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參數資料
| 型號： | LT1761-5 |
| 廠商： | Linear Technology Corporation |
| 英文描述： | 100mA, Low Noise, LDO Micropower Regulators in SOT-23(5V輸出，100mA,低噪聲，低壓差穩(wěn)壓器（SOT-23封裝）) |
| 中文描述： | 100mA的，低噪聲，LDO穩(wěn)壓器采用SOT微功耗穩(wěn)壓- 23（5V的輸出，100mA的，低噪聲，低壓差穩(wěn)壓器（采用SOT - 23封裝）） |
| 文件頁數： | 1/16頁 |
| 文件大小： | 197K |
| 代理商： | LT1761-5 |
1
LT1761 Series
100mA, Low Noise,
LDO Micropower
Regulators in SOT-23
I
Tiny 5-Lead SOT-23 Package
I
Low Noise: 20
μ
V
RMS
(10Hz to 100kHz)
I
Low Quiescent Current: 20
μ
A
I
Wide Input Voltage Range: 1.8V to 20V
I
Output Current: 100mA
I
Very Low Shutdown Current: < 0.1
μ
A
I
Low Dropout Voltage: 300mV at 100mA
I
Fixed Output Voltages: 1.8V, 2V, 2.5V, 3V, 3.3V, 5V
I
Adjustable Output from 1.22V to 20V
I
Stable with 1
μ
F Output Capacitor
I
Stable with Aluminum, Tantalum or
Ceramic Capacitors
I
Reverse Battery Protected
I
No Reverse Current
I
No Protection Diodes Needed
I
Overcurrent and Overtemperature Protected
The LT
1761 series are micropower, low noise, low
dropout regulators. With an external 0.01
μ
F bypass
capacitor, output noise drops to 20
μ
V
RMS
over a 10Hz to
100kHz bandwidth. Designed for use in battery-powered
systems, the low 20
μ
A quiescent current makes them an
ideal choice. In shutdown, quiescent current drops to less
than 0.1
μ
A. The devices are capable of operating over an
input voltage from 1.8V to 20V, and can supply 100mA of
output current with a dropout voltage of 300mV. Quies-
cent current is well controlled, not rising in dropout as it
does with many other regulators.
The LT1761 regulators are stable with output capacitors
as low as 1
μ
F. Small ceramic capacitors can be used
without the series resistance required by other regulators.
Internal protection circuitry includes reverse battery pro-
tection, current limiting, thermal limiting and reverse
current protection. The device is available in fixed output
voltages of 1.8V, 2V, 2.5V, 3V, 3.3V and 5V, and as an
adjustable device with a 1.22V reference voltage. The
LT1761 regulators are available in the 5-lead SOT-23
package.
10Hz to 100kHz Output Noise
5V Low Noise Regulator
I
Cellular Phones
I
Pagers
I
Battery-Powered Systems
I
Frequency Synthesizers
I
Wireless Modems
, LTC and LT are registered trademarks of Linear Technology Corporation.
IN
SHDN
0.01
μ
F
10
μ
F
1761 TA01
OUT
V
IN
5.4V TO
20V
BYP
GND
LT1761-5
5V AT100mA
20
μ
V
RMS
NOISE
1
μ
F
+
FEATURES
DESCRIPTIOU
APPLICATIU
TYPICAL APPLICATIO
U
V
100
μ
V/DIV
20
μ
V
RMS
1761 G48
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