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參數資料
| 型號： | MC33565D |
| 廠商： | ON SEMICONDUCTOR |
| 元件分類： | 基準電壓源/電流源 |
| 英文描述： | Single Output LDO, 400mA, Fixed(3.0V), Low Noise, Fast Transient Response 5-SOT-23 -40 to 85 |
| 中文描述： | 3.3 V FIXED POSITIVE LDO REGULATOR, PDSO8 |
| 封裝： | SOIC-8 |
| 文件頁數： | 1/8頁 |
| 文件大?。?/td> | 88K |
| 代理商： | MC33565D |
SEMICONDUCTOR
TECHNICAL DATA
200 mA INTELLIGENT LDO
REGULATOR WITH SMART
BYPASS CONTROL
Order this document by MC33565/D
D SUFFIX
PLASTIC PACKAGE
CASE 751–06
(SO–8)
Pins 2 and 5 Not Connected
8
1
+5 Vin
N/C
+3.3 Vin
Gnd
Drive out
+3.3 Vout
Sense in
N/C
1
2
3
4
8
7
6
5
MC33565
Device
Type
Package
ORDERING INFORMATION
MC33565D
3.3V
SO–8
1
MOTOROLA ANALOG IC DEVICE DATA
The MC33565 Low Dropout Regulator is designed for computer
peripheral card applications complying with the instantly available
requirementsas specified by ACPI objectives. The MC33565 permits
glitch–free transitions from “sleep” to “active” system modes and has internal
logic circuitry to detect whether the system is being powered from the
motherboard main 5V power supply or the 3.3V aux supply.
The MC33565 provides a regulated output voltage of 3.3V via either an
internal low drop out 5.0V–to–3.3V voltage regulator or an external P–channel
MOSFET, depending on the operating status of the system in which the card is
installed. During normal operating mode (5V main supply available) the 3.3V
output is provided from the internal low dropout regulator at an output current
of 200mA. When the motherboard enters sleep mode, the MC33565 operates
from the 3.3V aux supply and routes the aux current to the output via the
external P–channel MOSFET bypass transistor controlled by the drive outpin.
As a result, the output voltage provided to the peripheral card remains
constant at 3.3V even during transitions to and from sleep mode.
MC33565 Features:
Output Regulated to 2% Over Temperature
Output current up to 200mA
Excellent Line and Load Regulation
Low Dropout Voltage
Prevents reverse current flow during sleep mode
Glitch–free transfer from sleep mode to active mode
Compatible with Instantly AvailablePC systems
Evaluation Kit Available: (P.N. MC33565EVK)
Simplified Block Diagram
Vref
Compensation
&
Hysteresis
+5 Vin
Ref &
Detect
5V detect
Comp
Driver
Drive out
+3.3 Vout
Sense in
+3.3 Vin
Hyst sw
External
P–channel
MOSFET
+3.3 Vout
External
4.7
μ
F
cap
LDO
Motorola, Inc. 1999
Rev 0, 6/99
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相關代理商/技術參數 |
參數描述 |
|---|---|
| MC33565DG | 功能描述:低壓差穩壓器 - LDO 3.3V 200mA w/Sleep And Active Mode 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 負載調節:0.3 % 輸出端數量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| MC33565DMR2 | 功能描述:低壓差穩壓器 - LDO 3.3V 200mA w/Sleep 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 負載調節:0.3 % 輸出端數量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| MC33565DMR2G | 功能描述:低壓差穩壓器 - LDO 3.3V 200mA w/Sleep And Active Mode 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 負載調節:0.3 % 輸出端數量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| MC33565DR2 | 功能描述:低壓差穩壓器 - LDO 3.3V 200mA w/Sleep 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 負載調節:0.3 % 輸出端數量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| MC33565DR2G | 功能描述:低壓差穩壓器 - LDO 3.3V 200mA w/Sleep And Active Mode 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 負載調節:0.3 % 輸出端數量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-20 |
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