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參數(shù)資料
| 型號(hào)： | MIC38300HYHL |
| 廠商： | MICREL INC |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 3A SuperLNR⑩ Low Noise High Efficiency Regulator |
| 中文描述： | 5 A SWITCHING REGULATOR, QCC28 |
| 封裝： | 4 X 6 MM, 0.90 MM HEIGHT, LEAD FREE, MLF-28 |
| 文件頁數(shù)： | 4/10頁 |
| 文件大?。?/td> | 555K |
| 代理商： | MIC38300HYHL |
Micrel, Inc.
MIC38300
Absolute Maximum Ratings
(1)
July 2007
4
M9999-070607
(408) 944-0800
Supply Voltage (V
IN
).........................................................6V
Output Switch Voltage (V
SW
) ...........................................6V
Output Switch Current (I
SW
) .............................................8A
LDO Output Voltage (V
OUT
) .............................................6V
Logic Input Voltage (V
EN
, V
LQ
)..........................VIN to –0.3V
Power Dissipation ..................................Internally Limited
(3)
Storage Temperature (T
S
)...................–65°C
≤
T
J
≤
+150°C
ESD Rating
.................................................................2kV
Operating Ratings
(2)
Supply voltage (V
IN
)...................................... 3.0V to 5.5V
Junction Temperature Range ........ –40°C
≤
T
J
≤
+125°C
Enable Input Voltage (V
EN
) .................................0V to V
IN
Package Thermal Resistance
4mm × 6mm MLF-28 (
θ
JA
) .............................40°C/W
Electrical Characteristics
(5)
T
A
= 25°C with V
IN
= V
EN
= 5V; V
EN
= V
IN
; I
OUT
= 10mA, V
OUT
= 1.8V.
Bold
values indicate –40°C
≤
T
J
≤
+125°C, unless noted.
Parameter
Conditions
Supply Voltage Range
Min
3.0
Typ
Max
5.5
Units
V
Under-Voltage Lockout Threshold
Turn-on
2.75
V
UVLO Hysteresis
100
mV
LDO Quiescent Current
I
OUT
= 0A,
V
OUT
to 5% of regulation, I I
LOAD
= 3A
V
EN
= 0V
±1%
±2.5%
I
LOAD
= 3.0A
V
FB
= 0.9×V
NOM
V
OUT
= 1.8V, 10mA to 3A
V
OUT
= 1.8V, V
IN
from 3.0V to 5.5V
I
LOAD
= 2A, C
OUTLDO
= 20μF, C
OUTSW
= 20μF
LPF=25k
1
mA
Turn-on Time
200
350
μs
Shutdown Current
35
50
1.01
1.025
1
1.2
1
0.5
μA
Feedback Voltage
0.99
0.975
4.5
1
1
6
0.3
0.35
V
V
μA
V
A
%
%/V
Feedback Current
V
IN
– V
O
; Dropout Voltage
Current Limit
Output Voltage Load Regulation
Output Voltage Line Regulation
Output Ripple
5
mV
Over-Temperature Shutdown
Over-Temperature Shutdown
Hysteresis
Enable Input
Enable Input Threshold
Enable Hysteresis
Enable Input Current
150
20
°C
°C
Regulator enable
0.90
20
1
1.1
200
V
mV
μA
120
0.01
Notes:
1.
2.
3.
Exceeding the absolute maximum rating may damage the device.
The device is not guaranteed to function outside its operating rating.
The maximum allowable power dissipation of any T
A
(ambient temperature) is P
D(max)
= (T
J(max)
– T
A
) /
θ
JA
. Exceeding the maximum allowable power
dissipation will result in excessive die temperature, and the regulator will go into thermal shutdown.
Devices are ESD sensitive. Handling precautions recommended. Human body model, 1.5k in series with 100pF.
Specification for packaged product only.
4.
5.
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