XC6416Series
JTR0333-006
Dual LDO Voltage Regulator with “GreenOperation”
☆GreenOperation Compatible
■GENERAL DESCRIPTION
The XC6416 series is a high accurate, low noise, high ripple rejection, and low dropout CMOS Dual regulator with
GreenOperation function. The series includes a reference voltage source, an error amplifier, a current limiter, and a phase
compensation circuit.
GreenOperation function provides high speed operation, low power consumption and high efficiencies by automatically
switching between a high speed mode (HS) and a power save mode (PS) depending on the load current level. The
switching point of the GreenOperation to the output current is being fixed inside the IC, thus providing operating conditions
with the most suitable level of supply current for the application. The USP-6C package has GO pin. If a high level singal is
input to the GO pin, the XC6416 can be used as a high speed fixed mode regulator.
The EN function turns each output of the two regulators independently. In this state, the electric charge at the output
capacitor (CL) is discharged via the internal auto-discharge switch, and as a result the VOUT voltage quickly returns to the VSS
level. The output stabilization capacitor (CL) is also compatible with low ESR ceramic capacitors. Output voltage is
selectable in 0.05V increments within a range of 0.8V ~4.0V, using laser trimming technologies. The series includes a
fold-back circuit, which aids the operation of the current limiter and circuit protection.
■ FEATURES
Maximum Output Current
Dropout Voltage
Operating Voltage Range
Output Voltage Range
High Output Accuracy
■APPLICATIONS
● Mobile phones
: 200mA (300mA limit, TYP.)
: 95mV@IOUT=100mA, VOUT=3.0V
: 1.5V~6.0V
: 0.8V~4.0V (0.05V increments)
: ±1% <XC6416A/B/C/D in HS Mode>
±0.02V @ VOUT≦1.95V
±2% <XC6416E/F/G/H in HS Mode>
±0.03V @ VOUT≦1.45V
±3% <XC6416A~H in PS Mode>
±0.06V @ VOUT≦1.95V
●
Cordless phones, wireless communication equipment
● Portable games
● Cameras, video recorders
● Portable audio equipment
● PDAs
Low Power Consumption
: 5μA/ch @ PS mode (TYP.)
28μA/ch @ HS mode (TYP.)
: Less than 0.1μA
Stand-by Current
Ripple Rejection Rate
: 60dB @ 1kHz
Operating Temperature Range: - 40OC ~ 85OC
Low ESR Capacitor
: 1.0
μF Ceramic Capacitor Compatible
Small Packages
: USP-6C, SOT-26
■TYPICAL PERFORMANCE
■
TYPICAL APPLICATION CIRCUITS
CHARACTERISTICS
●●負荷Lo過a渡d応T答ransient Response
XC6416CCxxER(VOUT=2.8V)
VIN=3.8V、Ta=25℃
tr=5μs
CIN=1.0μF(ceramic)、CL=1.0μF(ceramic)
2.9
2.8
2.7
2.6
2.5
2.4
2.3
300
250
200
150
100
50
Output Voltage ： VOUT（HS Mode）
Output Voltage ： VOUT（GO Mode）
Output Current ： IOUT=50mA
IOUT=0.1mA
0
Time （10μs/div）
1/30
5秒后页面跳转
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