1A, 0.5V Input Voltage, High Speed LDO Regulator

The XC6602 series is a low voltage input (0.5V) with bias voltage 2.5V operation and provides high accuracy ±15mV/±20mV and can supply large current efficiently due to its ultra low on-resistance even at low output voltages.

The series is ideally suited to the applications which require high current in low input/output voltages and consists of a voltage reference, an error amplifier, a driver transistor, a current limiter, a fold-back circuit, a thermal shutdown (TSD) circuit, an under voltage lock out (UVLO) circuit, a soft-start circuit and a phase compensation circuit.

Output voltage is selectable in 0.1V increments within a range of 0.5V to 1.8V using laser trimming technology and ceramic capacitors can be used for the output stabilization capacitor (CL). The XC6602 series optimizes the rise time internally with a built-in soft-start function.

The CE function enables the output to be turned off and the series to be put in stand-by mode resulting in greatly reduced power consumption. At the time of entering the stand-by mode, the series enables the electric charge at the output capacitor (CL) to be discharged via the internal switch. As a result the VOUT pin quickly returns to the VSS level.

The CE pull-down function keeps the IC to be in stand-by mode even if the CE pin is left open.

Feature

MaximumOutput Current 1A(1.3ALimit)
On Resistance 0.15Ω@VBIAS=3.6V,VOUT=1.2V
Bias Voltage Range 2.5V~6.0V
Input Voltage Range 0.5V~3.0V
Output Voltage Range 0.5V~1.8V(0.1V increments)
Output VoltageAccuracy ±0.015V@VOUT<1.2V
±0.020V@VOUT≧1.2V
Ripple Rejection 60dB@f=1kHz(VBIAS_PSRR),75dB@f=1kHz(VIN_PSRR)
Quiescent Current 100μA(VBIAS),6.5μA@VOUT=1.2V(VIN)
Stand-by Current 0.01μA(VBIAS),0.01μA(VIN)
UVLO 1.8V(VBIAS),0.4V(VIN)
TSD 150℃@Detect,125℃@Release
Protection Circuits Foldback Current Limit,TSD,UVLO
Functions Adjustable Soft-start time with an external component
CE Pull-Down (Active High)
CL Auto Discharge
Operating Ambient Temperature -40℃~85℃
Capacitor Low ESR Ceramic(2.2μF)
Environmentally Friendly EU RoHS compliant, Pb free

Typical Application Circuit

Technical Document

Packages

Package Number of Pins Pcs/Reel Package Size(mm)
SOT-26W 6 3,000 2.8 x 2.9 x 1.3
SOT-89-5 5 1,000 4.5 x 4.6 x 1.6
USP-6C 6 3,000 1.8 x 2.0 x 0.6
WLP-5-02 5 3,000 1.25 x 0.88 x 0.4

