MCP1256/7/8/9
AC CHARACTERISTICS
Electrical Specifications: Unless otherwise indicated, all limits apply for VIN = 1.8V to 3.6V, SHDN = VIN, CIN = COUT = 10 μF,
C1 = C2 = 1 μF, IOUT = 10 mA, TJ = -40°C to +125°C. Typical values are at TJ = +25°C.
Parameters
Sym
Min
Typ
Max Units
Conditions
ALL DEVICES
Internal Oscillator Frequency
Output Voltage Ripple,
Normal Operation
VOUT Wake-up Time From
Shutdown
MCP1256 and MCP1257
Output Voltage Ripple,
SLEEP Mode
MCP1258 and MCP1259
VOUT Wake-up Time From
BYPASS
FOSC
VRIP
TWKUP
VRIP
TWKUP
—
650
—
kHz
—
5
—
mVp-p COUT = 10 μF, IOUT = 10 mA
—
20
—
mVp-p COUT = 10 μF, IOUT = 100 mA
—
12
—
mVp-p COUT = 2.2 μF, IOUT = 10 mA
—
55
—
mVp-p COUT = 2.2 μF, IOUT = 100 mA
—
175
—
μs VIN = 3.0V, IOUT = 10 mA,
SHDN = VIH(MIN),
VOUT from 0 to 90% Nominal Regulated
Output Voltage
—
40
—
mVp-p COUT = 10 μF, IOUT = 0.1 mA
—
60
—
mVp-p COUT = 10 μF, IOUT = 4 mA
—
40
—
mVp-p COUT = 2.2 μF, IOUT = 0.1 mA
—
60
—
mVp-p COUT = 2.2 μF, IOUT = 4 mA
—
150
—
μs VIN = 3.0V, IOUT = 10 mA,
SHDN = VIH(MIN),
VOUT from 0 to 90% Nominal Regulated
Output Voltage
TEMPERATURE SPECIFICATIONS
Electrical Specifications: Unless otherwise indicated, all limits apply for VIN = 1.8V to 3.6V, SHDN = VIN, CIN = COUT = 10 μF,
C1 = C2 = 1 μF, IOUT = 10 mA, TJ = -40°C to +125°C. Typical values are at TJ = +25°C.
Parameters
Sym
Min
Typ
Max
Units
Conditions
Temperature Ranges
Specified Temperature Range
Operating Temperature Range
Storage Temperature Range
Thermal Package Resistances
Thermal Resistance, 10-Lead, MSOP
Thermal Resistance, 10-Lead, DFN
3 mm x 3 mm
TJ
-40
—
+125
°C
TJ
-40
—
+125
°C
TA
-65
—
+150
°C
θJA
—
200
—
°C/W 4-Layer JC51-7 Standard Board,
Natural Convection
θJA
—
57
—
°C/W 4-Layer JC51-7 Standard Board,
Natural Convection
© 2006 Microchip Technology Inc.
DS21989A-page 5