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Número de pieza | XCL219 | |
Descripción | 1.0A Inductor Built-in Step-Down Converters | |
Fabricantes | Torex Semiconductor | |
Logotipo | ||
Hay una vista previa y un enlace de descarga de XCL219 (archivo pdf) en la parte inferior de esta página. Total 20 Páginas | ||
No Preview Available ! XCL219/XCL220 Series
ETR28010-001
1.0A Inductor Built-in Step-Down “micro DC/DC” Converters
■GENERAL DESCRIPTION
☆GreenOperationCompatible
The XCL219/XCL220 series is a synchronous step-down micro DC/DC converter which integrates an inductor and a control
IC in one tiny package (2.0mm×2.5mm, h=1.0mm). An internal coil simplifies the circuit and enables minimization of noise and
other operational trouble due to the circuit wiring. A wide operating voltage range of 2.5V to 5.5V enables support for
applications that require an internally fixed output voltage (0.8V to 3.6V). The XCL219/XCL220 series uses synchronous
rectification at an operating frequency of 3.0MHz. The XCL219/XCL220 series uses HiSAT-COT (*) synchronous rectification.
HiSAT-COT+PWM control (XCL219) or HiSAT-COT+automatic PWM/PFM switching control (XCL220) can be selected.
The series have a high speed soft-start as fast as 0.3ms in typical for quick turn-on. With the built-in UVLO (Under Voltage Lock
Out) function, the internal P-channel driver transistor is forced OFF when input voltage becomes 2.0V or lower. When CE=Low,
the integrated CL discharge function which enables the electric charge at the output capacitor CL to be discharged via the internal
discharge switch located between the LX and VSS pins. The power consumption will be less than 1.0μA.
(*) HiSAT-COT is an original Torex term for High Speed Transient Response.
■APPLICATIONS
●Note Book PC
●Tablet PC
●SSD(Solid State Drive)
●Mobile phone
●Digital still camera
●Portable game machine
■FEATURES
Input Voltage
Output Voltage
Oscillation Frequency
Output Current
Efficiency
Control Methods
Circuit Protection
Functions
: 2.5V~5.5V
: 0.8V~3.6V(±2.0%)
: 3.0MHz
: 1.0A
: 93% (VIN=5.0V, VOUT=3.3V/300mA)
: HiSAT-COT
100% Duty Cycle
HiSAT-COT+PWM (XCL219)
HiSAT-COT+PWM/PFM (XCL220)
: Thermal Shut Down
Current Limit Circuit (Drop)
Short Circuit Protection (Latch)
: Soft-start Circuit Built-in
UVLO
CL Discharge
Output Capacitor
: Low ESR Ceramic Capacitor
Operating Ambient Temperature : -40℃~+105℃
Package
Environmental Friendly
: CL-2025-02
: EU RoHS Compliant, Pb Free
■TYPICAL APPLICATION CIRCUIT
■ TYPICAL PERFORMANCE
CHARACTERISTICS
XCL219/XCL220 (VOUT=3.3V)
100
1.0A
CL
10μF
7
1 Lx
VIN 6
2 AGND PGND 5
3 VOUT
8
CE 4
CIN
4.7μF
80
60
40
20
0
0.1
XCL220
XCL219
VIN=5.0V
1 10 100
Output Current : IOUT (mA)
1000
1/20
1 page XCL219/XCL220
Series
■ELECTRICAL CHARACTERISTICS
●SPEC Table (VOUT, tONmin)
NOMINAL
OUTPUT
VOLTAGE
<E-1>
VOUT
<E-2>
<E-3>
VOUT(T) MIN. TYP. MAX.
0.80 0.784 0.800 0.816
0.85 0.833 0.850 0.867
0.90 0.882 0.900 0.918
0.95 0.931 0.950 0.969
1.00 0.980 1.000 1.020
1.05 1.029 1.050 1.071
1.10 1.078 1.100 1.122
1.15 1.127 1.150 1.173
1.20 1.176 1.200 1.224
1.25 1.225 1.250 1.275
1.30 1.274 1.300 1.326
1.35 1.323 1.350 1.377
1.40 1.372 1.400 1.428
1.45 1.421 1.450 1.479
1.50 1.470 1.500 1.530
1.55 1.519 1.550 1.581
1.60 1.568 1.600 1.632
1.65 1.617 1.650 1.683
1.70 1.666 1.700 1.734
1.75 1.715 1.750 1.785
1.80 1.764 1.800 1.836
1.85 1.813 1.850 1.887
1.90 1.862 1.900 1.938
1.95 1.911 1.950 1.989
2.00 1.960 2.000 2.040
2.05 2.009 2.050 2.091
2.10 2.058 2.100 2.142
2.15 2.107 2.150 2.193
2.20 2.156 2.200 2.244
<C-1>
VIN
2.70
2.70
2.70
2.70
2.70
2.70
2.70
2.70
2.70
2.70
2.70
2.70
2.70
2.70
2.70
2.70
2.70
2.75
2.83
2.92
3.00
3.08
3.17
3.25
3.33
3.42
3.50
3.58
3.67
tONmin
fOSC=3.0MHz
<E-5> <E-6> <E-7>
MIN. TYP. MAX.