XC6602 Series Part Numbers

Part number Sample Type Output Voltage Output Voltage Accuracy Packages EDA Online Store
XC6602A0510R-G Soft-start included 0.5V ±0.015V(VOUT<1.2V),±0.020V(VOUT≧1.2V) WLP-5-02
XC6602A051ER-G Soft-start included 0.5V ±0.015V(VOUT<1.2V),±0.020V(VOUT≧1.2V) USP-6C
XC6602A051MR-G Soft-start included 0.5V ±0.015V(VOUT<1.2V),±0.020V(VOUT≧1.2V) SOT-26W
XC6602A051PR-G Soft-start included 0.5V ±0.015V(VOUT<1.2V),±0.020V(VOUT≧1.2V) SOT-89-5
XC6602A0610R-G Soft-start included 0.6V ±0.015V(VOUT<1.2V),±0.020V(VOUT≧1.2V) WLP-5-02
XC6602A061ER-G Soft-start included 0.6V ±0.015V(VOUT<1.2V),±0.020V(VOUT≧1.2V) USP-6C
XC6602A061MR-G Soft-start included 0.6V ±0.015V(VOUT<1.2V),±0.020V(VOUT≧1.2V) SOT-26W
XC6602A061PR-G Soft-start included 0.6V ±0.015V(VOUT<1.2V),±0.020V(VOUT≧1.2V) SOT-89-5
XC6602A0710R-G Soft-start included 0.7V ±0.015V(VOUT<1.2V),±0.020V(VOUT≧1.2V) WLP-5-02
XC6602A071ER-G Soft-start included 0.7V ±0.015V(VOUT<1.2V),±0.020V(VOUT≧1.2V) USP-6C
XC6602A071MR-G Soft-start included 0.7V ±0.015V(VOUT<1.2V),±0.020V(VOUT≧1.2V) SOT-26W
XC6602A071PR-G Soft-start included 0.7V ±0.015V(VOUT<1.2V),±0.020V(VOUT≧1.2V) SOT-89-5
XC6602A0810R-G Soft-start included 0.8V ±0.015V(VOUT<1.2V),±0.020V(VOUT≧1.2V) WLP-5-02
XC6602A081ER-G Soft-start included 0.8V ±0.015V(VOUT<1.2V),±0.020V(VOUT≧1.2V) USP-6C
XC6602A081MR-G Soft-start included 0.8V ±0.015V(VOUT<1.2V),±0.020V(VOUT≧1.2V) SOT-26W
XC6602A081PR-G Soft-start included 0.8V ±0.015V(VOUT<1.2V),±0.020V(VOUT≧1.2V) SOT-89-5
XC6602A0910R-G Soft-start included 0.9V ±0.015V(VOUT<1.2V),±0.020V(VOUT≧1.2V) WLP-5-02
XC6602A091ER-G Soft-start included 0.9V ±0.015V(VOUT<1.2V),±0.020V(VOUT≧1.2V) USP-6C
XC6602A091MR-G Soft-start included 0.9V ±0.015V(VOUT<1.2V),±0.020V(VOUT≧1.2V) SOT-26W
XC6602A091PR-G Soft-start included 0.9V ±0.015V(VOUT<1.2V),±0.020V(VOUT≧1.2V) SOT-89-5
XC6602A1010R-G Soft-start included 1.0V ±0.015V(VOUT<1.2V),±0.020V(VOUT≧1.2V) WLP-5-02
XC6602A101ER-G Soft-start included 1.0V ±0.015V(VOUT<1.2V),±0.020V(VOUT≧1.2V) USP-6C
XC6602A101MR-G Soft-start included 1.0V ±0.015V(VOUT<1.2V),±0.020V(VOUT≧1.2V) SOT-26W
XC6602A101PR-G Soft-start included 1.0V ±0.015V(VOUT<1.2V),±0.020V(VOUT≧1.2V) SOT-89-5
XC6602A1110R-G Soft-start included 1.1V ±0.015V(VOUT<1.2V),±0.020V(VOUT≧1.2V) WLP-5-02
XC6602A111ER-G Soft-start included 1.1V ±0.015V(VOUT<1.2V),±0.020V(VOUT≧1.2V) USP-6C
XC6602A111MR-G Soft-start included 1.1V ±0.015V(VOUT<1.2V),±0.020V(VOUT≧1.2V) SOT-26W
