參數(shù)資料
型號(hào)： MIC39501-1.8WUTR
廠(chǎng)商： MICREL INC
元件分類(lèi)： 固定正電壓?jiǎn)温份敵鯨DO穩(wěn)壓器
英文描述： 1.8 V FIXED POSITIVE LDO REGULATOR, 0.575 V DROPOUT, PSSO5
封裝： ROHS COMPLIANT, TO-263, 5 PIN
文件頁(yè)數(shù)： 3/10頁(yè)
文件大?。?/td> 1975K
代理商： MIC39501-1.8WUTR
August 2005
3
M9999-082605-B
MIC39500/39501
Absolute Maximum Ratings
(Note 1)
Supply Voltage (V
IN
) .......................................–20V to +20V
Enable Voltage (V
EN
) ..................................................+20V
Storage Temperature (T
S
) ........................ –65°C to +150°C
Lead Temperature (soldering, 5 sec.) ....................... 260°C
ESD,
Note 3
Micrel
Operating Ratings
(Note 2)
Supply Voltage (V
IN
) ................................... +2.25V to +16V
Enable Voltage (V
EN
) ..................................................+16V
Maximum Power Dissipation (P
D(max)
) .....................
Note 4
Junction Temperature (T
J
) ........................ –40°C to +125°C
Package Thermal Resistance
TO-263
(θ
JC
) ........................................................2°C/W
TO-220 (
θ
JC
) ........................................................2°C/W
Electrical Characteristics
T
J
= 25°C,
bold
values indicate –40°C ≤ T
J
≤ +125°C; unless noted
V
OUT
Output Voltage
10mA ≤ I
OUT
≤ 5A, V
OUT
+ 1V ≤ V
IN
≤ 16V
OUT
= 10mA, V
OUT
+ 1V ≤ V
IN
IN
= V
OUT
+ 1V, 10mA ≤ I
OUT
–1
2
100
%
Output Voltage Temp. Coefficient,
20
V
OUT
ppm/°C
Note 5
Note 6
Note 7
Output Noise Voltage
V
DO
I
GND
I
GND(do)
I
OUT(lim)
e
n
μV(rms)
Enable Input (MIC39501)
V
EN
I
IN
OUT
= 250mA, V
OUT
OUT
= 2.5A, V
OUT
OUT
= 5A, V
OUT
I
OU
T
= 2.5A, V
IN
= V
OUT
OUT
= 5A, V
IN
= V
OUT
IN
≤ V
OUT(nominal)
– 0.5V, I
OUT
OUT
= 0V, V
IN
= V
OUT
OUT
= 47μF, I
OUT
C
= 100mA, 10Hz to 100kHz
260
250
575
50
mV
mV
mA
A
Enable Input Current
EN
= V
IN
V
0.8
V
V
μA
μA
μA
2.25
30
75
4
20
EN
V
= 0.8V
I
OUT(shdn)
Flag Output (MIC39501)
I
FLG(leak)
Shutdown Output Current
Note 8
10
Output Leakage Current
OH
V
= 16V
0.01
2
%
V
FLG(do)
Output Low Voltage
IN
= 2.250V, I
OL
, = 250μA,
Note 9
V
180
400
Hysteresis
OUT
93
V
FLG
1
Note 1.
Exceeding the absolute maximum ratings may damage the device.
Note 2.
The device is not guaranteed to function outside its operating rating.
Note 3.
Devices are ESD sensitive. Handling precautions recommended.
Note 4.
P
D(max)
= (T
J(max)
– T )
÷ θ
JA
, where
θ
depends upon the printed circuit layout. See “Applications Information.”
JA
Note 5.
Output voltage temperature coefficient is V
OUT(worst case)
÷
(T
J(max)
– T
J(min)
) where T
J(max)
is +125°C and T
J(min)
is –40°C.
Note 6.
V
= V
– V
when V
decreases to 98% of its nominal output voltage with V
= V
+ 1V. For voltages below 2.25V, Dropout volt-
age is the input-to-output voltage differential with the minimum input voltage being 2.25V. Minimum input operating voltage is 2.25V.
Note 7.
I
GND
is the quiescent current. I
IN
= I
GND
+ I
OUT
.
Note 8.
V
EN
≤ 0.8V, V
IN
≤ 8V, and V
OUT
= 0V
Note 9.
For a 2.5V device, V
IN
= 2.250V (device is in dropout).
Symbol
Parameter
10mA
Typ
1
%
%
Load Regulation
V
/T
Dropout Voltage,
Ground Current,
Current Limit
I
V
Condition
Line Regulation
I
I
I
Dropout Ground Pin Current
I
V
–2
≤ 5A
0.2
1
%
= –2%
7.5
mV
+ 1V
mA
= 10mA
+ 1V
≤ 16V
0.06
0.5
= –2%
= –2%
125
400
15
2.1
+ 1V
mA
Min
Max
Units
320
70
logic high (on)
Enable Input Voltage
logic low (off)
35
μA
2
μA
High Threshold
1% of V
Low Threshold
1% of V
1
μA
μA
mV
%
300
mV
OUT
%
99.2
相關(guān)PDF資料
PDF描述
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MIC39501-2.5BT 功能描述:IC REG LDO 2.5V 5A TO-220-5 RoHS:否 類(lèi)別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - 線(xiàn)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(lèi)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(chēng):MIC5203-3.8BM5TRMIC5203-3.8BM5TR-ND
MIC39501-2.5BU 功能描述:IC REG LDO 2.5V 5A TO-263-5 RoHS:否 類(lèi)別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - 線(xiàn)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(lèi)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(chēng):MIC5203-3.8BM5TRMIC5203-3.8BM5TR-ND
MIC39501-2.5BU TR 功能描述:IC REG LDO 2.5V 5A TO-263-5 RoHS:否 類(lèi)別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - 線(xiàn)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(lèi)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(chēng):MIC5203-3.8BM5TRMIC5203-3.8BM5TR-ND
MIC39501-2.5WT 功能描述:低壓差穩(wěn)壓器 - LDO 5.0A 1.0% Fixed Voltage LDO+Features(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(lèi)型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20
MIC39501-2.5WU 功能描述:低壓差穩(wěn)壓器 - LDO 5.0A 1.0% Fixed Voltage LDO+Features(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(lèi)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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