MB39A102 Fujitsu, MB39A102 Datasheet
MB39A102
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MB39A102 Summary of contents
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... MB39A102 DESCRIPTION The MB39A102 is a 4-channel DC/DC converter IC using pulse width modulation (PWM). This IC is ideal for up conversion, down conversion, and up/down conversion. 4ch is built in TSSOP-30P/BCC-32P package. Each channel can be controlled, and soft-start. This is an ideal power supply for high-performance portable devices such as digital still cameras. ...
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... MB39A102 PIN ASSIGNMENTS CS2 1 INE2 2 FB2 3 DTC2 4 VCC 5 CTL 6 VREF GND 10 CSCP 11 DTC3 12 FB3 13 INE3 14 CS3 15 2 (TOP VIEW (FPT-30P-M04) CS1 INE1 FB1 DTC1 VCCO OUT1 OUT2 OUT3 OUT4 GNDO INS DTC4 ...
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... DTC2 1 32 VCC 2 CTL 3 VREF GND 7 CSCP 8 N. (TOP VIEW) (Penetration fig from surface (LCC-32P-M08) MB39A102 25 DTC1 24 VCCO 23 OUT1 22 OUT2 21 OUT3 20 OUT4 19 GNDO 18 INS 17 DTC4 3 ...
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... MB39A102 PIN DESCRIPTION Pin No. PKG TSSOP BCC CH1 CH2 CH3 CH4 OSC Control Power ...
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... Error Amp Power Supply SCP Comp. Power Supply H:UVLO release Error Amp Reference UVLO bias 1.24 V Power VREF VR1 ON/OFF 0.9 V Accuracy CTL 1% 0 VREF GND MB39A102 26 VCCO 25 OUT1 24 OUT2 OUT3 23 22 OUT4 21 GNDO 5 VCC 6 CTL (Power/ ON OFF (Standby mode) VTH 1 ...
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... MB39A102 ABSOLUTE MAXIMUM RATINGS Parameter Symbol Power supply voltage V CC Output current I O Output peak current I OP Power dissipation P D Storage temperature T STG * : The packages are mounted on the epoxy board (10 cm WARNING: Semiconductor devices can be permanently damaged by application of stress (voltage, current, temperature, etc ...
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... V 3, 13, 18, 28 FB1 to FB4 0. 14, 17, 29 INE1 to INE4 13, 18 13, 18 13, 18 13, 18 13, 18, 28 FB1 to FB4 0. 13, 18, 28 FB1 to FB4 0.65 V MB39A102 (VCC VCCO Value Unit Min Typ Max 1.98 2.00 2. ...
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... MB39A102 (Continued) Parameter Symbol Threshold voltage Input current Output source I SOURCE current Output sink current Output ON resistance Threshold voltage Input bias current CTL input voltage Input current Standby current Power supply current *: Standard design value. 8 Pin No. Conditions V 22, 23, 24, 25 Duty cycle ...
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... CTL terminal Current vs. CTL terminal Voltage 200 VCC 4 V 180 VREF 0 mA 160 CTL 3 V 140 120 100 CTL terminal voltage V (V) CTL MB39A102 CTL 3 V VREF ( VCC (V) CTL (Continued) 9 ...
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... MB39A102 Triangular Wave Oscillation Frequency vs. Timing Resistor 10000 1000 100 CT 560 Timing resistor R Triangular Wave Upper and Lower Limit Voltage vs. Triangular Wave Oscillation Frequency 1. 1.10 VCC 4 V CTL 0.90 0.80 0.70 0.60 0.50 0.40 0.30 0.20 0 200 400 600 Triangular wave oscillation frequency f Triangular Wave Oscillation Frequency vs ...
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... 2 180 Power Dissipation vs. Ambient Temperature 1000 980 800 600 400 200 100 Ambient temperature MB39A102 240 OUT 1.5 V 1.24 V Error Amp1 the same as other channels (BCC-32P 100 11 ...
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... MB39A102 FUNCTIONS 1. DC/DC Converter Functions (1) Reference voltage block (Ref) The reference voltage circuit generates a temperature-compensated reference voltage (2.0 V Typ) from the voltage supplied from the power supply terminal (pin 5). The voltage is used as the reference voltage for the IC’s internal circuitry. The reference voltage can supply a load current external device through the VREF terminal (pin 7) ...
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... OFF GND ON ON GND ON OFF GND ON OFF High-Z ON OFF High connected to the CSCP terminal (pin 11). SCP OUT1 OUT2 MB39A102 CH2 CH3 CH4 OFF OFF OFF OFF OFF OFF OFF OFF OFF ON OFF OFF OFF ON OFF OFF OFF ...
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... MB39A102 SETTING THE OUTPUT VOLTAGE INEX R2 CSX SETTING THE TRIANGULAR OSCILLATION FREQUENCY The triangular oscillation frequency is determined by the timing capacitor (C 9), and the timing resistor (R ) connected to the RT terminal (pin 8). T Moreover, it shifts more greatly than the calucuated values according to the constant of timing resistor (R the triangular wave oscillation frequency exceeds 1 MHz. Therefore, set it referring to “ ...
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... The soft-start time is obtained from the following formula: Soft-start time: ts (time to output 100 0.103 INEX R2 CH ON/OFF signal OFF CTLX C SX VREF 12 A CSX FBX Soft-Start Circuit MB39A102 connected therefore determined by L priority Error Amp 1.24 V UVLO X : Each channel No. 15 ...
