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參數(shù)資料
| 型號(hào)： | MIC5255-3.0BD5 |
| 廠商： | MICREL INC |
| 元件分類： | 固定正電壓?jiǎn)温份敵鯨DO穩(wěn)壓器 |
| 英文描述： | Dual 3A Non-Synchronous Buck Converter with Integrated High Side MOSFET, 600 kHz 14-HTSSOP -40 to 125 |
| 中文描述： | 3 V FIXED POSITIVE LDO REGULATOR, 0.25 V DROPOUT, PDSO5 |
| 封裝： | 1 MM HEIGHT, MO-193, THIN SOT-23, 5 PIN |
| 文件頁(yè)數(shù)： | 8/13頁(yè) |
| 文件大?。?/td> | 948K |
| 代理商： | MIC5255-3.0BD5 |
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Micrel, Inc.
MIC5255
November 2006
4
M9999-110906
Absolute Maximum Ratings
(1)
Supply Voltage (VIN)............................................. 0V to +7V
Enable Voltage (VEN)............................................ 0V to +7V
Power Dissipation (PD)........................... Internally Limited
(3)
Junction Temperature (TJ) ........................–40°C to +125°C
Storage Temperature (Ts) .........................–60°C to +150°C
Lead Temperature (soldering, 5 sec.)........................ 260°C
EDS Rating
(4).................................................................. 2kV
Operating Ratings
(2)
Supply Voltage (VIN)........................................ +2.7V to +6V
Enable Voltage (VEN).............................................. 0V to VIN
Junction Temperature (TJ) ........................–40°C to +125°C
Thermal Resistance
SOT23-5 (
θJA) ..................................................235°C/W
2x2 MLF-6 (
θJA) .................................................90°C/W
Electrical Characteristics
(5)
VIN = VOUT + 1V, VEN = VIN; IOUT = 100A; TJ = 25°C, bold values indicate –40°C ≤ TJ ≤ +125°C; unless noted.
Symbol
Parameter
Condition
Min
Typ
Max
Units
VO
Output Voltage Accuracy
IOUT = 100A
–1
–2
1
2
%
VLNR
Line Regulation
VIN = VOUT + 1V to 6V
0.02
0.05
%/V
VLDR
Load Regulation
IOUT = 0.1mA to 150mA
(6)
1.5
2.5
%
IOUT = 100A
0.1
5
mV
IOUT = 100mA
90
150
mV
VIN – VOUT
Dropout Voltage
(7)
IOUT = 150mA
135
200
250
mV
IQ
Quiescent Current
VEN ≤ 0.4V (shutdown)
0.2
1
A
IOUT = 0mA
90
150
A
IGND
Ground Pin Current
(8)
IOUT = 150mA
117
A
f = 10Hz, COUT = 1.0F, CBYP = 0.01F
60
dB
f = 100Hz, VIN = VOUT +1
60
dB
PSRR
Ripple Rejection
f = 10kHz, VIN = VOUT +1
50
dB
ILIM
Current Limit
VOUT = 0V
160
425
mV
en
Output Voltage Noise
COUT = 1.0F, CBYP = 0.01F,
f = 10Hz to 100kHz
30
V(rms)
Enable Input
VIL
Enable Input Logic-Low Voltage
VIN = 2.7V to 5.5V, regulator shutdown
0.4
V
VIH
Enable Input Logic-High Voltage
VIN = 2.7V to 5.5V, regulator enabled
1.6
V
VIL ≤ 0.4V, regulator shutdown
0.01
A
IEN
Enable Input Current
VIH ≥ 1.6V, regulator enabled
0.01
A
Shutdown Resistance Discharge
500
Thermal Protection
Thermal Shutdown Temperature
150
°C
Thermal Shutdown Hysteresis
10
°C
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