参数资料
型号: MIC2810-1.2/1.8/2.6YML
厂商: MICREL INC
元件分类: 电源管理
英文描述: 1-CHANNEL POWER SUPPLY SUPPORT CKT, QCC16
封装: 3 X 3 MM, MLF-16
文件页数: 14/18页
文件大小: 508K
代理商: MIC2810-1.2/1.8/2.6YML
Micrel, Inc.
MIC2810
April 2007
5
M9999-041107-B
Electrical Characteristics - DC/DC Converter
VIN = VOUTDC/DC + 1; EN = VIN; EN2 = EN1 = GND; IOUTDC/DC = 100mA ;L = 2.2H; COUTDC/DC = 2.2F; TJ = 25°C,
bold values indicate –40°C to + 125°C; unless noted.
Parameter
Conditions
Min
Typ
Max
Units
LOWQ = High (Full Power Mode)
Fixed Output Voltages
Nominal VOUT tolerance
–2
–3
+2
+3
%
Output Voltage Line Regulation
VOUT > 2.4V; VIN = VOUT + 300mV to 5.5V, ILOAD= 100mA
VOUT < 2.4V; VIN = 2.7V to 5.5V, ILOAD= 100mA
0.2
%/V
Output Voltage Load Regulation
20mA < ILOAD < 600mA
0.1
%
Maximum Duty Cycle
VFB ≤ 0.4V
100
%
PWM Switch ON-Resistance
ISW = 150mA VFB = 0.7VFB_NOM PMOS
ISW = -150mA VFB = 1.1VFB_NOM NMOS
0.5
0.6
Oscillator Frequency
1.8
2
2.2
MHz
Current Limit in PWM Mode
VFB = 0.9*VNOM
0.75
1
1.6
A
LOWQ = Low (Light Load Mode)
Variation from nominal VOUT
–2
+2
%
Output Voltage Accuracy
Variation from nominal VOUT; –40°C to +125°C
–3
+3
%
Line Regulation
VIN = VOUT + 1V to 5.5V; IOUT = 100A
0.02
0.3
0.6
%/V
Load Regulation
IOUT = 100A to 50mA
0.4
1.5
%
Ripple Rejection
f = up to 1kHz
45
dB
Current Limit
VOUT = 0V
80
120
220
mA
Output Voltage Noise
10Hz to 100KHz
53
VRMS
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