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參數(shù)資料
| 型號： | MIC49300 |
| 廠商： | Micrel Semiconductor,Inc. |
| 元件分類： | 基準電壓源/電流源 |
| 英文描述： | 3.0A LOW VOLTAGE LDO REGULATOR W/DUAL INPUT VOLTAGES |
| 中文描述： | 3.0A的低電壓LDO穩(wěn)壓器瓦/雙輸入電壓 |
| 文件頁數(shù)： | 3/8頁 |
| 文件大?。?/td> | 68K |
| 代理商： | MIC49300 |
October 2003
3
MIC49300
MIC49300
Absolute Maximum Ratings
(Note 1)
Supply Voltage (V
IN
) .......................................................8V
Bias Supply Voltage (V
BIAS
)............................................8V
Enable Input Voltage (V
EN
) .............................................8V
Power Dissipation .................................... Internally Limited
ESD Rating,
Note 3
......................................................2kV
Micrel
Electrical Characteristics
T
A
= 25
°
C with V
BIAS
= V
OUT
+2.1V; V
IN
= V
OUT
+ 1V;
bold
values indicate –40
°
C < T
J
< +125
°
C,
Note 4
; unless otherwise specified.
Parameter
Conditions
Min
Typ
Max
Units
Output Voltage Accuracy
At 25
°
C, fixed voltage options
Over temperature range
–1
–2
+1
+2
%
%
Line Regulation
V
IN
= 2.0V to 6.5V
I
L
= 0mA to 3A
I
L
= 1.5A
I
L
= 3A
I
L
= 3A
–0.1
0.01
+0.1
%/V
Load Regulation
0.2
0.5
%
Dropout Voltage (V
IN
– V
OUT
)
125
200
mV
280
400
mV
Dropout Voltage (V
BIAS
– V
OUT
)
Note 4
1.5
2.1
V
Ground Pin Current,
Note 5
I
L
= 0mA
I
L
= 3A
V
EN
≤
0.6V, (I
BIAS
+ I
CC
),
Note 6
I
L
= 0mA
I
L
= 3A
V
OUT
= 0V
25
mA
25
50
mA
Ground Pin Current in Shutdown
0.07
5
μ
A
Current thru V
BIAS
20
35
mA
50
150
mA
Current Limit
6.5
9
A
Enable Input, Note 6
Enable Input Threshold
(Fixed Voltage only)
Regulator enable
Regulator shutdown
1.6
V
V
0.6
Enable Pin Input Current
0.1
1.0
μ
A
Reference
Reference Voltage
Adjustable option only
0.891
0.882
0.9
0.909
0.918
V
V
Note 1.
Note 2.
Note 3.
Note 4.
Note 5.
Note 6.
Exceeding the absolute maximum rating may damage the device.
The device is not guaranteed to function outside its operating rating.
Devices are ESD sensitive. Handling precautions recommended. Human body model, 1.5k in series with 100pF.
For V
OUT
≤
1V, V
BIAS
dropout specification does not apply due to a minimum 3V V
BIAS
input.
I
GND
= I
BIAS
+ (I
IN
– I
OUT
). At high loads, input current on V
IN
will be less than the output current, due to drive current being supplied by V
BIAS
.
Fixed output voltage versions only.
Operating Ratings
(Note 2)
Supply Voltage (V
IN
) ....................................... 1.4V to 6.5V
Bias Supply Voltage (V
BIAS
)............................... 3V to 6.5V
Enable Input Voltage (V
EN
) .................................. 0V to V
IN
Junction Temperature Range............. –40
°
C
≤
T
J
≤
+125
°
C
Package Thermal Resistance
S-PAK
(
θ
JC
)............................................................2
°
C/W
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MIC49300_05 | 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:3.0A Low Voltage LDO Regulator w/Dual Input Voltages |
| MIC49300-0.9BR | 功能描述:IC REG LDO 0.9V 3A SPAK-5 RoHS:否 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - 線性 系列:- 標準包裝:3,000 系列:- 穩(wěn)壓器拓撲結(jié)構(gòu):正，固定式 輸出電壓:3.8V 輸入電壓:最高 16V 電壓 - 壓降（標準）:0.3V @ 80mA 穩(wěn)壓器數(shù)量:1 電流 - 輸出:80mA 電流 - 限制（最?。?- 工作溫度:-40°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:SC-74A，SOT-753 供應商設備封裝:SOT-23-5 包裝:帶卷 (TR) 其它名稱:MIC5203-3.8BM5TRMIC5203-3.8BM5TR-ND |
| MIC49300-0.9BR TR | 功能描述:IC REG LDO 0.9V 3A SPAK-5 RoHS:否 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - 線性 系列:- 標準包裝:3,000 系列:- 穩(wěn)壓器拓撲結(jié)構(gòu):正，固定式 輸出電壓:3.8V 輸入電壓:最高 16V 電壓 - 壓降（標準）:0.3V @ 80mA 穩(wěn)壓器數(shù)量:1 電流 - 輸出:80mA 電流 - 限制（最?。?- 工作溫度:-40°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:SC-74A，SOT-753 供應商設備封裝:SOT-23-5 包裝:帶卷 (TR) 其它名稱:MIC5203-3.8BM5TRMIC5203-3.8BM5TR-ND |
| MIC49300-0.9WR | 功能描述:低壓差穩(wěn)壓器 - LDO Dual Supply, LV 3.0A LDO(ROHS Compliant) 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 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| MIC49300-0.9WR TR | 功能描述:低壓差穩(wěn)壓器 - LDO Dual Supply, LV 3.0A LDO(ROHS Compliant) 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 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-20 |
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