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BM520Q25F fiches techniques PDF

ROHM Semiconductor - AC/DC Controller IC

Numéro de référence BM520Q25F
Description AC/DC Controller IC
Fabricant ROHM Semiconductor 
Logo ROHM Semiconductor 





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BM520Q25F fiche technique
Datasheet
AC/DC Drivers
AC/DC Controller IC for LED Lighting
Included 650V MOSFET
BM520Q25F
Description
BM520Q25F is an AC/DC converter which has a
built-in MOSFET with 650V withstand voltage. This
IC can be applied to quasi-resonant typed High-side
LED driver application, and the high current precision
and Low EMI noise can be achieved. Moreover, owing
to the built-in PFC (Power Factor Correction)
converter, the harmonics can be improved.
Owing to the start-up circuit with 650V withstand
voltage, the low power consumption is achieved. And
owing to the external current setting resistance, a
power supply design with a high degree of freedom
can be achieved.
With the built-in MOSFET with 650V withstand
voltage, a low-cost application can be achieved, and it
makes the application design easily.
Key Specifications
Operating power supply voltage range:
VCC 8.9V to 26.0V DRAIN: 650V
Operating current: Normal operation: 0.45mA (typ.)
Operating temperature range: - 40deg. to +105deg.
MOSFET ON resistance: 4.0(typ.)
Features
Quasi-resonant switching mode + PFC circuit
Built-in 650V starter circuit
Built-in 650V switching MOSFET
Maximum frequency 200kHz
VCC pin: under voltage protection
VCC pin: over voltage protection (latch)
SOURCE pin: Leading-Edge-Blanking function
LED over current detection function
ZT pin: trigger mask function
ZT pin: over voltage protection (latch)
FET over current protection function
LED current AC compensation function
Package
SOP8
5.00mm × 4.40mm pitch 1.27mm
(typ.) (typ.)
(typ.)
Application Circuit
Application
LED bulb, seal-typed LED lighting
Electrical machineries for LED lighting
L1
F1
L FUSE
DA1
FLT
R1
N
CB C1 +
U1
CVCC
RZTH
RS
CCOMP RZTL
D1
T1
LED+
RO CO
LED-
Figure 1. Application circuit
Product structureSilicon monolithic integrated circuit
.www.rohm.com
© 2014 ROHM Co., Ltd. All rights reserved.
TSZ2211114001
This product has no designed protection against radioactive rays.
1/15
TSZ02201-0F1F0C300030-1-2
15.Apl.2014 Rev.001

PagesPages 18
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