DC/DC converter step-up BP5326 Suitable panels, tuner power

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DC/DC converter step-up BP5326 Suitable panels, tuner power

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BP5326
DC/DC converter step-up
BP5326
Suitable panels, tuner power supply. Only additional electrolysis capacitor, source step-up power supply constituted easily.
Applications panel, Tuner.
Features High conversion efficiency. Built-in protection circuit. Built-in switch. Compact light. Surface mounting possible because parts concentrated side.
Absolute maximum ratings (Ta=25°C)
Parameter Power supply voltage Operating temperature range Storage temperature range Symbol Topr Tstg Limits Unit
Block diagram
TRANSFORMER
CURRENT SENSOR
CTRL
CONTROL CIRCUIT
VCTL
Vref
VOUT
Rev.A
BP5326
descriptions
name VOUT Vref VCTL Function Output smoothing capacitor connection connect low-impedance capacitor with recommended capacitance 47µF between this GND. Output pin. Output voltage adjustment contrast output voltage adjusted connecting resistor between pins pins Ground pin. Output ON/OFF control output starts when HIGH level, stops when OPEN. Input connect low-impedance capacitor with recommended capacitance 100µF between this GND.
Electrical characteristics (Unless otherwise noted, Ta=25°C, VCTL=5V, resistors disconnected)
Parameter Input voltage Output current Output voltage Output voltage when Ripple noise voltage Efficiency voltage when voltage when current Current consumption when
Measured with band width MHz.
Symbol IOUT VOUT1 VOUT2 VCTL
Min. 28.0
Typ. 29.5
Max. 31.0
Unit mVP-P
Conditions VIN=4.5 5.5V, IOUT=0 25mA VIN=4.5 5.5V, VCTL=0V VIN=5V, IOUT=20mA VIN=5V, IOUT=20mA VIN=5V, Vo>28V VIN=5V, Vo<0.3V VIN=5V, VCTL=1.5V VIN=5V, VCTL=0V
VCTL
(Alternatively, when OPEN)
ICTL
IOFF
Measurement circuit Application example
BP5326
sure fuse safety
VOUT
VCTL
Fig.1
100mF (Low impedance) 47mF (Low impedance) Resistors adjusting output voltage (Contrast adjustment)
Rev.A
BP5326
Electrical characteristics curves Place external capacitors near possible connection pins. particular make sure minimize impedance between input-side capacitor (C1) pin9. length less than 50mm recommended copper foil 1.0mm wide 35µm trick. Avoid frequent switching using (five times second maximum). resistors, which used changing output voltage, usually required.
VIN=5V
OUTPUT VOLTAGE
VIN=5V
OUTPUT VOLTAGE:
100k
100k
FEED BACK RESISTANCE
FEED BACK RESISTANCE
Fig.2 Output voltage
Fig.3 Output voltage
feedback resistance (R1)
feedback resistance (R2)
External dimensions (Unit
BP5326
26.0 Max. Max.
Unmarked side
14.7 Max.
Marked side
3±0.5
0.25±0.05
P=2.54±0.2 0.5±0.1 1.3±0.2 1.3±1.2
SIP9
Rev.A
Appendix
Notes
technical content pages this document reproduced form transmitted means without prior permission ROHM CO.,LTD. contents described herein subject change without notice. specifications product described this document reference only. Upon actual use, therefore, please request that specifications separately delivered. Application circuit diagrams circuit constants contained herein shown examples standard operation. Please careful attention peripheral conditions when designing circuits deciding upon circuit constants set. data, including, limited application circuit diagrams information, described herein intended only illustrations such devices specifications such devices. ROHM CO.,LTD. disclaims warranty that such devices shall free from infringement third party's intellectual property rights other proprietary rights, further, assumes liability whatsoever nature event such infringement, arising from connected with related such devices. Upon sale such devices, other than buyer's right such devices itself, resell otherwise dispose same, express implied right license practice commercially exploit intellectual property rights other proprietary rights owned controlled ROHM CO., LTD. granted such buyer. Products listed this document antiradiation design.
products listed this document designed used with ordinary electronic equipment devices (such audio visual equipment, office-automation equipment, communications devices, electrical appliances electronic toys). Should intend these products with equipment devices which require extremely high level reliability malfunction with would directly endanger human life (such medical instruments, transportation equipment, aerospace machinery, nuclear-reactor controllers, fuel controllers other safety devices), please sure consult with sales representative advance. About Export Control Order Japan Products described herein objects controlled goods Annex (Item Export Trade Control Order Japan. case export from Japan, please confirm applies "objective" criteria "informed" MITI clause) basis "catch controls Non-Proliferation Weapons Mass Destruction.
Appendix1-Rev1.1

DC/DC converter step-up BP5326 Suitable panels, tuner power

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