CM2860/CM2861
600mA CMOS LDO
GENERAL DESCRIPTION
The CM2860/2861 family is a positive voltage linear regulator developed utilizing CMOS technology featured low quiescent current (30μA typ.), low dropout voltage, and high output voltage accuracy. Built-in low on-resistance transistor provides low dropout voltage and large output current. A 2.2μF or greater can be used as an output capacitor. The SOT-89 and SOT-223 packages are attractive for “Pocket” and “Hand Held” applications. These robust devices are designed to prevent device failure under the worst operation condition with both Thermal Shutdown and Current Fold-back.
FEATURES
Very Low Dropout Voltage Low Current Consumption: Typ. 30μA, Max. 35μA High Accuracy Output Voltage: +/- 1.5% Guaranteed 600mA Output Thermal Shutdown Current Limiting Compact Package: SOT-89 and SOT-223 Factory Pre-set Output Voltages Short Circuit Current Fold-Back Low Temperature Coefficient
APPLICATIONS
Battery-powered devices Personal communication devices Home electric/electronic appliances PC peripherals
TYPICAL APPLICATIONS
C M2860/1
IN
IN GND
OUT
OUT
VIN
C1 1uF
C2 2.2uF
2007/01/11 Rev. 1.7
Champion Microelectronic Corporation
Page 1
CM2860/CM2861
600mA CMOS LDO
PIN CONFIGURATION
SOT-89 Top View SOT-223 Top View
Pin 1 Pin 2 Pin 3
2860 GND VIN VOUT
Pin 1 Pin 2 Pin 3
2860 VIN GND VOUT
2861 GND VOUT VIN
1
2
3
1
2
3
BLOCK DIAGRAM
IN
OUT
O vercurrent Shutdown
Thermal Shutdown
R1
+
Vref = 1.176V
AMP
R2
GND
2007/01/11 Rev. 1.7
Champion Microelectronic Corporation
Page 2
CM2860/CM2861
600mA CMOS LDO
ORDERING INFORMATION
Part Number CM2860KIM89 CM2860KIM223 CM2860SIM89 CM2860SIM223 CM2861KIM223 CM2861SIM223 CM2860GKIM89 CM2860GKIM223 CM2860GSIM89 CM2860GSIM223 CM2861GKIM223 CM2861GSIM223 Output Voltage 2.5V 2.5V 3.3V 3.3V 2.5V 3.3V 2.5V 2.5V 3.3V 3.3V 2.5V 3.3V Temperature Range -40℃ ~ +85℃ -40℃ ~ +85℃ -40℃ ~ +85℃ -40℃ ~ +85℃ -40℃ ~ +85℃ -40℃ ~ +85℃ -40℃ ~ +85℃ -40℃ ~ +85℃ -40℃ ~ +85℃ -40℃ ~ +85℃ -40℃ ~ +85℃ -40℃ ~ +85℃ Package SOT-89 SOT-223 SOT-89 SOT-223 SOT-223 SOT-223 SOT-89 SOT-223 SOT-89 SOT-223 SOT-223 SOT-223
Note: For other pre-set output voltage, please contact Champion Sales office.
ABSOLUTE MAXIMUM RATINGS
Input Voltage Output Current Output Voltage …………….……………………………. +7V …………………….…………………. 1A
OPERATING RATINGS
Ambient Temperature Range (TA) ……... -40℃ to +85℃ Junction Temperature Range …..…... -40℃ to +125℃
…………………… GND-0.3V to VIN+0.3V
ESD Classification ………………………………………… B
THERMAL INFORMATION
Parameter Thermal Resistance (Θjc) Thermal Resistance (Θja) Internal Power Dissipation (PD) (ΔT = 100℃, No Heatsink) Maximum Junction Temperature Maximum Lead Temperature (10 Sec) SOT-89 SOT-223 SOT-89 SOT-223 SOT-89 SOT-223 (CM2860) SOT-223 (CM2861) Maximum 100 50 180 100 400 900 800 125 300 Unit ℃/W ℃/W mW
℃ ℃
Caution: Stress above the listed absolute rating may cause permanent damage to the device.
2007/01/11 Rev. 1.7
Champion Microelectronic Corporation
Page 3
CM2860/CM2861
600mA CMOS LDO
ELECTRICAL CHARACTERISTICS
TA = +25℃; VIN = VIN(MIN) unless otherwise noted CM2860/CM2861 Min. Note 1 IO = 1mA IO = 600mA, VOUT=VO(NOM)-1.5%, 1.5V
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