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PDF LV5061V Data sheet ( Hoja de datos )
| Número de pieza | LV5061V | |
| Descripción | Step-down Switching Regulator Controller | |
| Fabricantes | Sanyo Semicon Device | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de LV5061V (archivo pdf) en la parte inferior de esta página. Total 6 Páginas | ||
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www.DataSheet.co.kr
Ordering number : ENA1829A
Bi-CMOS IC
LV5061V
Low power consumption and high efficiency
Step-down Switching
Regulator Controller
Overview
LV5061V is 1ch step-down switching regulator. The operation current is about 90μA, and low power consumption is
achieved.
Functions
• 1ch SBD rectification controller IC
• Maximum value of light load mode current is 90μA.
• Built-in OCP circuit with P-by-P method
• When P-by-P is generated continuously, it shifts to the HICCUP operation.
• If connect C-HICCUP to GND pin, then latch-off when over current.
• The oscillatory frequency can be set by the external pin. The oscillatory frequency is 300 kHz to 2.2MHz
• Built-in UVLO, TSD
Specifications
Maximum Ratings at Ta = 25°C
Parameter
Symbol
Conditions
Input voltage
Allowable pin voltage
VIN max
PDR,HDRV,RSNS,
ILIM,EN,PG
VIN-PDR
REF
SS,FB,COMP,
C-HICCUP,RT
Allowable power dissipation
Pd max
Specified substrate *1
Operating temperature
Topr
Storage temperature
Tstg
*1: Specified substrate 114.3mm×76.1mm×1.6mm3 glass-epoxy
Ratings
22
VIN
6
6
REF
0.74
-40 to +85
-55 to +150
Unit
V
V
V
V
V
W
˚C
˚C
Any and all SANYO Semiconductor Co.,Ltd. products described or contained herein are, with regard to
"standard application", intended for the use as general electronics equipment (home appliances, AV equipment,
communication device, office equipment, industrial equipment etc.). The products mentioned herein shall not be
intended for use for any "special application" (medical equipment whose purpose is to sustain life, aerospace
instrument, nuclear control device, burning appliances, transportation machine, traffic signal system, safety
equipment etc.) that shall require extremely high level of reliability and can directly threaten human lives in case
of failure or malfunction of the product or may cause harm to human bodies, nor shall they grant any guarantee
thereof. If you should intend to use our products for applications outside the standard applications of our
customer who is considering such use and/or outside the scope of our intended standard applications, please
consult with us prior to the intended use. If there is no consultation or inquiry before the intended use, our
customer shall be solely responsible for the use.
Specifications of any and all SANYO Semiconductor Co.,Ltd. products described or contained herein stipulate
the performance, characteristics, and functions of the described products in the independent state, and are not
guarantees of the performance, characteristics, and functions of the described products as mounted in the
customer's products or equipment. To verify symptoms and states that cannot be evaluated in an independent
device, the customer should always evaluate and test devices mounted in the customer's products or
equipment.
O0610 SY/90810 SY 20100824-S00001 No.A1829-1/6
Datasheet pdf - http://www.DataSheet4U.net/
1 page  
www.DataSheet.co.kr
LV5061V
Continued from preceding page.
Pin
Pin name
No.
6 HDRV
Descriptions
The external high-side MOSFET gate drive pin．
7 PDR
Gate drive voltage of the external Pch MOSFET.
Meanwhile, the bypass capacitor is connected between VIN
and this pin.
Equivalent circuit
VIN
HDRV
PDR
VIN
8 GND
9 NC
10 RT
Ground Pin．
Ground pin voltage is reference voltage.
N.C. pin.
Oscillation frequency setting pin.
Resistor is connected between this pin and GND.
VIN
GND
VIN
PDR
GND
11 C-HICCUP
It is capacitor connection pin for setting re-startup cycle in
HICCUP mode．
If connect it to GND pin, then latch-off when over current.
12 SS
Capacitor connection pin for soft start.
About 2μA current charges the soft start capacitor.
ILIM
GND
VIN
C-HICCUP
GND
VIN
13 NC
14 COMP
NC pin.
Error Amplifier Output Pin．
The phase compensation network is connected between GND
pin and COMP pin．
Thanks to current-mode control, COMP pin voltage would tell
you the output current amplitude. COMP pin is connected
internally to an int.comparator which comparators with 0.9V
reference. If COMP pin voltage is larger than.
0.9V, IC operates in “continuous mode”. If COMP pin voltage is
smaller than 0.9V, IC operates in “discontinuous mode (low
consumption mode)”.
SS
GND
VIN
COMP
GND
Continued on next page.
No.A1829-5/6
Datasheet pdf - http://www.DataSheet4U.net/
5 Page | ||
| Páginas | Total 6 Páginas | |
| PDF Descargar | [ Datasheet LV5061V.PDF ] | |
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