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參數(shù)資料
| 型號(hào)： | HWD2001 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 元件分類： | DC/DC變換器 |
| 英文描述： | High-Efficiency, Low-Supply-Current, Compact, Step-Up DC-DC Converters |
| 中文描述： | 高效率，低電源電流，結(jié)構(gòu)緊湊，升壓型DC - DC轉(zhuǎn)換器 |
| 文件頁(yè)數(shù)： | 1/13頁(yè) |
| 文件大?。?/td> | 787K |
| 代理商： | HWD2001 |
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General Desc ription
The
HWD20011
/
HWD2001
/
HWD20012
compact, high
effI
ciency, step-up DC-DC converters fit in small
MSOP
packages. They feature a built-in synchronous rectifier,
which improves efficiency and reduces size and cost
by eliminating the need for an external Schottky diode.
Quiescent supply current is only 16μA.
The input voltage ranges from 0.7V to V
OUT
, where
V
OUT
can be set from 2V to 5.5V. Start-up is guaran-
teed from 1.1V inputs. The
HWD20011
/
HWD2001
/
HWD20012
have a preset, pin-selectable output for 5V or
3.3V. The outputs can also be adjusted to other volt-
ages using two external resistors.
All three devices have a 0.3
N-channel MOSFET
power switch. The
HWD20011
has a 1A current limit. The
HWD2001
has a 0.5A current limit, which permits the
use of a smaller inductor. The
HWD20012
comes in a
10-pin
MSOP
package and features an adjustable cur-
rent limit and circuitry to reduce inductor ringing.
________________________Applic ations
Pagers
Wireless Phones
Medical Devices
Hand-Held Computers
PDAs
RF Tags
1 to 3-Cell Hand-Held Devices
____________________________Features
o
94% Efficient at 200mA Output Current
o
16μA Quiescent Supply Current
o
Internal Synchronous Rectifier (no external diode)
o
0.1μA Logic-Controlled Shutdown
o
LBI/LBO Low-Battery Detector
o
Selectable Current Limit for Reduced Ripple
o
Low-Noise, Anti-Ringing Feature (
HWD20012
)
o
8-Pin and 10-Pin
MSOP
Packages
o
Preassembled Evaluation Kit (
HWD20012
EVKIT)
H
High-Effic ienc y, Low-S upply-Current,
Compac t, S tep-Up DC-DC Converters
1
GND
LBO
SHDN
REF
1
2
8
7
OUT
LX
LBI
FB
HWD20011
HWD2001
MSOP
TOP VIEW
3
4
6
5
1
2
3
4
5
10
9
8
7
6
OUT
LX
GND
BATT
CLSEL
LBO
LBI
FB
HWD20012
MSOP
SHDN
REF
HWD20011
HWD2001
INPUT
0.7V TOV
OUT
SHDN
LX
LBO
OUT
LBI
0.1
μ
F
LOW-BATTERY
DETECT OUT
OFF
ON
REF
GND
FB
OUTPUT
3.3V, 5V, OR
ADJ (2V TO5.5V)
UP TO300mA
LOW-BATTERY
DETECT IN
PART
HWD20011
EUA
HWD2001
EUA
HWD20012
EUB
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
TEMP. RANGE
PIN-PACKAGE
8
MSOP
8
MSOP
10
MSOP
_______________Ordering Information
Typic al Operating Circ uit
Pin Configurations
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| HWD20011 | High-Efficiency, Low-Supply-Current, Compact, Step-Up DC-DC Converters |
| HWD20011EUA | High-Efficiency, Low-Supply-Current, Compact, Step-Up DC-DC Converters |
| HWD20012 | High-Efficiency, Low-Supply-Current, Compact, Step-Up DC-DC Converters |
| HWD20012EUB | High-Efficiency, Low-Supply-Current, Compact, Step-Up DC-DC Converters |
| HWD2001EUA | High-Efficiency, Low-Supply-Current, Compact, Step-Up DC-DC Converters |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| HWD20011 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:High-Efficiency, Low-Supply-Current, Compact, Step-Up DC-DC Converters |
| HWD20011EUA | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:High-Efficiency, Low-Supply-Current, Compact, Step-Up DC-DC Converters |
| HWD20012 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:High-Efficiency, Low-Supply-Current, Compact, Step-Up DC-DC Converters |
| HWD20012EUB | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:High-Efficiency, Low-Supply-Current, Compact, Step-Up DC-DC Converters |
| HWD2001EUA | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:High-Efficiency, Low-Supply-Current, Compact, Step-Up DC-DC Converters |
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