參數(shù)資料
型號(hào): MIC4720BML
廠商: Micrel Semiconductor,Inc.
英文描述: 400 W Transient Voltage Suppressor, SOD123W (SOD2 FlatPower), Reel Pack, SMD
中文描述: 采用3mm x 3mm 2.0MHz甲集成開(kāi)關(guān)降壓穩(wěn)壓器
文件頁(yè)數(shù): 4/21頁(yè)
文件大小: 914K
代理商: MIC4720BML
Micrel, Inc.
MIC4720
Absolute Maximum Ratings
(1)
May 2007
4
M9999-051707
Supply Voltage (V
IN
).......................................................+6V
Output Switch Voltage (V
SW
)..........................................+6V
Output Switch Current (
SW
).............................................11A
Logic Input Voltage (V
EN
) ..................................–0.3V to V
IN
Storage Temperature (T
s
) .........................–60°C to +150°C
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
3mm×3mm MLF-12 (
θ
JA
)...................................60°C/W
3mm×3mm MLF-12 (
θ
JC
)...................................10°C/W
10 pin ePad MSOP (
θ
JA
)....................................76°C/W
10 pin ePad MSOP (
θ
JC
)....................................28°C/W
Electrical Characteristics
(3)
V
IN
= V
EN
= 3.6V; L = 1μH; C
OUT
= 4.7μF; T
A
= 25°C, unless noted.
Bold
values indicate –40°C< T
J
< +125°C.
Parameter
Condition
Min
Typ
Max
Units
Supply Voltage Range
2.7
5.5
V
Under-Voltage Lockout Threshold
(turn-on)
2.45
2.55
2.65
V
UVLO Hysteresis
100
mV
Quiescent Current
V
FB
= 0.9 × V
NOM
(not switching)
V
EN
= 0V
±
2% (over temperature) I
LOAD
= 100mA
570
900
μA
Shutdown Current
2
10
μA
[Adjustable] Feedback Voltage
0.98
1.02
V
FB pin input current
1
nA
Current Limit
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
< 2A
V
FB
0.4V
I
SW
= 200mA V
FB
= GND (High Side Switch)
3.5
5
A
Output Voltage Line Regulation
0.07
%
Output Voltage Load Regulation
0.2
%
Maximum Duty Cycle
100
%
Switch ON-Resistance
95
200
300
m
Oscillator Frequency
1.8
2.0
2.2
MHz
Enable Threshold
0.5
0.85
1.3
V
Enable Hysteresis
50
mV
Enable Input Current
0.1
2.3
μA
Power Good Range
±7
±10
%
Power Good Resistance
I
PGOOD
= 500μA
150
250
Over-Temperature Shutdown
160
°
C
°
C
Over-Temperature Hysteresis
25
Notes
:
1. Exceeding the absolute maximum rating may damage the device.
2. The device is not guaranteed to function outside its operating rating.
3. Specification for packaged product only.
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