BD9241F
BD9241F is DC-AC Inverter Controller manufactured by ROHM.
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STRUCTURE PRODUCT NAME TYPE FUNCTION
Silicon Monolithic Integrated Circuit IC for DC-AC inverter control
BD9241F
1.For 36Vhigh voltage process/1ch Full Bridge control 2.Current, voltage feedback control 3.Built-in soft start circuit 4.Built-in timer-latch circuit 5.Built-in the malfunction preventing circuit (UVLO) when lower voltage 6.Shifting to current consumption save mode from STB terminal 7.External PWM,DC voltage control and current linear control
ABSOLUTE MAXIMUM RATINGS(Ta=25℃) Parameter Symbol Power Supply Voltage VCC Operating Temperature Range Topr Storage Temperature Range Tstg allowable loss Pd Junction Temperature Tjmax
Rating 36 -40~+85 -55~+150 687- +150
Unit V ℃ ℃ m W ℃
- Reduced by 5.5m W/℃ when Ta=25℃ or over (when 70.0mm×70.0mm×1.6mm board is mounting)
OPERATING Range Parameter Power Supply Voltage Terminal Voltage (SRT,RT,VS,IS,P,DUT Y) Drive output frequency BCT oscillation frequency
.
Symbol VCC f OUT f BCT
Range 9~30 -0.3~5.5 30~90 0.10~0.50
Unit V V k Hz k Hz
..
REV. A
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○ELECTRICAL CHARACTERISTICS(Ta=25℃,VCC=15V) Rating Symbol Parameter MIN Standard
( (devices whole) )
Circuit Current at operating Circuit Current when standby
5.0 10 VCC 0.8
Unit
Condition
ICC1 ICC2 Vst H Vst L
- - 2.0 -0.3
2.3 0 - - m A μA V V System ON System OFF DUTY Terminal 0.5V→2.0V Burst dimming 100%→0% DUTY Terminal 0.5V→2.0V Burst dimming 0%→100%
( (Standby control, SEL control) Standby Terminal voltageH Standby Terminal voltageL
: : : :
SEL Terminal voltage H
VSELH
-
SEL Terminal voltage L ( (TimerーLatch) ) Voltage setting time Current setting time ( (OSC Block) ) Active edge setting current MAX DUTY Soft start time SRT Terminal ON Resistant ( (UVLOBLOCK) ) Voltage starting operation Hysteresis width ( (Feedback system) ) IS Threshold voltage VS Threshold voltage IS Source current1 IS Source current 2 VS Source current ISP Detecting voltage ( (Output block) ) P1,P2 Output voltage H P1,P2 Output voltageL N1,N2 Output...