converter LCDs BP5319 BP5319X BP5319 BP5319X converters supp

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converter LCDs BP5319 BP5319X BP5319 BP5319X converters supp

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BP5319 BP5319X
converter LCDs
BP5319 BP5319X
BP5319 BP5319X converters supplying power liquid crystal displays (LCDs) panels. These modules supply negative voltage from power supply They available single in-line package upright (BP5319) L-shaped lead (BP5319X) type.
!Applications panels copiers, facsimiles, personal computers, word processors, instruments, other displays
!Features Accurate output voltage. (-24V±0.75V) High conversion efficiency. (typically 75%) external resistor change output voltage. Built-in protection circuit. Built-in ON/OFF switch. Compact light. Available upright L-shaped lead type.
!Absolute maximum ratings 25°C)
Parameter Input voltage Output current voltage Operating temperature range Storage temperature range Symbol VCTL Topr Tstg Limits -10~+60 -30~+85 Unit
BP5319 BP5319X
!Pin descriptions
name VOUT Vref VCTL Function Output smoothing capacitor connection pin; connect low-impedance capacitor with recommended capacitance 47µF between this GND. Output Output voltage adjustment contrast; output voltages adjusted connecting resistor between pins pins Ground pin; pins internal connection. Output control pin; output starts when level OPEN, stops when HIGH level. Input pin; connect low-impedance capacitor with recommended capacitance 100µF between this GND.
!Electrical characteristics (Unless otherwise noted, Ta=25°C)
Parameter Symbol Min. Typ. Max. Unit Conditions
Input voltage Output current Output voltage Line regulation Load regulation Output voltage temperature coefficient Ripple noise voltage Conversion efficiency voltage when voltage when
IOUT VOUT VCTL VCTL
-24.75
-24.00
-23.25 0.24 0.24
mVPP
VIN=5V, IOUT=25mA VIN=4.55.5V, IOUT=25mA VIN=5V, IOUT=025mA VIN=5V, IOUT=25mA VIN=5V, IOUT=25mA VIN=5V,IOUT=25mA VIN=5V VIN=5V VIN=4.55.5V, VCTL=5V VIN=4.55.5V, VCTL=5V VIN=4.55.5V, VCTL=5V VIN=4.55.5V, VCTL=5V
(Alternatively, when Open) input current Current consumption when resistance resistance
Measured with bandwidth 20MHz. Ta=-1060°C
ICTL IOFF
BP5319 BP5319X
!Measurement circuit
(Low-impedance capacitor) (Low-impedance capacitor)
Fig.1
!Application example When increasing output voltage
When reducing output voltage
!Operation notes Place external capacitors near possible connection pins. particular, make sure minimize impedance between input-side capacitor (C1) (Reference value: length less than 50mm recommended copper foil 1.0mm wide 35µm thick.) Avoid frequent switching using times second maximum).
BP5319 BP5319X
!Electrical characteristic curves
Fig.2 possibility range
Fig.3 Output voltage Feedback resistance (R1,
Fig.4 Output voltage Feedback resistance (R2<100k)
!External dimensions (Units
SIP9
SIP9 forming)

converter LCDs BP5319 BP5319X BP5319 BP5319X converters supp

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