XC6602A111PR-G Soft-start included 1.1V ±0.015V(VOUT<1.2V),±0.020V(VOUT≧1.2V) SOT-89-5
XC6602A1210R-G Soft-start included 1.2V ±0.015V(VOUT<1.2V),±0.020V(VOUT≧1.2V) WLP-5-02
XC6602A121ER-G Soft-start included 1.2V ±0.015V(VOUT<1.2V),±0.020V(VOUT≧1.2V) USP-6C
XC6602A121MR-G Soft-start included 1.2V ±0.015V(VOUT<1.2V),±0.020V(VOUT≧1.2V) SOT-26W
XC6602A121PR-G Soft-start included 1.2V ±0.015V(VOUT<1.2V),±0.020V(VOUT≧1.2V) SOT-89-5
XC6602A1310R-G Soft-start included 1.3V ±0.015V(VOUT<1.2V),±0.020V(VOUT≧1.2V) WLP-5-02
XC6602A131ER-G Soft-start included 1.3V ±0.015V(VOUT<1.2V),±0.020V(VOUT≧1.2V) USP-6C
XC6602A131MR-G Soft-start included 1.3V ±0.015V(VOUT<1.2V),±0.020V(VOUT≧1.2V) SOT-26W
XC6602A131PR-G Soft-start included 1.3V ±0.015V(VOUT<1.2V),±0.020V(VOUT≧1.2V) SOT-89-5
XC6602A1410R-G Soft-start included 1.4V ±0.015V(VOUT<1.2V),±0.020V(VOUT≧1.2V) WLP-5-02
XC6602A141ER-G Soft-start included 1.4V ±0.015V(VOUT<1.2V),±0.020V(VOUT≧1.2V) USP-6C
XC6602A141MR-G Soft-start included 1.4V ±0.015V(VOUT<1.2V),±0.020V(VOUT≧1.2V) SOT-26W
XC6602A141PR-G Soft-start included 1.4V ±0.015V(VOUT<1.2V),±0.020V(VOUT≧1.2V) SOT-89-5
XC6602A1510R-G Soft-start included 1.5V ±0.015V(VOUT<1.2V),±0.020V(VOUT≧1.2V) WLP-5-02
XC6602A151ER-G Soft-start included 1.5V ±0.015V(VOUT<1.2V),±0.020V(VOUT≧1.2V) USP-6C
XC6602A151MR-G Soft-start included 1.5V ±0.015V(VOUT<1.2V),±0.020V(VOUT≧1.2V) SOT-26W
XC6602A151PR-G Soft-start included 1.5V ±0.015V(VOUT<1.2V),±0.020V(VOUT≧1.2V) SOT-89-5
XC6602A1610R-G Soft-start included 1.6V ±0.015V(VOUT<1.2V),±0.020V(VOUT≧1.2V) WLP-5-02
XC6602A161ER-G Soft-start included 1.6V ±0.015V(VOUT<1.2V),±0.020V(VOUT≧1.2V) USP-6C
XC6602A161MR-G Soft-start included 1.6V ±0.015V(VOUT<1.2V),±0.020V(VOUT≧1.2V) SOT-26W
XC6602A161PR-G Soft-start included 1.6V ±0.015V(VOUT<1.2V),±0.020V(VOUT≧1.2V) SOT-89-5
XC6602A1710R-G Soft-start included 1.7V ±0.015V(VOUT<1.2V),±0.020V(VOUT≧1.2V) WLP-5-02
XC6602A171ER-G Soft-start included 1.7V ±0.015V(VOUT<1.2V),±0.020V(VOUT≧1.2V) USP-6C
XC6602A171MR-G Soft-start included 1.7V ±0.015V(VOUT<1.2V),±0.020V(VOUT≧1.2V) SOT-26W
XC6602A171PR-G Soft-start included 1.7V ±0.015V(VOUT<1.2V),±0.020V(VOUT≧1.2V) SOT-89-5
XC6602A1810R-G Soft-start included 1.8V ±0.015V(VOUT<1.2V),±0.020V(VOUT≧1.2V) WLP-5-02
XC6602A181ER-G Soft-start included 1.8V ±0.015V(VOUT<1.2V),±0.020V(VOUT≧1.2V) USP-6C
XC6602A181MR-G Soft-start included 1.8V ±0.015V(VOUT<1.2V),±0.020V(VOUT≧1.2V) SOT-26W
XC6602A181PR-G Soft-start included 1.8V ±0.015V(VOUT<1.2V),±0.020V(VOUT≧1.2V) SOT-89-5