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... MB39A102 TREATMENT WITHOUT USING CS TERMINAL When not using the soft-start function, open the CS1 terminal (pin 30) , the CS2 terminal (pin 1) , the CS3 terminal (pin 15) , the CS4 terminal (pin 16) . “OPEN” “OPEN” 16 “OPEN” 1 CS2 CS1 30 15 CS3 CS4 16 Without Setting Soft-Start Time ...
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... V O FBX R1 INEX R2 VREF INS CSCP 11 C SCP Timer-latch short-circuit protection circuit connected to the CSCP terminal to be charged SCP Error Amp 1. SCP Comp. SCP 1 V CTL VREF S R UVLO Latch MB39A102 1. each channel Drive X : Each channel No. 17 ...
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... MB39A102 TREATMENT WITHOUT USING CSCP TERMINAL When not using the timer-latch short-circuit protection circuit, connect the CSCP terminal (pin 11) to GND with the shortest distance GND 11 CSCP Treatment without using CSCP ...
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... When the DTC terminal is not used, connect it directly to the VREF terminal (pin 7) as shown below (when no dead time is set). 7 VREF When using DTC to set dead time 7 Rb VREF Ra Rb DTCX DTCX VREF When no dead time is set MB39A102 Ra Rb Vdt X : Each channel No Each channel No. 19 ...
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... MB39A102 I/O EQUIVALENT CIRCUIT Reference voltage block 5 VCC 1.24 V 77.3 k 124 k 10 GND Short detection block VREF (2 CSCP GND Error amplifier block (CH1 to CH4) VCC VREF (2.0 V) INEX CSX 1.24 V GND PWM comparator block (CH1 to CH4) VCC FBX DTCX GND 20 Control block 6 CTL ...
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... C1 0 CH1 OUT1 OUT2 CH2 24 OUT3 23 CH3 OUT4 CH4 22 GNDO 21 180 4700 pF VCC 5 6 CTL OSC VREF GND Accuracy 10% C30 0.1 F MB39A102 2 250 4 2 2 ...
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... MB39A102 PARTS LIST COMPONENT ITEM Q1, Q2, Q4 Pch FET Q5 NPN Tr D1, D7 Diode Diode L2 Inductor L3 Inductor L4 Inductor T1, T2 Transformer C1, C2 Ceramics Condenser C4, C8, C13 Ceramics Condenser C6 Ceramics Condenser C9 to C11 Ceramics Condenser C14, C15 Ceramics Condenser C16 Ceramics Condenser C17 Ceramics Condenser ...
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... 2 3.3 V, 500 500 kHz OSC 3.5 4.0 4.5 5.0 5.5 6.0 6.5 Input voltage V ( Include external SW Tr operating current CH2 and CH3 are discontinuance. 3.5 4.0 4.5 5.0 5.5 6.0 Input voltage V (V) IN MB39A102 7 6.5 7.0 (Continued) 23 ...
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... MB39A102 100 100 Conversion Efficiency vs. Load Current (CH1 discontinuance mode O 50 100 150 200 Load current I 1 (mA) O Conversion Efficiency vs. Load Current (CH2, CH3) CH2 CH3 Note : CH2 and CH3 are discontinuance mode. ...
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... Conversion Efficiency vs. Load Current 100 175 mA : discontinuance mode 100 200 300 Load current I O MB39A102 CH4 ( ) VIN 3.6 V CH1 to CH3 : OFF 400 500 600 4 (mA) (Continued) 25 ...
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... MB39A102 (Continued Switching Wave Form (CH1 Switching Wave Form (CH4 VIN 4 V CTL VIN ...
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... Do not apply negative voltages. The use of negative voltages below –0.3 V may create parasitic transistors on LSI lines, which can cause abnormal operation. ORDERING INFORMATION Part number MB39A102PFT MB39A102PV between body and ground. Package 30-pin plastic TSSOP (FPT-30P-M04) 32-pad plastic BCC (LCC-32P-M08) MB39A102 Remarks 27 ...
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... MB39A102 PACKAGE DIMENSIONS 30-pin plastic TSSOP (FPT-30P-M04) 7.80±0.10(.307±.004) INDEX 0.50(.020) (.008±.001) 0.10(.004) 0.10(.004) 7.00(.276) 2001 FUJITSU LIMITED F30007SC-1 "A" +0.20 4.40 6.40±0.10 –0.10 +.008 (.252±.004) .173 –.004 0.20±0.03 0.3865(.0152) 0.90±0.05 (.035±.002) 0.3865(.0152) Details of " ...
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... Details of "A" part Details of "B" part 0.14(.006) 0.40±0.06 C0.2(.008) MIN (.016±.002) 0.30±0.06 (.012±.002) MB39A102 4.20(.165)TYP 0.50±0.10 (.020±.004) 25 3.00(.118) 4.15(.163) REF REF "A" "B" 1 3.00(.118)REF 4.15(.163)REF Details of " ...
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... MB39A102 FUJITSU LIMITED All Rights Reserved. The contents of this document are subject to change without notice. Customers are advised to consult with FUJITSU sales representatives before ordering. The information and circuit diagrams in this document are presented as examples of semiconductor device applications, and are not intended to be incorporated in devices for actual use. Also, ...