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PDF OB3613PJP Data sheet ( Hoja de datos )
| Número de pieza | OB3613PJP | |
| Descripción | High PF Non-Isolated Buck LED Lighting Power Switch | |
| Fabricantes | On-Bright | |
| Logotipo |  |
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OB3613x Series
High PF Non-Isolated Buck LED Lighting Power Switch
GENERAL DESCRIPTION
OB3613x is a high power factor, highly integrated
buck regulator with advanced features to provide
high efficiency control and high precision constant
current output for LED lighting applications.
OB3613x integrates a MOSFET to decrease
physical volume. The proprietary CC control
scheme is used and the system can achieve high
power factor with constant on-time control
scheme.
OB3613x offers comprehensive protection
coverage with auto-recovery features including
LED open loop protection, LED short circuit
protection, cycle-by-cycle current limiting, built-in
leading edge blanking, VDD under voltage lockout
(UVLO), etc.
OB3613x is offered in SOP8, SOP7 or DIP8
package.
FEATURES
Buck topology with high power factor
Integrated a HV MOSFET
High precision constant current regulation at
universal AC input
Low system cost and high efficiency
Quasi-Resonant operation
Programmable CC regulation
LED short circuit protection
LED open loop protection
Cycle-by-cycle current limiting
Built-in leading edge blanking (LEB)
VDD under voltage lockout with hysteresis
VDD over voltage protection
Over temperature protection (OTP)
APPLICATIONS
LED lighting
TYPICAL APPLICATION
~
AC
OB3613x
DRAIN
CS
DRAIN
COMP
FB
GND
VDD
Figure1: OB3613x Typical Application Schematic
©On-Bright Electronics
Confidential
-1-
Datasheet
OB_DOC_DS_3613XA4
1 page  
OB3613x Series
High PF Non-Isolated Buck LED Lighting Power Switch
TERMINAL ASSIGNMENTS for OB3613MCP,OB3613NCP, OB3613PAP, OB3613RAP
and OB3613TAP
Pin Num Pin Name
1 VDD
2 FB
3 COMP
I/O Description
P Power supply input.
I
The voltage feedback terminal. Connected to resistor divider from
output voltage.
O
Loop compensation pin. A capacitor is connected between COMP and
GND.
4 CS I Current sensing terminal.
5,6
DRAIN
I MOSFET Drain terminal
7
GND
P Power Ground, suggest to be left floating with no pad in PCB layout.
8
GND
P Power Ground
©On-Bright Electronics
Confidential
-5-
Datasheet
OB_DOC_DS_3613XA4
5 Page 
OB3613x Series
High PF Non-Isolated Buck LED Lighting Power Switch
PACKAGE MECHANICAL DATA
SOP7 and SOP8 PACKAGE OUTLINE DIMENSIONS
Symbol
A
A1
A2
b
c
D
E
E1
e
L
θ
Dimensions In Millimeters
Min Max
1.350
1.750
0.050
0.250
1.250
1.650
0.310
0.510
0.100
0.250
4.700
5.150
3.800
4.000
5.800
6.200
1.270 (BSC)
0.400
1.270
0º 8º
Dimensions In Inches
Min Max
0.053
0.069
0.002
0.010
0.049
0.065
0.012
0.020
0.004
0.010
0.185
0.203
0.150
0.157
0.228
0.244
0.050 (BSC)
0.016
0.050
0º 8º
©On-Bright Electronics
Confidential
- 11 -
Datasheet
OB_DOC_DS_3613XA4
11 Page | ||
| Páginas | Total 13 Páginas | |
| PDF Descargar | [ Datasheet OB3613PJP.PDF ] | |
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