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Linear Regulators (LDO) | MC33761
概览
The MC33761 is a low dropout (LDO) switching voltage regulator featuring excellent noise performances. Thanks to its innovative design, the circuit reaches an impressive 40uVRMS noise level without an external bypass capacitor. Housed in a small SOT-23 5 leads-like package, this LDO represents the ideal designer's choice when space and noise are at premium.
The absence of external bandgap capacitor accelerates the response time to a wake-up signal and keeps it within 40us (in repetitive mode), making the MC33761 as a natural candidate for portable applications.
The MC33761 low dropout (LDO) linear voltage regulator also hosts a novel architecture which prevents excessive undershoots in the presence of fast transient bursts, as in any bursting systems.
Finally, with a static line regulation better than -75dB, it naturally shields the downstream electronics against choppy lines.
应用
- Noise sensitive circuits: VCOs RF stages etc.
- Bursting systems (TDMA phones)
- All battery operated devices
特性
- Ultra Low-Noise: 150 nV/sq. root Hz @ 100 Hz, 40mVRMS 100 Hz - 100 kHz typical, Iout = 60 mA, Co=1.0mF
- Fast Response Time from OFF to ON: 40ms Typical at a 200 Hz Repetition Rate
- Ready for 1.0 V Platforms: ON with a 900 mV High Level
- Nominal Output Current of 80 mA with a 100 mA Peak Capability
- Typical Dropout of 90 mV @ 30 mA, 160 mV @ 80 mA
- Ripple Rejection: 70 dB @ 1.0 kHz
- 1.5% Output Precision @ 25°C
- Thermal Shutdown
- Vout Available at 2.5 V, 2.8 V, 2.9V, 3.0 V, 5.0V
- Operating Range from -40 to +85°C
- Dual Version is Available as MC33762
- Pb-Free Package May be Available. The G-Suffix Denotes a Pb-Free Lead Finish.
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产品
MC33761SNT1-025G
Obsolete
Pb
A
H
P
TSOP-5 / SOT-23-5
1
260
REEL
3000
N
Single
Positive
2.5
0.08
2.7
12
0.16
0.18
70
35
Yes
No
Industrial
Price N/A
More Details
MC33761SNT1-028G
Obsolete
Pb
A
H
P
TSOP-5 / SOT-23-5
1
260
REEL
3000
N
Single
Positive
2.8
0.08
2.7
12
0.16
0.18
70
35
Yes
No
Industrial
Price N/A
More Details
MC33761SNT1-029G
Obsolete
Pb
A
H
P
TSOP-5 / SOT-23-5
1
260
REEL
3000
N
Single
Positive
2.9
0.08
2.7
12
0.16
0.18
70
35
Yes
No
Industrial
Price N/A
More Details
MC33761SNT1-030G
Obsolete
Pb
A
H
P
TSOP-5 / SOT-23-5
1
260
REEL
3000
N
Single
Positive
3
0.08
2.7
12
0.16
0.18
70
35
Yes
No
Industrial
Price N/A
More Details
MC33761SNT1-050G
Obsolete
Pb
A
H
P
TSOP-5 / SOT-23-5
1
260
REEL
3000
N
Single
Positive
5
0.08
2.7
12
0.16
0.18
70
35
Yes
No
Industrial
Price N/A
More Details
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