XC6602B0510R-G Soft-start excluded 0.5V ±0.015V(VOUT<1.2V),±0.020V(VOUT≧1.2V) WLP-5-02
XC6602B051ER-G Soft-start excluded 0.5V ±0.015V(VOUT<1.2V),±0.020V(VOUT≧1.2V) USP-6C
XC6602B051MR-G Soft-start excluded 0.5V ±0.015V(VOUT<1.2V),±0.020V(VOUT≧1.2V) SOT-26W
XC6602B051PR-G Soft-start excluded 0.5V ±0.015V(VOUT<1.2V),±0.020V(VOUT≧1.2V) SOT-89-5
XC6602B0610R-G Soft-start excluded 0.6V ±0.015V(VOUT<1.2V),±0.020V(VOUT≧1.2V) WLP-5-02
XC6602B061ER-G Soft-start excluded 0.6V ±0.015V(VOUT<1.2V),±0.020V(VOUT≧1.2V) USP-6C
XC6602B061MR-G Soft-start excluded 0.6V ±0.015V(VOUT<1.2V),±0.020V(VOUT≧1.2V) SOT-26W
XC6602B061PR-G Soft-start excluded 0.6V ±0.015V(VOUT<1.2V),±0.020V(VOUT≧1.2V) SOT-89-5
XC6602B0710R-G Soft-start excluded 0.7V ±0.015V(VOUT<1.2V),±0.020V(VOUT≧1.2V) WLP-5-02
XC6602B071ER-G Soft-start excluded 0.7V ±0.015V(VOUT<1.2V),±0.020V(VOUT≧1.2V) USP-6C
XC6602B071MR-G Soft-start excluded 0.7V ±0.015V(VOUT<1.2V),±0.020V(VOUT≧1.2V) SOT-26W
XC6602B071PR-G Soft-start excluded 0.7V ±0.015V(VOUT<1.2V),±0.020V(VOUT≧1.2V) SOT-89-5
XC6602B0810R-G Soft-start excluded 0.8V ±0.015V(VOUT<1.2V),±0.020V(VOUT≧1.2V) WLP-5-02
XC6602B081ER-G Soft-start excluded 0.8V ±0.015V(VOUT<1.2V),±0.020V(VOUT≧1.2V) USP-6C
XC6602B081MR-G Soft-start excluded 0.8V ±0.015V(VOUT<1.2V),±0.020V(VOUT≧1.2V) SOT-26W
XC6602B081PR-G Soft-start excluded 0.8V ±0.015V(VOUT<1.2V),±0.020V(VOUT≧1.2V) SOT-89-5
XC6602B0910R-G Soft-start excluded 0.9V ±0.015V(VOUT<1.2V),±0.020V(VOUT≧1.2V) WLP-5-02
XC6602B091ER-G Soft-start excluded 0.9V ±0.015V(VOUT<1.2V),±0.020V(VOUT≧1.2V) USP-6C
XC6602B091MR-G Soft-start excluded 0.9V ±0.015V(VOUT<1.2V),±0.020V(VOUT≧1.2V) SOT-26W
XC6602B091PR-G Soft-start excluded 0.9V ±0.015V(VOUT<1.2V),±0.020V(VOUT≧1.2V) SOT-89-5
XC6602B1010R-G Soft-start excluded 1.0V ±0.015V(VOUT<1.2V),±0.020V(VOUT≧1.2V) WLP-5-02
XC6602B101ER-G Soft-start excluded 1.0V ±0.015V(VOUT<1.2V),±0.020V(VOUT≧1.2V) USP-6C
XC6602B101MR-G Soft-start excluded 1.0V ±0.015V(VOUT<1.2V),±0.020V(VOUT≧1.2V) SOT-26W
XC6602B101PR-G Soft-start excluded 1.0V ±0.015V(VOUT<1.2V),±0.020V(VOUT≧1.2V) SOT-89-5
XC6602B1110R-G Soft-start excluded 1.1V ±0.015V(VOUT<1.2V),±0.020V(VOUT≧1.2V) WLP-5-02
XC6602B111ER-G Soft-start excluded 1.1V ±0.015V(VOUT<1.2V),±0.020V(VOUT≧1.2V) USP-6C
XC6602B111MR-G Soft-start excluded 1.1V ±0.015V(VOUT<1.2V),±0.020V(VOUT≧1.2V) SOT-26W
XC6602B111PR-G Soft-start excluded 1.1V ±0.015V(VOUT<1.2V),±0.020V(VOUT≧1.2V) SOT-89-5
