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參數(shù)資料
| 型號： | MC33761SNT1-29 |
| 廠商： | ON SEMICONDUCTOR |
| 元件分類： | 基準電壓源/電流源 |
| 英文描述： | Ultra Low-Noise Low Dropout Voltage Regulator with 1V ON/OFF Control |
| 中文描述： | 2.9 V FIXED POSITIVE LDO REGULATOR, 0.25 V DROPOUT, PDSO5 |
| 封裝： | SOT-23, TSOP-5 |
| 文件頁數(shù)： | 1/14頁 |
| 文件大小： | 204K |
| 代理商： | MC33761SNT1-29 |
Semiconductor Components Industries, LLC, 2004
January, 2004 Rev. 7
1
Publication Order Number:
MC33761/D
MC33761
Ultra LowNoise 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 VRMS noise level
without
an
external bypass capacitor. Housed in a small SOT23 5 leadslike
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 wakeup signal and keeps it within
40 s (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
UltraLow Noise: 150 nV/
√
Hz @ 100 Hz, 40 VRMS
100 Hz100 kHz Typical, I
out
= 60 mA, Co = 1.0 F
Fast Response Time from OFF to ON: 40 s 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
PbFree Package May be Available. The GSuffix Denotes a
PbFree 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
V
out
V
in
GND
NC
ON/
OFF
5
1
2
4
3
THIN SOT235
SN SUFFIX
CASE 483
1
5
PIN CONNECTIONS AND
MARKING DIAGRAM
1
3
NC
V
in
2
GND
ON/OFF
4
V
out
5
See detailed ordering and shipping information in the package
dimensions section on page 12 of this data sheet.
ORDERING INFORMATION
L
xx = Version
Y = Year
W = Work Week
(Top View)
http://onsemi.com
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PDF描述 |
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| MC33761SNT1-50 | COMPACT FLASH CARD, 32MB |
| MC33761SNT1-50G | Ultra Low-Noise Low Dropout Voltage Regulator with 1V ON/OFF Control |
| MC33761SNT1-28 | Ultra Low-Noise Low Dropout Voltage Regulator with 1V ON/OFF Control |
| MC33761SNT1-30 | Ultra Low-Noise Low Dropout Voltage Regulator with 1V ON/OFF Control |
| MC34271FB | Internal power supply connectors (C-UL, TUV), Discrete wire connectors; HRS No: 680-1089-7 00; Connector Type: Wire; Contact Gender: Female; Termination Style: Crimping; Contact Mating Area Plating: Tin; Operating Temperature Range (degrees C): -35 to 85; General Description: Female contact |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MC33762DM-2525R2 | 功能描述:低壓差穩(wěn)壓器 - LDO 2.5V 80mA Out Dual RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓（最大值）:307 mV 輸出電流:1 A 負載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| MC33762DM-2525RG | 功能描述:低壓差穩(wěn)壓器 - LDO 2.5V 80mA Out Dual w/Enable Low Noise RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓（最大值）:307 mV 輸出電流:1 A 負載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| MC33762DM-2828R2 | 功能描述:低壓差穩(wěn)壓器 - LDO 2.8V 80mA Out Dual RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓（最大值）:307 mV 輸出電流:1 A 負載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| MC33762DM-2828RG | 功能描述:低壓差穩(wěn)壓器 - LDO 2.8V 80mA Out Dual w/Enable Low Noise RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓（最大值）:307 mV 輸出電流:1 A 負載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| MC33762DM-3030R2 | 功能描述:低壓差穩(wěn)壓器 - LDO 3.0V 80mA Out Dual RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓（最大值）:307 mV 輸出電流:1 A 負載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20 |
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