Regulation
CS Input Bias Current
CTRL Input Resistance
CTRL Dual Mode Threshold
CS Line Regulation
COMP Pin Resistance to Ground
COMP Output Voltage Swing
OSCILLATOR
Operating Frequency
V
CTRL
= 2V, V+ = 2.6V to 5.5V
V
CS
= V
CTRL
/13.33
71
75
0.01
670
170
0.05
15
81
1
1100
240
mV/V
μA
k
mV
%/V
k
V
450
100
Hysteresis = 25mV typical
V+ = 2.6V to 5.5V, V
CTRL
= 3V
Device in shutdown or overvoltage
7.5
0.3
50
2.4
1.0
1.2
12
0
90
1.5
MHz
PWM mode
Pulse skipping
V
CTRL
= V+, V
CS
= GND
Minimum Duty Cycle
%
Maximum Duty Cycle
85
97
%
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| MAX1848ETA+ | 制造商:Maxim Integrated Products 功能描述:LED DRVR 3SEGMENT 2.6V TO 5.5V 8PIN SOT-23 - Rail/Tube |
| MAX1848ETA+T | 功能描述:LED照明驅(qū)動器 White LED Step-Up RoHS:否 制造商:STMicroelectronics 輸入電壓:11.5 V to 23 V 工作頻率: 最大電源電流:1.7 mA 輸出電流: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SO-16N |
| MAX1848ETA-T | 功能描述:LED照明驅(qū)動器 White LED Step-Up RoHS:否 制造商:STMicroelectronics 輸入電壓:11.5 V to 23 V 工作頻率: 最大電源電流:1.7 mA 輸出電流: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SO-16N |
| MAX1848EVKIT | 功能描述:LED 照明開發(fā)工具 Evaluation Kit for the MAX1848 RoHS:否 制造商:Fairchild Semiconductor 產(chǎn)品:Evaluation Kits 用于:FL7732 核心: 電源電壓:120V 系列: 封裝: |
| MAX184ACNG | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32 |
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