826D9 데이터 시트보기 (PDF) - Micrel
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826D9 Datasheet PDF : 27 Pages
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Micrel, Inc.
MIC2826
Electrical Characteristics - LDO1, LDO2, and LDO3
DVIN = EN = LDO1IN = LDO23IN = 3.6V; DC-DC disabled; LDO COUT =1µF, LDO IOUT = 100µA, TA = 25°C, unless
otherwise specified. Bold values indicate -40°C≤TJ≤+125°C.
Parameter
Conditions
Min Typ Max Units
Output Voltage Accuracy
Variation from nominal VOUT
-3.0
+3.0
%
Input voltage
IOUT = 100µA to 150mA;
2
V
IOUT = 100µA to 100mA; -20°C to +100°C
1.74
V
Output Voltage DVS Range
Adjustable through I²C Registers
0.8
3.3
V
Line Regulation
LDO1IN, LDO23IN = VOUT +1V to 5.5V; IOUT = 100µA
0.014 0.1
%/V
Load Regulation
IOUT = 100µA to 75mA
4
mV
Dropout Voltage
IOUT = 50mA; VOUT = 2V
IOUT = 150mA; VOUT = 2V
IOUT = 50mA; VOUT = 3V
IOUT = 150mA; VOUT = 3V
70
mV
200
350
mV
50
mV
150
mV
Ground Pin Current
EN = DVIN
1 LDO enabled
50
µA
2 LDOs enabled
83
µA
3 LDOs enabled
116
µA
Ripple Rejection
f = up to 1kHz; COUT = 1µF; VOUT = 2.5V
f = 1kHz - 10kHz; COUT = 1µF VOUT = 2.5V
65
dB
45
dB
Current Limit
VOUT = 0V
190 400
550
mA
Output Voltage Noise
COUT = 1µF,10Hz to 100kHz
45
µVRMS
Auto-Discharge NFET
resistance
280
Ω
Electrical Characteristics – I2C Interface
DVIN = EN = 3.6V, TA = 25°C, unless otherwise specified. Bold values indicate -40°C≤TJ≤+125°C.
Parameter
Conditions
Min Typ Max Units
LOW-Level Input Voltage
0.2
V
HIGH-Level Input Voltage
1.2
V
SDA Pull-down resistance
Open drain pull-down on SDA during read back
80
Ω
IRQb Pull-down resistance
Open drain pull-down
55
Ω
July 2009
6
M9999-071609-A
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