MIC2810_08 Datasheet, PDF (6/18 Pages) Micrel Semiconductor – Digital Power Management IC 2MHz, 600mA DC/DC w/Dual 300mA/300mA Low VIN LDOs

Micrel, Inc.
MIC2810
Electrical Characteristics – LDO1/LDO2
V_IN1 = V_IN2 = V_OUTLDO1 + 1.0V or V_IN1 = V_IN2 = V_OUTLDO2 + 1.0V; EN = GND; EN1 = EN2 = V_IN1 = V_IN2; C_LDO1 = C_LDO2 = 2.2µF;
I_OUTLDO1 = 100µA; T_J = 25°C, bold values indicate –40°C< T_J < +125°C; unless noted.
Parameter
Conditions
Min Typ Max Units
LOWQ = High (Full Power Mode)
Output Voltage Accuracy
Variation from nominal V_OUT
Variation from nominal V_OUT; –40°C to +125°C
Line Regulation
V_IN = V_OUT +1V to 5.5V
Load Regulation
Dropout Voltage
Ripple Rejection
Current Limit
Output Voltage Noise
I_OUT = 100µA to 150mA
I_OUT = 100µA to 200mA
I_OUT = 100µA to 300mA
I_OUT = 150mA
I_OUT = 200mA
I_OUT = 300mA
f = up to 1kHz
V_OUT = 0V
10Hz to 100kHz
LOWQ = Low (Light Load Mode)
Output Voltage Accuracy
Variation from nominal V_OUT
Variation from nominal V_OUT; –40°C to +125°C
Line Regulation
V_IN = V_OUT +1V to 5.5V
Load Regulation
Dropout Voltage
I_OUT = 100µA to 10mA
I_OUT = 10mA
Ripple Rejection
Current Limit
f = up to 1kHz
V_IN = 2.7V; V_OUT = 0V
–2
+2
%
–3
+3
%
0.02
0.3
%/V
0.6
0.20
%
0.25
%
0.40
1.5
%
70
mV
94
mV
142
300
mV
35
dB
400 600
850
mA
91
µV_RMS
–3
+3
%
–4
+4
%
0.02
0.3
%/V
0.6
0.2
1.0
%
22
35
mV
50
mV
35
dB
50
85
125
mA
Notes:
1. Exceeding the absolute maximum rating may damage the device.
2. The device is not guaranteed to function outside its operating rating.
3. The maximum allowable power dissipation of any T_A (ambient temperature) is P_D(max) = (T_J(max) – T_A) / θ_JA. Exceeding the maximum allowable power
dissipation will result in excessive die temperature, and the regulator will go into thermal shutdown.
4. Devices are ESD sensitive. Handling precautions recommended. Human body model, 1.5k in series with 100pF.
5. Specification for packaged product only.
February 2008
6
M9999-022008-C