Datasheet 搜索 > 稳压芯片 > Linear Technology（凌力尔特） > LT1964ES55 数据手册 > LT1964ES55 数据手册 1/16 页
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LT1964ES55 数据手册 - Linear Technology（凌力尔特）
制造商:
Linear Technology（凌力尔特）
分类:
稳压芯片
封装:
TSOT-23
Pictures:
3D模型
符号图
焊盘图
引脚图
产品图
页面导航:
引脚图在P10Hot
典型应用电路图在P1
封装尺寸在P15
焊盘布局在P15
型号编码规则在P3
标记信息在P3
封装信息在P3
技术参数、封装参数在P4
应用领域在P1P4P10P11P12P13P14
电气规格在P3P4P5P6P7P8P11
导航目录
LT1964ES55数据手册
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LT1964
1
1964fb
TYPICAL APPLICATION
DESCRIPTION
200mA, Low Noise,
Low Dropout Negative
Micropower Regulator
The LT
®
1964 is a micropower low noise, low dropout nega-
tive regulator. The device is capable of supplying 200mA
of output current with a dropout voltage of 340mV. Low
quiescent current (30μA operating and 3μA shutdown)
makes the LT1964 an excellent choice for battery-pow-
ered applications. Quiescent current is well controlled in
dropout.
Other features of the LT1964 include low output noise.
With the addition of an external 0.01μF bypass capacitor,
output noise is reduced to 30μV
RMS
over a 10Hz to 100kHz
bandwidth. The LT1964 is capable of operating with small
capacitors and is stable with output capacitors as low
as 1μF. Small ceramic capacitors can be used without
the necessary addition of ESR as is common with other
regulators. Internal protection circuitry includes reverse
output protection, current limiting, and thermal limiting.
The device is available with a fi xed output voltage of –5V
and as an adjustable device with a –1.22V reference volt-
age. The LT1964 regulators are available in a low profi le
(1mm) ThinSOT and the low profi le (0.75mm) 8-pin
(3mm × 3mm) DFN packages.
L, LT, LTC and LTM 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.
FEATURES
APPLICATIONS
n
Low Noise: 30μV
RMS
(10Hz to 100kHz)
n
Low Quiescent Current: 30μA
n
Low Dropout Voltage: 340mV
n
Output Current: 200mA
n
Fixed Output Voltage: –5V
n
Adjustable Output from –1.22V to –20V
n
Positive or Negative Shutdown Logic
n
3μA Quiescent Current in Shutdown
n
Stable with 1μF Output Capacitor
n
Stable with Aluminum, Tantalum, or Ceramic
Capacitors
n
Thermal Limiting
n
Low Profi le (1mm) ThinSOT™ and (0.75mm) 8-Pin
3mm × 3mm DFN Packages
n
Battery-Powered Instruments
n
Low Noise Regulator for Noise-Sensitive
Instrumentation
n
Negative Complement to LT1761 Family of
Positive LDOs
–5V Low Noise Regulator
10Hz to 100kHz Output Noise
1964 TA01a
GND
SHDN BYP
IN
OUT
LT1964-5
1μF
10μF
0.01μF
V
IN
–5.4V
TO –20V
–5V AT 200mA
30μV
RMS
NOISE
V
OUT
100μV/DIV
1ms/DIV
1964 TA01b
30μV
RMS
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