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参数资料
| 型号： | MAX1848ETA |
| 厂商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分类： | 稳压器 |
| 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 |
| 封装： | 3 X 3 MM, 0.80 MM HEIGHT, TQFN-8 |
| 文件页数： | 3/9页 |
| 文件大小： | 323K |
| 代理商： | MAX1848ETA |
M
White LED Step-Up Converter in SOT23
_______________________________________________________________________________________
3
DC ELECTRICAL CHARACTERISTICS (continued)
(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.)
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
=
-40
°
C to +85
°
C
, unless otherwise
noted. (Note 1)
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
N-CHANNEL SWITCH
LX On-Resistance
I
LX
= 100mA
1.4
0.01
0.05
500
2.2
2
T
A
= +25
°
C
T
A
= +85
°
C
LX Leakage Current
V
OUT
= V
LX
= 13V
μA
LX Current Limit
Duty cycle = 65%
300
750
mA
PARAMETER
CONDITIONS
MIN
2.6
2.15
2.10
MAX
5.5
2.59
2.56
0.4
2
14.00
13.25
30
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
V+ rising, 1V hysteresis typical
V+ falling
Undervoltage Lockout Threshold
V
Quiescent Current
mA
12.25
11.25
10
Overvoltage Threshold
V
V
CTRL
> 0.25V
V
CTRL
= GND
OUT Input Bias Current
V
OUT
= 13V
μA
Output Voltage Range
V+ -
V
DIODE
12.25
V
ERROR AMPLIFIER
CTRL to CS Regulation
CS Input Bias Current
CTRL Input Resistance
CTRL Dual Mode Threshold
COMP Pin Resistance to Ground
COMP Output Voltage Swing
OSCILLATOR
Operating Frequency
Maximum Duty Cycle
N-CHANNEL SWITCH
LX On-Resistance
LX Current Limit
V
CTRL
= 2V, V+ = 2.6V to 5.5V
V
CS
= V
CTRL
/13.33
65
85
1
1100
240
50.0
2.4
mV/V
μA
k
mV
k
V
450
100
7.5
0.3
Hysteresis = 25mV typical
Device in shutdown or overvoltage
0.9
85
1.6
97
MHz
%
V
CTRL
= V+, V
CS
= GND
I
LX
= 100mA
Duty cycle = 65%
2.2
850
mA
225
Note 1:
Limits are 100% production tested at T
A
= +25
°
C. Limits over the operating temperature range are guaranteed through cor-
relation using statistical quality control (SQC) methods.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| 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照明驱动器 White LED Step-Up RoHS:否 制造商:STMicroelectronics 输入电压:11.5 V to 23 V 工作频率: 最大电源电流:1.7 mA 输出电流: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:SO-16N |
| MAX1848ETA-T | 功能描述:LED照明驱动器 White LED Step-Up RoHS:否 制造商:STMicroelectronics 输入电压:11.5 V to 23 V 工作频率: 最大电源电流:1.7 mA 输出电流: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:SO-16N |
| MAX1848EVKIT | 功能描述:LED 照明开发工具 Evaluation Kit for the MAX1848 RoHS:否 制造商:Fairchild Semiconductor 产品:Evaluation Kits 用于:FL7732 核心: 电源电压:120V 系列: 封装: |
| MAX184ACNG | 功能描述:模数转换器 - ADC RoHS:否 制造商:Texas Instruments 通道数量:2 结构:Sigma-Delta 转换速率:125 SPs to 8 KSPs 分辨率:24 bit 输入类型:Differential 信噪比:107 dB 接口类型:SPI 工作电源电压:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-32 |
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