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參數(shù)資料
| 型號： | MIC2207 |
| 廠商： | Micrel Semiconductor,Inc. |
| 英文描述： | 3mmx3mm 2MHz 3A PWM Buck Regulator |
| 中文描述： | 3mmx3mm 2MHz的3A PWM降壓調(diào)節(jié) |
| 文件頁數(shù)： | 3/21頁 |
| 文件大?。?/td> | 780K |
| 代理商： | MIC2207 |
Micrel
MIC2207
Absolute Maximum Ratings
(1)
Supply Voltage (V
IN
) ............................................ +6V
Output Switch Voltage (V
SW
) ............................... +6V
Output Switch Current (I
SW
)................................. 11A
Logic Input Voltage (V
EN
)......................... -0.3V to V
IN
Storage Temperature (T
s
)................ -60°C to +150°C
ESD Rating
........................................................2kV
Operating Ratings
(2)
Supply Voltage (V
IN
)............................+2.7V to +5.5V
Logic Input Voltage (V
EN
)............................. 0V to V
IN
Junction Temperature (T
J
).............. –40°C to +125°C
Junction Thermal Resistance
3x3 MLF-12L (
θ
JA
)...................................60°C/W
Electrical Characteristics
(4)
V
IN
= V
EN
= 3.6V; L = 1
μ
H; C
OUT
= 4.7
μ
F; T
A
= 25°C, unless noted.
Bold
values indicate –40°C< T
J
< +125°C
Parameter
Condition
Min
2.7
2.45
Typ
Max
5.5
2.65
Units
Supply Voltage Range
V
Under-Voltage Lockout
Threshold
(turn-on)
2.55
V
UVLO Hysteresis
100
mV
Quiescent Current
V
FB
= 0.9 * V
NOM
(not switching)
V
EN
= 0V
±
1% I
LOAD
= 100mA
±
2% (over temperature) I
LOAD
= 100mA
570
900
10
μA
Shutdown Current
2
μA
[Adjustable] Feedback
Voltage
0.99
0.98
1
1.01
1.02
V
FB pin input current
1
nA
Current Limit in PWM Mode
V
FB
= 0.9 * V
NOM
V
OUT
> 2V; V
IN
= V
OUT
+500mV to 5.5V; I
LOAD
= 100mA
V
OUT
< 2V; V
IN
= 2.7V to 5.5V; I
LOAD
= 100mA
20mA < I
LOAD
< 3A
3.5
5
7
A
Output Voltage Line
Regulation
0.07
%
Output Voltage Load
Regulation
0.2
0.5
%
Maximum Duty Cycle
V
FB
≤
0.4V
I
SW
= 50mA V
FB
= 0.7V
FB_NOM
(High Side Switch)
100
%
PWM Switch ON-
Resistance
95
200
300
2.2
1.3
2
m
Oscillator Frequency
1.8
0.5
2
MHz
Enable Threshold
0.85
V
Enable Hysteresis
50
mV
Enable Input Current
0.1
μA
Power Good Range
±7
±10
200
%
Power Good Resistance
I
PGOOD
= 500μA
145
Over-Temperature
Shutdown
160
°
C
Over-Temperature
Hysteresis
20
°
C
Notes:
1. Exceeding the absolute maximum rating may damage the device.
2. The device is not guaranteed to function outside its operating rating.
3. Devices are ESD sensitive. Handling precautions recommended. Human body model: 1.5k
in series with 100pF.
4. Specification for packaged product only.
5. Dropout voltage is defined as the input-to-output differential at which the output voltage drops 2% below its nominal value that is initially
measured at a 1V differential. For outputs below 2.7V, the dropout voltage is the input-to-output voltage differential with a minimum
input voltage of 2.7V.
April 2005
3
M9999-040705
www.micrel.com
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| MIC2207_10 | 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:3mm x 3mm 2MHz 3A PWM Buck Regulator |
| MIC2207YML | 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:3mmx3mm 2MHz 3A PWM Buck Regulator |
| MIC2207YML TR | 功能描述:直流/直流開關(guān)調(diào)節(jié)器 3A 2MHz Integrated Switch Buck Regulator (Lead Free) RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關(guān)頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數(shù)量: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5 |
| MIC2207YML-EV | 功能描述:MIC2207 - DC/DC, Step Down 1, Non-Isolated Outputs Evaluation Board 制造商:microchip technology 系列:- 零件狀態(tài):有效 主要用途:DC/DC，步降 輸出和類型:1，非隔離 功率 - 輸出:- 電壓 - 輸出:1.8V 電流 - 輸出:3A 電壓 - 輸入:2.7 V ~ 5.5 V 穩(wěn)壓器拓?fù)?降壓 頻率 - 開關(guān):2MHz 板類型:完全填充 所含物品:板 使用的 IC/零件:MIC2207 標(biāo)準(zhǔn)包裝:1 |
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