Product Summary

The Fujitsu MB3769A is a pulse-width-modulation controller which is applied to fixed frequency pulse modulation technique. The MB3769A contains wide band width Op-Amp and high speed comparator to construct very high speed switching regulator system up to 700 kHz. Output is suitable for power MOS FET drive owing to adoption of totem pole output.The MB3769A provides stand-by mode at low voltage power supply when it is applied in primary control system.

Parametrics

ABSOLUTE MAXIMUM RATINGS:
(1)Power Supply Voltage, Vcc: 20 V;
(2)Output Current, Iout:120 (660 Note1) mA;
(3)Operation Amp. Input Voltage, Vin (OP): VCC + 0.3 (≤20) V;
(4)Power Dissipation: DIP:PD 1000(note2)mW;FPT:PD 620(note3)mW;
(5)Operating Temp. : DIP--Top= -30℃ to +85℃;FPT--Top=-30℃ to +75℃;
(6)Storage Temp,TSTG: -55℃ to +125℃.
Note:
(1)Duty ≤ 5%
(2)TA = 25℃
(3)TA = 25℃, FPT package is mounted on the epoxy board.(4 cm x 4 cm x 0.15 cm)

Features

(1)High frequency oscillator (f = 1 to 700 kHz); (2)On-chip wide band frequency operation amplifier (BW=8MHz typ.); (3)On-chip high speed comparator (td = 120 ns typ.); (4)Internal reference voltage generator provides a stable reference supply(5 V ± 2%); (5)Low power dissipation (1.5 mA typ. at standby mode, 8 mA typ. at operating mode); (6)Output current ± 100 mA (± 600 mA at peak); (7)High speed switching operation (tr=60ns, tf=30 ns, CL=1000pF typ.); (8)Adjustable Dead-time; (9)On-chip soft start and quick shut down functions; (10)Internal circuitry prohibits double pulse at dynamic current limit operation; (11)Under voltage lock out function (OFF to ON: 10 V typ. ON to OFF: 8V typ.); (12)On-chip output shut down circuit with latch function at over voltage; (13)On-chip Zener diode (15 V)

Diagrams

<IMG border=0 src="http://www.seekic.com/uploadfile/ic-mfg/20128253125686.jpg">

Image Part No Mfg Description Data Sheet Download Pricing
(USD)		 Quantity
MB3769A
MB3769A
Other

Data Sheet
Negotiable 
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(USD)		 Quantity
MB3759
MB3759
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MB3759PF-G-BND-JNE1
MB3759PF-G-BND-JNE1

IC PWM CTRLR PP SE 16SOP
Data Sheet
0-1: $0.80
1-10: $0.71
10-50: $0.64
50-100: $0.56
100-250: $0.49
250-500: $0.43
500-1000: $0.34
1000-2500: $0.32
2500-5000: $0.30
MB3759PF-G-BND-JN-ERE1
MB3759PF-G-BND-JN-ERE1

IC PWM CTRLR PP SE 16SOP
Data Sheet
0-1: $0.82
1-10: $0.73
10-50: $0.66
50-100: $0.57
100-250: $0.50
250-500: $0.45
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MB3761
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MB3763
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MB3763H
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