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MIC23060 Datasheet, PDF (3/15 Pages) Micrel Semiconductor – Sequenced Power Management IC with HyperLight Load™ DC/DC and Dual Input LDO™
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Micrel, Inc.
MIC23060
Absolute Maximum Ratings(1)
Supply Voltage (VAVIN, VDVIN).................................. 0V to 6V
Switch Voltage (VSW).............................................. 0V to 6V
Switch Current (ISW) .........................................................2A
Logic Input Voltage (VS1/2/3).......................... 0V to VIN+0.3V
Lead Temperature (soldering, 10sec.)....................... 260°C
Storage Temperature (Ts)..........................-65°C to +150°C
ESD Rating(4)................................................. ESD Sensitive
Operating Ratings(2)
Supply Voltage (VAVIN, VDVIN)........................ +2.7V to +5.5V
Output Voltage (VLDO).......................................... 0V to 5.5V
Logic Input Voltage (VS1/2/3).................................... 0V to VIN
Ambient Temperature (TJ)(3)...................... –40°C to +125°C
Thermal Resistance
2.5mmx2.5mm Thin MLF-12L (θJA) ...................66°C/W
2.5mmx2.5mm Thin MLF-12L (θJC) ...................37°C/W
Electrical Characteristics(5)
VAVIN = VDVIN = 3.6V; IDC-DC = 20mA, ILDO = 100µA; L = 2.2µH; COUT = 4.7µF; COUTLDO = 1µF; TA = 25°C.
Bold values indicate –40°C≤ TJ ≤ +125°C, unless noted.
Parameter
Condition
Min
Supply Voltage Range
2.7
Under-Voltage Lockout Threshold (Rising)
2.45
UVLO Hysteresis
Total Quiescent Current
VS1/2 = High
DLY Pin Current Source
VDLY = 0V
0.75
DLY Pin Threshold Voltage
S1/S2/S3 Input Voltage
Logic Low
Logic High
1.2
S1/S2/S3 Input Current
VIL = < 0.2V
VIH = >1.2V
DC/DC Converter
Quiescent Current, Hyper LL mode IOUT = 0mA
Shutdown Current
S1 = S2 = S3 = 0V
Output Voltage Accuracy
Nominal VOUT tolerance
-2.5
Current Limit in PWM Mode
Output Voltage Line regulation
Output Voltage Load regulation
PWM Switch ON-Resistance
Frequency
Soft-start time
Thermal Shutdown
Thermal Shutdown Hysteresis
VAVIN = VDVIN = 3.0V to 5.5V, ILOAD = 20mA
20mA < ILOAD DC/DC < 300mA
IOUT LDO = 0mA
ISW = 100mA PMOS
ISW = -100mA NMOS
ILOAD DC/DC = 170mA, VOUT = 1.8V
VOUT = 0 to 90%, VAVIN = VDVIN = 3.6V
0.65
Typ
2.55
50
43
1.25
1.25
0.01
0.01
25
0.01
1
0.7
0.5
0.55
0.6
4
280
160
20
Max
5.5
2.65
1.75
0.2
1
1
35
5
+2.5
1.7
Units
V
V
mV
µA
µA
V
V
µA
µA
µA
µA
%
A
%
%
Ω
MHz
µs
oC
oC
April 2010
3
M9999-042210-B
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