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參數資料
| 型號： | MAX853ESA |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | 穩壓器 |
| 英文描述： | Low-Noise, Regulated, Negative Charge-Pump Power Supplies for GaAsFET Bias |
| 中文描述： | SWITCHED CAPACITOR REGULATOR, 120 kHz SWITCHING FREQ-MAX, PDSO8 |
| 封裝： | PLASTIC, SOP-8 |
| 文件頁數： | 1/8頁 |
| 文件大?。?/td> | 118K |
| 代理商： | MAX853ESA |
_______________General Desc ription
The MAX850–MAX853 low-noise, inverting, charge-
pump power supplies are ideal for biasing GaAsFETs in
cellular telephone transmitter amplifiers.
The MAX850–MAX852 offer both preset (-4.1V) and
adjustable (-0.5V to -9.0V) output voltages. The
MAX853 uses an external positive control voltage to set
the negative output voltage. Input voltage range for all
four devices is 4.5V to 10V. Output current is 5mA.
An internal linear regulator reduces the output voltage
ripple to 2mVp-p. With a well-filtered control voltage
(V
CTRL
), the MAX853 achieves typical output ripple of
less than 1mVp-p. Supply current is 3mA max, and
shutdown current is less than 1μA max over temperature
(5μA max for MAX851).
________________________Applic ations
Cellular Phones
Negative Regulated Power Supplies
Personal Communicators, PDAs
Wireless Data Loggers
Continuously Adjustable GaAsFET Bias
LCD-Bias Contrast Control
____________________________Features
o
Fixed -4.1V or Adjustable -0.5V to -9V Output at 5mA
o
4.5V to 10V Input Voltage Range
o
2mVp-p Output Voltage Ripple (MAX850–MAX852)
1mVp-p Output Voltage Ripple (MAX853)
o
100kHz Charge-Pump Switching Frequency
(MAX850/MAX851/MAX853)
o
External Synchronizing Clock Input (MAX852)
o
Logic-Level Shutdown Mode: 1μA Max Over
Temperature (MAX850/MAX852/MAX853)
o
Low Cost, 8-Pin SO Package
Low-Noise, Regulated, Negative
Charge-Pump Power Supplies for GaAsFET Bias
________________________________________________________________ Maxim Integrated Products
1
1
2
3
4
8
7
6
5
IN
GND
OUT
FB**
(MAX850–852)
SHDN*
(MAX850/853)
NEGOUT
C1-
C1+
MAX850
MAX851
MAX852
MAX853
SO
TOP VIEW
* SHDN (MAX851)
OSC (MAX852)
** CONT (MAX853)
__________________Pin Configuration
MAX850
MAX851
MAX852
FB
OUT
SHDN*
SHDN
OSC
NEGOUT
C1-
C1+
IN
GND
V
IN
= 4.5V to 10.0V
(4 CELLS)
C3
V
OUT
= -4.1V
(V
GG
of GaAsFET)
C4
C1
C2
* MAX850: SHDN
MAX851: SHDN
MAX852: OSC
__________Typic al Operating Circ uit
19-0238; Rev 2; 4/96
EVALUATION KIT MANUAL
PART
MAX850ISA
MAX850ESA
MAX851
C/D
MAX851ISA
MAX851ESA
MAX852
C/D
MAX852ISA
MAX852ESA
MAX853
C/D
MAX853ISA
MAX853ESA
-40°C to +850°C
0°C to +70°C
-25°C to +85°C
-40°C to +85°C
0°C to +70°C
-25°C to +85°C
TEMP. RANGE
0°C to +70°C
PIN-PACKAGE
Dice*
8 SO
8 SO
Dice*
8 SO
8 SO
Dice*
8 SO
8 SO
Dice*
8 SO
8 SO
______________Ordering Information
*Dice are specified at T
A
= +25°C only.
For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800
-40°C to +85°C
0°C to +70°C
-25°C to +85°C
-40°C to +85°C
-25°C to +85°C
ise*
MAX850
C/D
M
FOLLOWS DATA SHEET
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相關代理商/技術參數 |
參數描述 |
|---|---|
| MAX853ESA+ | 功能描述:電荷泵 Regulated Negative Charge Pump RoHS:否 制造商:Maxim Integrated 功能:Inverting, Step Up 輸出電壓:- 1.5 V to - 5.5 V, 3 V to 11 V 輸出電流:100 mA 電源電流:1 mA 最大工作溫度:+ 70 C 封裝 / 箱體:SOIC-8 Narrow 封裝:Tube |
| MAX853ESA+T | 功能描述:電荷泵 Regulated Negative Charge Pump RoHS:否 制造商:Maxim Integrated 功能:Inverting, Step Up 輸出電壓:- 1.5 V to - 5.5 V, 3 V to 11 V 輸出電流:100 mA 電源電流:1 mA 最大工作溫度:+ 70 C 封裝 / 箱體:SOIC-8 Narrow 封裝:Tube |
| MAX853ESA-T | 功能描述:電荷泵 Regulated Negative Charge Pump RoHS:否 制造商:Maxim Integrated 功能:Inverting, Step Up 輸出電壓:- 1.5 V to - 5.5 V, 3 V to 11 V 輸出電流:100 mA 電源電流:1 mA 最大工作溫度:+ 70 C 封裝 / 箱體:SOIC-8 Narrow 封裝:Tube |
| MAX853ISA | 功能描述:電荷泵 Regulated Negative Charge Pump RoHS:否 制造商:Maxim Integrated 功能:Inverting, Step Up 輸出電壓:- 1.5 V to - 5.5 V, 3 V to 11 V 輸出電流:100 mA 電源電流:1 mA 最大工作溫度:+ 70 C 封裝 / 箱體:SOIC-8 Narrow 封裝:Tube |
| MAX853ISA+ | 功能描述:電荷泵 Regulated Negative Charge Pump RoHS:否 制造商:Maxim Integrated 功能:Inverting, Step Up 輸出電壓:- 1.5 V to - 5.5 V, 3 V to 11 V 輸出電流:100 mA 電源電流:1 mA 最大工作溫度:+ 70 C 封裝 / 箱體:SOIC-8 Narrow 封裝:Tube |
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