BM1P105FJ Datasheet, PDF (1/31 Pages) Rohm – PWM Control IC

Datasheet
AC/DC Drivers
PWM Control IC
BM1P105FJ
● General
The PWM control IC for AC/DC “BM1P105FJ”
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:
BM1P105FJ: 100 kHz (Typ.)
 Operating temperature range:
-40°C to +85°C
● Application circuit
● Features
 PWM frequency: 100 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 65kHz Auto-restart
〇
BM1P062FJ 65kHz
Latch
〇
BM1P063FJ 65kHz Auto-restart
〇
BM1P064FJ 65kHz
Latch
〇
BM1P065FJ 65kHz Auto-restart
×
BM1P066FJ 65kHz
Latch
×
BM1P067FJ 65kHz Auto-restart
×
BM1P068FJ 65kHz
Latch
×
BM1P101FJ 100kHz Auto-restart
〇
BM1P102FJ 100kHz
Latch
〇
BM1P103FJ 100kHz Auto-restart
〇
BM1P104FJ 100kHz
Latch
〇
BM1P105FJ 100kHz Auto-restart
×
BM1P106FJ 100kHz
Latch
×
BM1P107FJ 100kHz Auto-restart
×
BM1P108FJ 100kHz
Latch
×
X-cap
discharge
〇
〇
×
×
×
×
×
×
〇
〇
×
×
×
×
×
×
Brown-out
〇
〇
×
×
〇
〇
×
×
〇
〇
×
×
〇
〇
×
×
Figure 1．Application Circuit
○ Product structure：Silicon monolithic integrated circuit ○This product is not designed for protection against radioactive rays
.www.rohm.com
© 2013 ROHM Co., Ltd. All rights reserved.
TSZ22111・14・001
1/27
TSZ02201-0F2F0A200170-1-2
2.Oct.2013.Rev.001