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參數資料
| 型號： | LCHM |
| 廠商： | Linear Technology Corporation |
| 英文描述： | 20mA, 3V to 80V Low Dropout Micropower Linear Regulator |
| 中文描述： | 20mA的，3V至80V的微功率低壓差線性穩壓器 |
| 文件頁數： | 1/12頁 |
| 文件大小： | 176K |
| 代理商： | LCHM |
1
LT3014B
3014bf
, LTC and LT are registered trademarks of Linear Technology Corporation. ThinSOT is
a trademark of Linear Technology Corporation. All other trademarks are the property of
their respective owners. Protected by U.S. Patents including 6118263, 6144250.
IN
LT3014B
1
μ
F
V
IN
5.4V TO
80V
OUT
ADJ
GND
3014 TA01
V
OUT
5V
20mA
0.47
μ
F
3.92M
1.27M
400
350
300
250
200
150
100
50
0
3014 TA02
OUTPUT CURRENT (mA)
D
0
4
10 12
2
6
8
14 16 18 20
■
Wide Input Voltage Range: 3V to 80V
■
Low Quiescent Current: 7
μ
A
■
Low Dropout Voltage: 350mV
■
Output Current: 20mA
■
LT3014BHV Survives 100V Transients (2ms)
■
No Protection Diodes Needed
■
Adjustable Output from 1.22V to 60V
■
Stable with 0.47
μ
F Output Capacitor
■
Stable with Aluminum, Tantalum or Ceramic
Capacitors
■
Reverse-Battery Protection
■
No Reverse Current Flow from Output
■
Thermal Limiting
■
Available in 5-Lead ThinSOT
TM
and
8-Lead DFN Packages
20mA, 3V to 80V
Low Dropout Micropower
Linear Regulator
5V Supply
Dropout Voltage
The LT
3014B is a high voltage, micropower low dropout
linear regulator. The device is capable of supplying 20mA
of output current with a dropout voltage of 350mV. De-
signed for use in battery-powered or high voltage sys-
tems, the low quiescent current (7
μ
A operating) makes
the LT3014B an ideal choice. Quiescent current is also well
controlled in dropout.
Other features of the LT3014B include the ability to oper-
ate with very small output capacitors. The regulators are
stable with only 0.47
μ
F on the output while most older
devices require between 10
μ
F and 100
μ
F for stability.
Small ceramic capacitors can be used without the neces-
sary addition of ESR as is common with other regulators.
Internal protection circuitry includes reverse-battery pro-
tection, current limiting, thermal limiting and reverse
current protection.
The device is available as an adjustable device with a 1.22V
reference voltage. The LT3014B regulator is available in
the 5-lead ThinSOT and 8-lead DFN packages.
■
Low Current High Voltage Regulators
■
Regulator for Battery-Powered Systems
■
Telecom Applications
■
Automotive Applications
FEATURES
DESCRIPTIOU
APPLICATIU
TYPICAL APPLICATIO
U
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