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參數(shù)資料
| 型號(hào)： | MIC2920A-3.3WS |
| 廠商： | MICREL INC |
| 元件分類： | 基準(zhǔn)電壓源/電流源 |
| 英文描述： | 400mA Low-Dropout Voltage Regulator |
| 中文描述： | 3.3 V FIXED POSITIVE LDO REGULATOR, 0.75 V DROPOUT, PDSO4 |
| 封裝： | LEAD FREE, SOT-223, 4 PIN |
| 文件頁(yè)數(shù)： | 3/12頁(yè) |
| 文件大小： | 415K |
| 代理商： | MIC2920A-3.3WS |
MIC2920A/29201/29202/29204
Absolute Maximum Ratings
Micrel, Inc.
February 2005
3
M9999-021505
Input Supply Voltage .................................................–20V to +60V
Adjust Input Voltage (Notes 9 and 10) .....................–1.5V to +26V
Power Dissipation .................................. Internally Limited,
Note 1
Operating Junction Temperature Range ............ –40°C to +125°C
Lead Temperature (Soldering, 5 seconds) ............................260°C
Storage Temperature Range ............................... –65°C to +150°C
If Military/Aerospace specified devices are required, contact your local
Micrel representative/distributor for availability and specifications.
Operating Ratings
Operating Input Supply Voltage .....................................2V
to 26V
Adjust Input Voltage (Notes 9 and 10) .....................–1.5V to +26V
Shutdown Input Voltage ..........................................–0.3V to +30V
Error Comparator Output Voltage ............–0.3V to +30VOperating
Junction Temperature Range ............................. –40°C to +125°C
Thermal Characteristics:
SOT223 θ
..............................................................15°C/W
TO-220 θ
JC
...................................................................3°C/W
TO-263 θ
...................................................................3°C/W
8-Pin SOIC θ
JA
.............................................................
Note 1
Across the full operating temperature, the minimum input voltage range for
full output current is 4.3V to 26V. Output will remain in-regulation at lower
output voltages and low current loads down to an input of 2V at 25°C.
Electrical Characteristics
Limits in standard typeface are for T
J
= 25°C and limits in boldface apply over the full operating temperature range. Unless otherwise
specified, V
= V
+ 1V, I
= 1mA, C
= 10μF. Adjustable versions are set for an ouptu of 5V. The MIC29202 V
SHUTDOWN
≤ 0.7V. The
eight pin MIC29204 is configured with the Adjust pin tied to the 5V Tap, the Output is tied to Output Sense (V
OUT
SHUTDOWN
≤
0.7V.
Symbol
V
O
Parameter
Output Voltage
Accuracy
Conditions
Variation from factory trimmed V
OUT
Min
-1
-2
-2.5
-1.5
-3
-4
Typ
Max
1
2
2.5
1.5
3
4
100
350
0.10
0.40
0.16
0.30
150
180
600
750
200
300
2
2.5
9
12
15
400
Units
%
1mA ≤ I
L
≤ 400mA, across temp. range
MIC2920A-12 and 29201-12 only
1mA ≤ I
L
≤ 400mA, across temp. range
(Note 2)
V
OUT
> 10V only
V
IN
= V
OUT
+ 1V to 26V
V
O
T
Output Voltage
Temperature Coef.
20
80
0.03
ppm/°C
V
O
V
O
V
O
V
O
V
IN
- V
O
Line Regulation
%
Load Regulation
IL = 1 to 250mA (Note 3)
0.04
%
Dropout Voltage
(Note 4)
I
L
= 1mA
I
= 100mA
V
OUT
> 10V only
I
= 250mA
V
OUT
> 10V only
I
L
= 400mA
100
250
350
370
500
400
mV
I
GND
Ground Pin Current
(Note 5)
I
L
= 1mA
I
L
= 100mA
I
L
= 250mA
I
L
= 400mA
V
IN
= 0.5V less than designed V
OUT
(V
= 3.3V)
I
O
= 1mA
V
= 0V
(Note 6)
(Note 7)
140
1.3
5
13
180
μA
mA
I
GNDDO
Ground Pin Current
at Dropout
(Note 5)
Current Limit
μA
I
LIMIT
425
100
1200
0.2
mA
V
O
P
D
e
n
Thermal Regulation
0.05
%/W
Output Noise Voltage
(10Hz to 100kHz)
IL = 100mA
CL = 10μF
CL = 100μF
400
260
μV RMS
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參數(shù)描述 |
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| MIC2920A-4.8BS | 功能描述:IC REG LDO 4.85V .4A SOT-223 RoHS:否 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - 線性 系列:- 標(biāo)準(zhǔn)包裝:3,000 系列:- 穩(wěn)壓器拓?fù)浣Y(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(biāo)準(zhǔn)）:0.3V @ 80mA 穩(wěn)壓器數(shù)量:1 電流 - 輸出:80mA 電流 - 限制（最小）:- 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(yīng)商設(shè)備封裝:SOT-23-5 包裝:帶卷 (TR) 其它名稱:MIC5203-3.8BM5TRMIC5203-3.8BM5TR-ND |
| MIC2920A-4.8BS TR | 功能描述:IC REG LDO 4.85V .4A SOT-223 RoHS:否 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - 線性 系列:- 標(biāo)準(zhǔn)包裝:3,000 系列:- 穩(wěn)壓器拓?fù)浣Y(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(biāo)準(zhǔn)）: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(yīng)商設(shè)備封裝:SOT-23-5 包裝:帶卷 (TR) 其它名稱:MIC5203-3.8BM5TRMIC5203-3.8BM5TR-ND |
| MIC2920A-4.8BT | 功能描述:IC REG LDO 4.85V .4A TO-220-3 RoHS:否 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - 線性 系列:- 標(biāo)準(zhǔn)包裝:3,000 系列:- 穩(wěn)壓器拓?fù)浣Y(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(biāo)準(zhǔn)）: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(yīng)商設(shè)備封裝:SOT-23-5 包裝:帶卷 (TR) 其它名稱:MIC5203-3.8BM5TRMIC5203-3.8BM5TR-ND |
| MIC2920A-4.8BU | 功能描述:IC REG LDO 4.85V .4A TO-263-3 RoHS:否 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - 線性 系列:- 標(biāo)準(zhǔn)包裝:3,000 系列:- 穩(wěn)壓器拓?fù)浣Y(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(biāo)準(zhǔn)）: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(yīng)商設(shè)備封裝:SOT-23-5 包裝:帶卷 (TR) 其它名稱:MIC5203-3.8BM5TRMIC5203-3.8BM5TR-ND |
| MIC2920A-4.8WT | 功能描述:低壓差穩(wěn)壓器 - LDO 400mA LDO Fixed Volt. (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(dòng)電壓（最大值）:307 mV 輸出電流:1 A 負(fù)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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