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MIC2602

更新时间： 2023-12-06 20:11:24
品牌 Logo 应用领域
美国微芯 - MICROCHIP /
页数 文件大小 规格书
13页 376K
描述
The MIC2601/2 is a 1.2MHz/2MHz, PWM DC/DC boost switching regulator. High power density is achieve

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MIC2602 数据手册

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Micrel, Inc.  
MIC2601/2  
Absolute Maximum Ratings(1)  
Operating Ratings(2)  
Supply Voltage (VIN).......................................................22V  
Switch Voltage (VSW)....................................... –0.3V to 40V  
Enable Voltage (VEN).........................................–0.3V to VIN  
FB Voltage (VFB)...............................................................6V  
Ambient Storage Temperature (Ts)...........–65°C to +150°C  
Lead Temperature (soldering 10sec)......................... 260°C  
ESD Rating.....................................................................2kV  
Supply Voltage (VIN).......................................... 4.5V to 20V  
Enable Voltage (VEN)............................................ 0V to 20V  
Junction Temperature (TJ) ........................–40°C to +125°C  
Junction Thermal Resistance  
2mm x 2mm MLF-8 (θJA) ...................................90°C/W  
2mm x 2mm MLF-8 (θJC) ...................................45°C/W  
Electrical Characteristics(3)  
TA = 25°C, VIN = VEN = 12V; unless otherwise noted. Bold values indicate –40°C ≤ TJ ≤ +125°C.  
Symbol  
VIN  
Parameter  
Condition  
Min  
Typ  
Max  
Units  
V
Input Voltage Range  
Internal Regulated Voltage  
Under-voltage Lockout  
Quiescent Current  
Shutdown Current  
Feedback Voltage  
4.5  
20  
VDD  
Note 4  
6.0  
2.1  
V
VULVO  
IQ  
For VDD  
1.8  
2.4  
6
V
VFB = 2V (not switching)  
4.2  
mA  
µA  
V
ISD  
VEN = 0V, Note 5  
0.08  
1.26  
2
VFB  
(±2%)  
1.235  
1.285  
1.298  
(±3%) (over temperature)  
VFB = 1.25V  
1.222  
V
IFB  
Feedback Input Current  
Line Regulation  
–550  
0.04  
0.1  
nA  
%
8V ≤ VIN ≤ 14V, VOUT = 18V  
5mA ≤ IOUT ≤ 400mA, VOUT = 18V, Note 6  
1
Load Regulation  
%
SSR  
Internal Soft Start Resistor  
Maximum Duty Cycle  
15  
kΩ  
%
DMAX  
MIC2601  
85  
80  
MIC2602  
%
ISW  
Switch Current Limit  
Switch Saturation Voltage  
Switch Leakage Current  
Enable Threshold  
Note 6  
1.2  
1.7  
500  
0.01  
A
VSW  
ISW  
ISW = 1.2A  
VEN = 0V, VSW = 18V  
Turn ON  
mV  
µA  
V
5
VEN  
1.5  
Turn OFF  
VEN = 12V  
0.3  
40  
V
IEN  
Enable Pin Current  
18.5  
1.12  
1.92  
15  
µA  
MHz  
MHz  
%
fSW  
Oscillator Frequency (MIC2601)  
Oscillator Frequency (MIC2602)  
Output Over-voltage Protection  
1.02  
1.7  
10  
1.38  
2.3  
20  
VOVP  
TJ  
15% Over programmed VOUT (rising)  
Hysteresis  
Over-temperature Threshold  
Shutdown  
150  
10  
°C  
°C  
Notes:  
1. Absolute maximum ratings indicate limits beyond which damage to the component may occur. Electrical specifications do not apply when operating  
the device outside of its operating ratings. The maximum allowable power dissipation is a function of the maximum junction temperature, TJ(Max), the  
junction-to-ambient thermal resistance, θ JA, and the ambient temperature, TA. The maximum allowable power dissipation will result in excessive die  
temperature, and the regulator will go into thermal shutdown.  
2. The device is not guaranteed to function outside its operating rating.  
3. Specification for packaged product only.  
4. Connect VDD pin to VIN pin when VIN ≤ 7V.  
5. ISD = IVIN  
.
6. Guaranteed by design.  
M9999-090909-A  
September 2009  
3
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