71 119 166
72 121 169
73 122 171
74 123 172
86 123 160
91 130 169
95 136 177
99 142 185
104 148 193
108 154 201
112 160 209
117 167 217
121 173 225
125 179 233
130 185 241
134 191 249
138 198 257
140 200 260
140 200 260
140 200 260
140 200 260
140 200 260
140 200 260
140 200 260
140 200 260
140 200 260
140 200 260
140 200 260
140 200 260
NOMINAL
OUTPUT
VOLTAGE
VOUT(T)
2.25
2.30
2.35
2.40
2.45
2.50
2.55
2.60
2.65
2.70
2.75
2.80
2.85
2.90
2.95
3.00
3.05
3.10
3.15
3.20
3.25
3.30
3.35
3.40
3.45
3.50
3.55
3.60
<E-1>
MIN.
2.205
2.254
2.303
2.352
2.401
2.450
2.499
2.548
2.597
2.646
2.695
2.744
2.793
2.842
2.891
2.940
2.989
3.038
3.087
3.136
3.185
3.234
3.283
3.332
3.381
3.430
3.479
3.528
VOUT
<E-2>
TYP.
2.250
2.300
2.350
2.400
2.450
2.500
2.550
2.600
2.650
2.700
2.750
2.800
2.850
2.900
2.950
3.000
3.050
3.100
3.150
3.200
3.250
3.300
3.350
3.400
3.450
3.500
3.550
3.600
<E-3>
MAX.
2.295
2.346
2.397
2.448
2.499
2.550
2.601
2.652
2.703
2.754
2.805
2.856
2.907
2.958
3.009
3.060
3.111
3.162
3.213
3.264
3.315
3.366
3.417
3.468
3.519
3.570
3.621
3.672
<C-1>
VIN
3.75
3.83
3.92
4.00
4.08
4.17
4.25
4.33
4.42
4.50
4.58
4.67
4.75
4.83
4.92
5.00
5.08
5.17
5.25
5.33
5.42
5.50
5.50
5.50
5.50
5.50
5.50
5.50
tONmin
fOSC=3.0MHz
<E-5> <E-6> <E-7>
MIN. TYP. MAX.
140 200 260
140 200 260
140 200 260
140 200 260
140 200 260
140 200 260
140 200 260
140 200 260
140 200 260
140 200 260
140 200 260
140 200 260
140 200 260
140 200 260
140 200 260
140 200 260
140 200 260
140 200 260
140 200 260
140 200 260
140 200 260
140 200 260
142 203 264
144 206 268
146 209 272
148 212 276
151 215 280
153 218 284
■TYPICAL CIRCUIT
CL
10μF
1.0A
7
1 Lx
VIN 6
2 AGND PGND 5
3 VOUT
8
CE 4
CIN
4.7μF
VALUE
PRODUCT NUMBER
LMK105BBJ475MVLF(Taiyo Yuden)
CIN
10V/4.7μF
LMK107BJ475KA (TaiyoYuden)
C1608X5R1A475K (TDK)
C2012X7R1A475M(TDK)
LMK105CBJ106MVLF(Taiyo Yuden)
CL
10V/10μF
LMK107BBJ106MALT (TaiyoYuden)
C1608X5R1A106K (TDK)
C2012X7R1A106M(TDK)
NOTE:
The integrated Inductor can be used only for this DC/DC
converter. Please do not use this inductor for other
reasons.
5/20
5 Page XCL219/XCL220
Series
■NOTE ON USE (Continued)
17. Please use within the power dissipation range below. Please also note that the power dissipation may changed by test
conditions, the power dissipation figure shown is PCB mounted.
Pd vs Operating Temperature
Pakage Body Temperature vs Operating Temperature
the power loss of micro DC/DC according to the following formula:
power loss = VOUT×IOUT×((100/EFFI) – 1) (W)
VOUT : Output Voltage (V)
IOUT : Output Current (A)
EFFI : Conversion Efficiency (%)
Measurement Condition (Reference data)
Condition: Mount on a board
Ambient: Natural convection
Soldering: Lead (Pb) free
Board: Dimensions 40 x 40 mm (1600 mm2 in one side)
Copper (Cu) traces occupy 50% of the board area
In top and back faces
Package heat-sink is tied to the copper traces
Material: Glass Epoxy (FR-4)
Thickness: 1.6mm
Through-hole: 4 x 0.8 Diameter
Evaluation Board (unit: mm)
11/20
11 Page |
Páginas | Total 20 Páginas | |
PDF Descargar | [ Datasheet XCL219.PDF ] |
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