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ROHM Semiconductor - PWM Control IC

Numéro de référence BM1P065FJ
Description PWM Control IC
Fabricant ROHM Semiconductor 
Logo ROHM Semiconductor 





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BM1P065FJ fiche technique
Datasheet
AC/DC Drivers
PWM Control IC
BM1P065FJ
General
The PWM control IC for AC/DC “BM1P065FJ”
provides an optimum system for all products that
include an electrical outlet.
A built-in start circuit that withstands 650 V helps to
keep power consumption low. Both isolated and
non-isolated versions are supported, making for
simpler design of various types of low-power
converters. Switching MOSFET and current detection
resistors are external devices, thus achieving a higher
degree of freedom in power supply design. The
switching frequency is set as fixed. Since current mode
control is used, a current limit is imposed in each cycle,
and excellent performance is demonstrated in
bandwidth and transient response. With a light load,
frequency is reduced and higher efficiency is realized.
A frequency hopping function is also built in,
contributing to low EMI.
Also on chip are soft start and burst functions, a
per-cycle overcurrent limiter, VCC overvoltage
protection, overload protection, and other protection
functions.
Basic Specifications
Operating power supply voltage range: VCC 8.9 V to 26.0 V
VH: to 600 V
Operating current:
Normal: 0.60 mA (Typ.)
Burst mode: 0.35 mA (Typ.)
Oscillation frequency:
BM1P065FJ: 65 kHz (Typ.)
Operating temperature range:
-40°C to +85°C
Application circuit
Features
PWM frequency: 65 kHz
PWM current mode method
Frequency hopping function
Burst operation during light load / Frequency
reduction function
650 V start circuit
VCC pin undervoltage protection
VCC pin overvoltage protection
CS pin open protection
CS pin Leading-Edge-Blanking function
Per-cycle overcurrent limiter function
Overcurrent limiter with AC voltage compensation
function
Soft start function
Secondary overcurrent protection circuit
Package
SOP-J8
4.90 mm × 6.00 mm × 1.65 mm pitch 1.27 mm
(Typ.)
(Typ.) (Typ.)
(Typ.)
Applications
AC adapters, TVs, and household appliances
(vacuum cleaners, humidifiers, air cleaners, air
conditioners, IH cooking heaters, rice cookers, etc.)
Line-up
Frequency VCCOVP VCC recharge
BM1P061FJ
BM1P062FJ
BM1P063FJ
BM1P064FJ
BM1P065FJ
BM1P066FJ
BM1P067FJ
BM1P068FJ
BM1P101FJ
BM1P102FJ
BM1P103FJ
BM1P104FJ
BM1P105FJ
BM1P106FJ
BM1P107FJ
BM1P108FJ
65kHz
65kHz
65kHz
65kHz
65kHz
65kHz
65kHz
65kHz
100kHz
100kHz
100kHz
100kHz
100kHz
100kHz
100kHz
100kHz
Auto-restart
Latch
Auto-restart
Latch
Auto-restart
Latch
Auto-restart
Latch
Auto-restart
Latch
Auto-restart
Latch
Auto-restart
Latch
Auto-restart
Latch
×
×
×
×
×
×
×
×
X-cap
discharge
×
×
×
×
×
×
×
×
×
×
×
×
Brown-out
×
×
×
×
×
×
×
×
Figure 1Application Circuit
Product structureSilicon monolithic integrated circuit
.www.rohm.com
© 2013 ROHM Co., Ltd. All rights reserved.
TSZ2211114001
This product is not designed for protection against radioactive rays
1/27
TSZ02201-0F2F0A200170-1-2
2.Oct.2013.Rev.001

PagesPages 30
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