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參數資料
| 型號： | MAX889R |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | High-Frequency, Regulated,200mA, Inverting Charge Pump(高效率可穩壓的200mA反相電荷泵) |
| 中文描述： | 高頻，規范，200毫安，反向電荷泵（高效率可穩壓的200mA的反相電荷泵） |
| 文件頁數： | 1/8頁 |
| 文件大小： | 301K |
| 代理商： | MAX889R |
General Description
The MAX889 inverting charge pump delivers a regulated
negative output voltage at loads of up to 200mA. The
device operates with inputs from 2.7V to 5.5V to produce
an adjustable, regulated output from -2.5V to -V
IN
.
The MAX889 is available with an operating frequency of
2MHz (T version), 1MHz (S version), or 0.5MHz (R ver-
sion). The higher switching frequency devices allow the
use of smaller capacitors for space-limited applica-
tions. The lower frequency devices have lower quies-
cent current.
The MAX889 also features a 0.1μA logic-controlled
shutdown mode and is available in an 8-pin SO pack-
age. An evaluation kit, MAX889SEVKIT, is available.
________________________Applications
TFT Panels
Hard Disk Drives
Camcorders
Digital Cameras
Measurement Instruments
Battery-Powered Applications
Features
o
200mA Output Current
o
Up to 2MHz Switching Frequency
o
Small Capacitors (1μF)
o
+2.7V to +5.5V Input Voltage Range
o
Adjustable Regulated Negative Output
(-2.5V to -V
IN
)
o
0.1μA Logic-Controlled Shutdown
o
Low 0.05
Output Resistance (in regulation)
o
Soft-Start and Foldback Current Limited
o
Short-Circuit and Thermal Shutdown Protected
o
8-Pin SO Package
M
High-Frequency, Regulated,
200mA, Inverting Charge Pump
________________________________________________________________
Maxim Integrated Products
For free samples and the latest literature, visit www.maxim-ic.com or phone 1-800-998-8800.
For small orders, phone 1-800-835-8769.
1
SHDN
OUT
CAP-
1
2
8
7
AGND
FB
CAP+
GND
IN
SO
TOP VIEW
3
4
6
5
MAX889
Pin Configuration
MAX889
IN
INPUT +2.7V TO +5.5V
REGULATED
NEGATIVE
OUTPUT
(UP TO -1
×
V
IN
,
UP TO 200mA)
FB
OUT
GND
AGND
CAP+
ON
OFF
SHDN
CAP-
Typical Operating Circuit
19-1774; Rev 0; 7/00
Ordering Information
PART
TEMP.
RANGE
PIN-
PACKAGE
SWITCHING
FREQUENCY
MAX889TESA
MAX889SESA
MAX889RESA
-40
°
C to +85
°
C
-40
°
C to +85
°
C
-40
°
C to +85
°
C
8 SO
8 SO
8 SO
2MHz
1MHz
0.5MHz
EVALUATION KIT
AVAILABLE
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|---|---|
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| MAX889SESA | High-Frequency, Regulated, 200mA, Inverting Charge Pump |
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相關代理商/技術參數 |
參數描述 |
|---|---|
| MAX889RESA | 功能描述:電荷泵 f-Reg 200mA Invert 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 |
| MAX889RESA+ | 功能描述:電荷泵 f-Reg 200mA Invert 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 |
| MAX889RESA+T | 功能描述:電荷泵 f-Reg 200mA Invert 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 |
| MAX889RESA-T | 功能描述:電荷泵 f-Reg 200mA Invert 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 |
| MAX889SESA | 功能描述:電荷泵 f-Reg 200mA Invert 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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