MIC2810-4MSYML 데이터 시트보기 (PDF) - Micrel
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MIC2810-4MSYML Datasheet PDF : 18 Pages
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Micrel, Inc.
MIC2810
Electrical Characteristics - DC/DC Converter
VIN = VOUTDC/DC + 1; EN = VIN; EN2 = EN1 = GND; IOUTDC/DC = 100mA ;L = 2.2µH; COUTDC/DC = 2.2µF; TJ = 25°C,
bold values indicate –40°C to + 125°C; unless noted.
Parameter
Conditions
Min Typ Max
LOWQ = High (Full Power Mode)
Fixed Output Voltages
Nominal VOUT tolerance
Output Voltage Line Regulation
Output Voltage Load Regulation
Maximum Duty Cycle
PWM Switch ON-Resistance
Oscillator Frequency
Current Limit in PWM Mode
VOUT > 2.4V; VIN = VOUT + 300mV to 5.5V, ILOAD= 100mA
VOUT < 2.4V; VIN = 2.7V to 5.5V, ILOAD= 100mA
20mA < ILOAD < 600mA
VFB ≤ 0.4V
ISW = 150mA VFB = 0.7VFB_NOM PMOS
ISW = -150mA VFB = 1.1VFB_NOM NMOS
VFB = 0.9*VNOM
–2
+2
–3
+3
0.2
0.1
100
0.5
0.6
1.8
2
2.2
0.75
1
1.6
LOWQ = Low (Light Load Mode)
Output Voltage Accuracy
Variation from nominal VOUT
Variation from nominal VOUT; –40°C to +125°C
Line Regulation
VIN = VOUT + 1V to 5.5V; IOUT = 100µA
Load Regulation
Ripple Rejection
Current Limit
IOUT = 100µA to 50mA
f = up to 1kHz
VOUT = 0V
–2
+2
–3
+3
0.02
0.3
0.6
0.4
1.5
45
80
120
220
Output Voltage Noise
10Hz to 100KHz
53
Units
%
%
%/V
%
%
Ω
Ω
MHz
A
%
%
%/V
%/V
%
dB
mA
µVRMS
February 2008
5
M9999-022008-C
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