參數(shù)資料
型號(hào)： LT1963AEQ-3.3
廠商： LINEAR TECHNOLOGY CORP
元件分類： 基準(zhǔn)電壓源/電流源
英文描述： Circular Connector; No. of Contacts:8; Series:MS27467; Body Material:Aluminum; Connecting Termination:Crimp; Connector Shell Size:17; Circular Contact Gender:Socket; Circular Shell Style:Straight Plug; Insert Arrangement:17-8 RoHS Compliant: No
中文描述： 3.3 V FIXED POSITIVE LDO REGULATOR, 0.55 V DROPOUT, PSSO5
封裝： PLASTIC, D2PAK-5
文件頁(yè)數(shù)： 1/20頁(yè)
文件大小： 278K
代理商： LT1963AEQ-3.3
1
LT1963A Series
1.5A, Low Noise,
Fast Transient Response
LDO Regulators
1963af
TYPICAL APPLICATIO
N
U
APPLICATIU
FEATURES
DESCRIPTIOU
The LT
1963A series are low dropout regulators opti-
mized for fast transient response. The devices are capable
of supplying 1.5A of output current with a dropout voltage
of 340mV. Operating quiescent current is 1mA, dropping
to <1
m
A in shutdown. Quiescent current is well controlled;
it does not rise in dropout as it does with many other
regulators. In addition to fast transient response, the
LT1963A regulators have very low output noise which
makes them ideal for sensitive RF supply applications.
Output voltage range is from 1.21V to 20V. The LT1963A
regulators are stable with output capacitors as low as
10
m
F. Small ceramic capacitors can be used without the
necessary addition of ESR as is common with other
regulators. Internal protection circuitry includes reverse
battery protection, current limiting, thermal limiting and
reverse current protection. The devices are available in
fixed output voltages of 1.5V, 1.8V, 2.5V, 3.3V and as an
adjustable device with a 1.21V reference voltage. The
LT1963A regulators are available in 5-lead TO-220, DD,
3-lead SOT-223 and 8-lead SO packages.
■
Optimized for Fast Transient Response
■
Output Current: 1.5A
■
Dropout Voltage: 340mV
■
Low Noise: 40
m
V
RMS
(10Hz to 100kHz)
■
1mA Quiescent Current
■
No Protection Diodes Needed
■
Controlled Quiescent Current in Dropout
■
Fixed Output Voltages: 1.5V, 1.8V, 2.5V, 3.3V
■
Adjustable Output from 1.21V to 20V
■
<1
m
A Quiescent Current in Shutdown
■
Stable with 10
m
F Output Capacitor
■
Stable with Ceramic Capacitors
■
Reverse Battery Protection
■
No Reverse Current
■
Thermal Limiting
3.3V to 2.5V Regulator
■
3.3V to 2.5V Logic Power Supplies
■
Post Regulator for Switching Supplies
, LTC and LT are registered trademarks of Linear Technology Corporation.
IN
SHDN
10
μ
F*
*TANTALUM,
CERAMIC OR
ALUMINUM ELECTROLYTIC
1963 TA01
OUT
V
IN
> 3V
SENSE
GND
LT1963A-2.5
2.5V
1.5A
10
μ
F*
+
+
OUTPUT CURRENT (A)
0
D
200
300
1.6
1963 TA02
100
0
0.4
0.8
1.2
0.2
0.6
1.0
1.4
400
150
250
50
350
Dropout Voltage
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