XC6602B1210R-G Soft-start excluded 1.2V ±0.015V(VOUT<1.2V),±0.020V(VOUT≧1.2V) WLP-5-02
XC6602B121ER-G Soft-start excluded 1.2V ±0.015V(VOUT<1.2V),±0.020V(VOUT≧1.2V) USP-6C
XC6602B121MR-G Soft-start excluded 1.2V ±0.015V(VOUT<1.2V),±0.020V(VOUT≧1.2V) SOT-26W
XC6602B121PR-G Soft-start excluded 1.2V ±0.015V(VOUT<1.2V),±0.020V(VOUT≧1.2V) SOT-89-5
XC6602B1310R-G Soft-start excluded 1.3V ±0.015V(VOUT<1.2V),±0.020V(VOUT≧1.2V) WLP-5-02
XC6602B131ER-G Soft-start excluded 1.3V ±0.015V(VOUT<1.2V),±0.020V(VOUT≧1.2V) USP-6C
XC6602B131MR-G Soft-start excluded 1.3V ±0.015V(VOUT<1.2V),±0.020V(VOUT≧1.2V) SOT-26W
XC6602B131PR-G Soft-start excluded 1.3V ±0.015V(VOUT<1.2V),±0.020V(VOUT≧1.2V) SOT-89-5
XC6602B1410R-G Soft-start excluded 1.4V ±0.015V(VOUT<1.2V),±0.020V(VOUT≧1.2V) WLP-5-02
XC6602B141ER-G Soft-start excluded 1.4V ±0.015V(VOUT<1.2V),±0.020V(VOUT≧1.2V) USP-6C
XC6602B141MR-G Soft-start excluded 1.4V ±0.015V(VOUT<1.2V),±0.020V(VOUT≧1.2V) SOT-26W
XC6602B141PR-G Soft-start excluded 1.4V ±0.015V(VOUT<1.2V),±0.020V(VOUT≧1.2V) SOT-89-5
XC6602B1510R-G Soft-start excluded 1.5V ±0.015V(VOUT<1.2V),±0.020V(VOUT≧1.2V) WLP-5-02
XC6602B151ER-G Soft-start excluded 1.5V ±0.015V(VOUT<1.2V),±0.020V(VOUT≧1.2V) USP-6C
XC6602B151MR-G Soft-start excluded 1.5V ±0.015V(VOUT<1.2V),±0.020V(VOUT≧1.2V) SOT-26W
XC6602B151PR-G Soft-start excluded 1.5V ±0.015V(VOUT<1.2V),±0.020V(VOUT≧1.2V) SOT-89-5
XC6602B1610R-G Soft-start excluded 1.6V ±0.015V(VOUT<1.2V),±0.020V(VOUT≧1.2V) WLP-5-02
XC6602B161ER-G Soft-start excluded 1.6V ±0.015V(VOUT<1.2V),±0.020V(VOUT≧1.2V) USP-6C
XC6602B161MR-G Soft-start excluded 1.6V ±0.015V(VOUT<1.2V),±0.020V(VOUT≧1.2V) SOT-26W
XC6602B161PR-G Soft-start excluded 1.6V ±0.015V(VOUT<1.2V),±0.020V(VOUT≧1.2V) SOT-89-5
XC6602B1710R-G Soft-start excluded 1.7V ±0.015V(VOUT<1.2V),±0.020V(VOUT≧1.2V) WLP-5-02
XC6602B171ER-G Soft-start excluded 1.7V ±0.015V(VOUT<1.2V),±0.020V(VOUT≧1.2V) USP-6C
XC6602B171MR-G Soft-start excluded 1.7V ±0.015V(VOUT<1.2V),±0.020V(VOUT≧1.2V) SOT-26W
XC6602B171PR-G Soft-start excluded 1.7V ±0.015V(VOUT<1.2V),±0.020V(VOUT≧1.2V) SOT-89-5
XC6602B1810R-G Soft-start excluded 1.8V ±0.015V(VOUT<1.2V),±0.020V(VOUT≧1.2V) WLP-5-02
XC6602B181ER-G Soft-start excluded 1.8V ±0.015V(VOUT<1.2V),±0.020V(VOUT≧1.2V) USP-6C
XC6602B181MR-G Soft-start excluded 1.8V ±0.015V(VOUT<1.2V),±0.020V(VOUT≧1.2V) SOT-26W
XC6602B181PR-G Soft-start excluded 1.8V ±0.015V(VOUT<1.2V),±0.020V(VOUT≧1.2V) SOT-89-5

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