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PDF L5201 Data sheet ( Hoja de datos )
| Número de pieza | L5201 | |
| Descripción | REGULATED CHARGE PUMP DC/DC CONVERTERS | |
| Fabricantes | Unisonic Technologies | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de L5201 (archivo pdf) en la parte inferior de esta página. Total 7 Páginas | ||
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UNISONIC TECHNOLOGIES CO., LTD
L5201
CMOS IC
LOW NOISE, REGULATED
CHARGE PUMP DC/DC
CONVERTERS
65 4
MSOP -8
DESCRIPTION
The UTC L5201-xx series are low noise, constant frequency
charge pump DC/DC converters and designed to increase efficiency
in white LED application. The operating voltage range is 2.7V ~ VOUT
input with up to 100mA of output current. Low external parts counts
(one flying capacitor and two small bypass capacitors at VIN and
VOUT) make the UTC L5201-xx series ideally suited for small,
battery-powered applications.
A charge-pump architecture maintains constant switching
frequency to zero load and reduces both output and input ripple. The
UTC L5201-xx series have thermal shutdown capability to escape
the device damaged from a continuous short-circuit. With built-in
soft-start circuitry to prevents excessive current flow at VIN during
start-up. High switching frequency enables the use of small ceramic
capacitors. A low-current shutdown feature disconnects the load from
VIN and reduces quiescent current to <1µA.
The L5201-ADJ is available in MSOP-8 package and
L5201-fixed in SOT-26 and TSOT-26 package.
1 2 3 SOT-26
65 4
123
TSOT-26
*Pb-free plating product number: L5201L
FEATURES
* Low Noise Constant Frequency Operation
* Output Current:
* 1MHz Switching Frequency
* 4.5V/5.0V Fixed Output Voltage
* VIN Range: 2.7V ~ VOUT
* Automatic Soft-Start.
* No Inductors
* Less than 1µA of Shutdown Current
ORDERING INFORMATION
Ordering Number
Normal
Lead Free Plating
L5201-AD-SM1-R
L5201L-AD-SM1-R
L5201-AD-SM1-T
L5201L-AD-SM1-T
L5201-xx-AG6-R
L5201L-xx-AG6-R
L5201-xx-AH6-R
L5201L-xx-AH6-R
Note: xx :output voltage
www.DataSheLe5t240U1.Lco-AmD-SM1-R
(1)Packing Type
(2)Package Type
(3)Output Voltage
(4)Lead Plating
Package
MSOP-8
MSOP-8
SOT-26
TSOT-26
Packing
Tape Reel
Tube
Tape Reel
Tape Reel
(1) R: Tape Reel, T: Tube
(2) SM1: MSOP-8, AG6: SOT-26, AH6: TSOT-26
(3) AD: ADJ, xx: 45:4.5V, 50:5.0V
(4) L: Lead Free Plating, Blank: Pb/Sn
www.unisonic.com.tw
Copyright © 2005 Unisonic Technologies Co., Ltd
1 of 7
QW-R502-107,A
1 page  
L5201
TYPICAL APPLICATION CIRCUIT
10µF
46
C_ C+
VIN
2.7 V ~ VOUT
10 µF
OFF ON
5
VIN
1
V OUT
2
GND
10µF
3
SHDN
VOUT
IOUT
I OUT
UU=PP5~~V49+_00m2m%AA, V,
IN ≥
V IN
2
≥
.7V
3.0V
CIN, COUT: TAIYO YUDEN, JMK212BJ106KG
CFLY: TAIYO YUDEN, EMK212JB105KG
CMOS IC
www.DataSheet4U.com
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
5 of 7
QW-R502-107,A
5 Page | ||
| Páginas | Total 7 Páginas | |
| PDF Descargar | [ Datasheet L5201.PDF ] | |
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