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PDF XC6602 Data sheet ( Hoja de datos )
| Número de pieza | XC6602 | |
| Descripción | High Speed LDO Regulator | |
| Fabricantes | Torex Semiconductor | |
| Logotipo |  |
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XC6602 Series
ETR03045-004
1A, 0.5V Low Input Voltage, High Speed LDO Regulator
■GENERAL DESCRIPTION
The XC6602 series is a low voltage input (0.5V) 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 Nch
driver transistor, a voltage reference, an error amplifier, 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 inrush current (IRUSH) from VIN to VOUT for charging CL at
start-up can be reduced and makes the VIN stable. The soft-start time is optimized internally.
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.
■APPLICATIONS
● Mobile phones / Smart Phone
● Digital still cameras / Video camera
● Note PC / Tablet PC
● E-book Reader
● Wireless LAN
■FEATURES
Maximum Output Current
ON Resistance
Bias Voltage Range
Input Voltage Range
Output Voltage Range
Output Voltage Accuracy
Ripple Rejection
Low Power Consumption
Stand-by Current
Under-voltage Lockout
Thermal Shutdown
Protection Circuit
Function
Operating Ambient Temperature
Output Capacitor
Packages
Environmentally Friendly
: 1A (1.3A Limit)
: 0.15Ω＠VBIAS=3.6V,VOUT=1.2V
: 2.5V～6.0V
: 0.5V～3.0V
: 0.5V～1.8V (0.1V increments)
: ±0.015V＠VOUT＜1.2V
±0.020＠VOUT≧1.2V
: 60dB＠f=1kHz (VBIAS_PSRR)
75dB＠f=1kHz(VIN_PSRR)
: 100μA (VBIAS), 6.5μA(VIN)＠VOUT=1.2V
: 0.01μA (VBIAS), 0.01μA (VIN)
: 1.8V (VBIAS), 0.4V (VIN)
: 150℃＠detect, 125℃＠release
: Fold-back Current Limit, TSD, UVLO
: Built-in Soft-start
CE Pull-Down (Active High)
CL Auto Discharge
: -40℃～+85℃
: Ceramic Capacitor Compatible (2.2μF)
: USP-6C, SOT-26W, SOT-89-5
: EU RoHS Compliant, Pb Free
■ TYPICAL APPLICATION CIRCUIT
■TYPICAL PERFORMANCE
CHARACTERISTICS
●Dropout Voltage vs. Output Current
250
XC6602x121MR-G
VCE=VBIAS, CBIAS=CIN=1.0μF, CL=2.2μF
Ta=25℃
200
150
VBIAS=3.3V
VBIAS=3.6V
VBIAS=5.0V
100
50
0
0
200 400 600 800
Output Current: IOUT(mA)
1000
1/29
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XC6602
Series
■OUTPUT VOLTAGE CHART
NOMINAL
OUTPUT
VOLTAGE
VOUT(T)
0.5
0.6
0.7
0.8
0.9
1.0
1.1
1.2
1.3
1.4
1.5
1.6
1.7
1.8
VBIAS=3.0V
VGS Vdif (mV)
(V) TYP. MAX.
2.5 152 218
2.4
155
2.3
223
2.2 158 228
2.1 162 233
2.0 165 238
1.9 167 243
1.8 169 253
1.7 179 268
1.6 189 283
1.5 202 303
1.4 213 328
1.3 225 373
1.2 255 423
E-1
DROPOUT VOLTAGE (mV)
VBIAS=3.3V
VGS Vdif (mV)
(V) TYP. MAX.
VBIAS=3.6V
VGS Vdif (mV)
(V) TYP. MAX.
VBIAS=4.2V
VGS Vdif (mV)
(V) TYP. MAX.
2.8
2.7 146
2.6
2.5 152
3.1
213 3.0
2.9
146
218 2.8
3.7
3.6
3.5 140
213
3.4
208
2.4
155
2.3
2.7
223
2.6
3.3
3.2
2.2 158 228 2.5 152 218 3.1
2.1 162
2.0 165
233 2.4
155
238 2.3
3.0
223
2.9 146
213
1.9 167 243 2.2 158 228 2.8
1.8 169 253 2.1 162 233 2.7
1.7 179 268 2.0 165 238 2.6
1.6 189 283 1.9 167 243 2.5 152 218
1.5 202 303 1.8 169 253 2.4 155 223
VBIAS=5.0V
VGS Vdif (mV)
(V) TYP. MAX.
4.5
4.4
4.3
4.2 137
206
4.1
4.0
3.9
3.8
3.7
3.6
140
3.5
208
3.4
3.3
3.2 146 213
* Dropout voltage is defined as the VGS(=VBIAS–VOUT(E)) of the driver transistor.
5/29
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■TYPICAL PERFORMANCE CHARACTERISTICS (Continued)
XC6602
Series
* Unless otherwise stated, VBIAS=VCE=3.6V, VIN=VOUT(T)+0.3V, IOUT=1mA, CBIAS= CIN=1.0μF, CL=2.2μF, Ta=25℃
(3) Output Voltage vs. Input Voltage
(4) Dropout Voltage vs. Output Current
XC6602x051xR-G
0.6
0.5
0.4
0.3
0.2
0.1
0.0
0
IOUT=0mA
IOUT=1mA
IOUT=100mA
12
Input Voltage: VIN(V)
XC6602x121xR-G
3
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0.0
0
IOUT=0mA
IOUT=1mA
IOUT=100mA
12
Input Voltage: VIN(V)
XC6602x181xR-G
3
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0.0
0
IOUT=0mA
IOUT=1mA
IOUT=100mA
12
Input Voltage: VIN(V)
3
XC6602x121MR-G
250
200
150
100
50
0
0
VBIAS=3.0V
VBIAS=3.3V
VBIAS=3.6V
VBIAS=4.2V
VBIAS=5.0V
200 400 600 800
Output Current: IOUT(mA)
1000
XC6602xxx1MR-G
IOUT=1A
350
300
250
Ta=-40℃
Ta=25℃
Ta=85℃
200
150
100
50
0
1 2 34 5 6
VGS(*1)(V)
(*1) VGS is a Gate –Source voltage of the driver transistor that is defined as
the value of VBIAS - VOUT(E).
A value of the dropout voltage is determined by the value of the VGS.
11/29
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| Páginas | Total 29 Páginas | |
| PDF Descargar | [ Datasheet XC6602.PDF ] | |
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