MC33761SNT1-25 datasheet(1/14 Pages) ONSEMI

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January, 2004 − Rev. 7

1

Publication Order Number:

MC33761/D

MC33761

Ultra Low−Noise Low

Dropout Voltage Regulator

with 1.0 V ON/OFF Control

The MC33761 is an Low DropOut (LDO) regulator featuring

excellent noise performances. Thanks to its innovative design, the

circuit reaches an impressive 40

mVRMS noise level without an

external bypass capacitor. Housed in a small SOT−23 5 leads−like

package, it 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

40

ms (in repetitive mode), making the MC33761 as a natural

candidate for portable applications.

The MC33761 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 −75 dB, it naturally

shields the downstream electronics against choppy lines.

Features

• Ultra−Low Noise: 150 nV/√Hz @ 100 Hz, 40 mVRMS

100 Hz−100 kHz Typical, Iout = 60 mA, Co = 1.0

mF

• Fast Response Time from OFF to ON: 40 ms 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

• V

out Available at 2.5 V, 2.8 V, 2.9 V, 3.0 V, 5.0 V

• 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

Applications

• Noise Sensitive Circuits: VCOs RF Stages, etc.

• Bursting Systems (TDMA Phones)

• All Battery Operated Devices

Figure 1. Simplified Block Diagram

Thermal

Shutdown

On/Off

Band Gap

Reference

*Current Limit

*Antisaturation Protection

*Load Transient Improvement

Vout

Vin

GND

NC

ON/

OFF

5

1

2

4

3

THIN SOT−23−5

SN SUFFIX

CASE 483

1

5

PIN CONNECTIONS AND

MARKING DIAGRAM

1

3

NC

Vin

2

GND

ON/OFF

4

Vout

5

See detailed ordering and shipping information in the package

dimensions section on page 12 of this data sheet.

ORDERING INFORMATION

xx = Version

Y = Year

W = Work Week

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Số phần tương tự - MC33761SNT1-25

nhà sản xuất	tên linh kiện	bảng dữ liệu	Giải thích chi tiết về linh kiện
ON Semiconductor	MC33761SNT1-025	408Kb / 13P	Ultra Low?묿oise Low Dropout Voltage Regulator with 1.0 V ON/OFF Control July, 2006 ??Rev. 8
	MC33761SNT1-025G	408Kb / 13P	Ultra Low?묿oise Low Dropout Voltage Regulator with 1.0 V ON/OFF Control July, 2006 ??Rev. 8
	MC33761SNT1-028	408Kb / 13P	Ultra Low?묿oise Low Dropout Voltage Regulator with 1.0 V ON/OFF Control July, 2006 ??Rev. 8
	MC33761SNT1-028G	408Kb / 13P	Ultra Low?묿oise Low Dropout Voltage Regulator with 1.0 V ON/OFF Control July, 2006 ??Rev. 8
	MC33761SNT1-029	408Kb / 13P	Ultra Low?묿oise Low Dropout Voltage Regulator with 1.0 V ON/OFF Control July, 2006 ??Rev. 8

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Mô tả tương tự - MC33761SNT1-25

nhà sản xuất	tên linh kiện	bảng dữ liệu	Giải thích chi tiết về linh kiện
ON Semiconductor	NCP4561	129Kb / 16P	ULTRA LOW-NOISE LOW DROPOUT VOLTAGE REGULATOR WITH 1.0 ON/OFF CONTROL May, 2002 ??Rev. 2
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