LB8650T Monolithic Digital Driver Digital Still Cameras

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LB8650T Monolithic Digital Driver Digital Still Cameras

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Ordering number EN7895B
LB8650T
Monolithic Digital
Driver Digital Still Cameras
LB8650T driver digital still cameras.
Features
direct nickel hydride batteries digital cameras embedded chip. Constant voltage control Stepping motor driver. phase excitation, phase excitation possible. Constant current control Solenoid coil driver Built-in start-up correction circuit. standby current consumption zero). voltage driving possible (1.9V to). saturation output. Built-in thermal protection circuitry.
Specifications
Absolute Maximum Ratings 25°C
Parameter Maximum power source voltage Maximum input applied voltage Maximum output applied voltage Maximum output current Allowable power dissipation Operating temperature Storage temperature Symbol VOUT Topr Tstg Mounted specified board (*1) Conditions power source Ratings 10.5 10.5 10.5 +150 Unit
(*1) Mounted specified board: glass epoxy resin. Allowable Operating Range 25°C
Parameter Power source voltage range Input high level voltage Input level voltage Constant voltage setting input range VINH VINL (*2) Symbol Conditions Ratings -0.3 Unit
(*2) hierarchical relationship between VIN.
SANYO Semiconductor products described contained herein have specifications that handle applications that require extremely high levels reliability, such life-support systems, aircraft's control systems, other applications whose failure reasonably expected result serious physical and/or material damage. Consult with your SANYO Semiconductor representative nearest before using SANYO Semiconductor products described contained herein such applications. SANYO Semiconductor assumes responsibility equipment failures that result from using products values that exceed, even momentarily, rated values (such maximum ratings, operating condition ranges, other parameters) listed products specifications SANYO Semiconductor products described contained herein.
D2706 B8-6047 No.7895-1/6
LB8650T
Electrical Characteristics 25°C, 2.4V,
Parameter Standby current consumption Operating current consumption ICC1 ICC2 Reference voltage Control iInput current Overheat protection operation temperature Constant current stepping motor driver AF/STP (OUT1, Output constant voltage Output saturation voltage VSAT1 VSAT2 driver (OUT5N) Output constant current Output saturation voltage VSAT2 0.20V, 0.20V, HOLD mode 0.25A (lower) 0.15 0.22 0.4V 0.2A (upper) 0.2A (lower) 1.57 1.66 0.15 1.74 0.22 Vref 0.4V 0.2V 0.4V Iref -1mA 5.0V Design guaranteed (*3) Symbol ICC0 4.0V Conditions Ratings Unit
(*3) characteristic within guaranteed temperature range, shipping check performed 25°C. temperature range, these design guarantee tested.
Package Dimensions
unit (typ) 3260A
Assignment
P-GND OUT1 OUT2 OUT3 OUT4 P-GND OUT5N OUT5P
VREF S-GND
(0.5) 0.22
0.15
(1.0)
1.2max
LB8650T
0.08
SANYO TSSOP24(225mil)
view
ILB01596
(Note) P-GND both 2-pins connected.
No.7895-2/6
LB8650T
Mounted specified board: glass epoxy resin
Allowable power dissipation,
ILB01605
Ambient temperature,
Truth Table (for AF/SH)
Input OUT1 OUT2 0.6V Hold 0.9V OUT3 OUT4 Brake SH-ready 0.9V Output OUT5P OUT5N Vref Standby Mode
Don't care. Output OFF. Constant voltage control with constant voltage output input voltage) times. OUT1, outputs input. OUT5P output input. necessary place oscillation-stopping capacitor (0.01µF) between output pins. formula calculating constant current output setting given below. IRFG (ICI input voltage) (RFG resistance value+0.05) This 0.05 common impedance output emitter which drives constant current sensing wiring constant current control amplifier.
No.7895-3/6
LB8650T
Application Example
Solenoid (constant current drive), stepping motor (constant voltage drive)
SH/SOL OUT5N
Vref 0.01 0.1µF P-GND OUT4 0.01µF OUT3
OUT1
OUT2
AF/STP
ILB01606
Timing chart solenoid
Rise correction
high. (Without low. (Without
SOL/IO
Rise correction coil current
preparing
closing HOLD closing operation
ILB01607
voltage shutter ready mode *LLLH input. *LLHH input, solenoid driven constant current control. input voltage with decay time constant larger than coil decay time constant using external rise correction occurs with respect coil wave. doing this, stable shutter operation carried with respect power source variations. (Note) rise compensation made without rise waveform coil current made decrease power. time constant lower than this waveform. *HLHH input, solenoid current controlled 2/3, becomes HOLD state. Constant current value setting: voltage/Rf (Note1) Consider capacitor between 0.01 0.1µF capacitance value that ensure oscillation problem transfer HOLD mode. particular, solenoid with high inductance should have allowance capacitance.
No.7895-4/6
LB8650T
Solenoid (constant voltage drive), stepping motor (constant voltage drive)
OUT5P 0.01 0.1µF SH/SOL P-GND OUT4 0.01µF OUT3
OUT1
OUT2
AF/STP
ILB01608
shutter mode *LLLH input. solenoid driven constant voltage LHLH. constant voltage output times input voltage. voltage controlled HOLD mode. OUT1, outputs input, becomes times constant voltage output.
Internal equivalent circuit diagram
SH/VCM
OUT5P
OUT5N
OUT3
Logic unit Constant current control Quick charge circuitry S-GND Quick discharge circuitry OUT1 Constant voltage output OUT4
OUT2
Vref
P-GND
Solenoid 0.01 0.1µF Voice coil 0.01 0.1µF
ILB01609
No.7895-5/6
LB8650T
Specifications SANYO Semiconductor products described contained herein stipulate performance, characteristics, functions described products independent state, guarantees performance, characteristics, functions described products mounted customer's products equipment. verify symptoms states that cannot evaluated independent device, customer should always evaluate test devices mounted customer's products equipment. SANYO Semiconductor Co., Ltd. strives supply high-quality high-reliability products. However, semiconductor products fail with some probability. possible that these probabilistic failures could give rise accidents events that could endanger human lives, that could give rise smoke fire, that could cause damage other property. When designing equipment, adopt safety measures that these kinds accidents events cannot occur. Such measures include limited protective circuits error prevention circuits safe design, redundant design, structural design. event that SANYO Semiconductor products (including technical data,services) described contained herein controlled under applicable local export control laws regulations, such products must exported without obtaining export license from authorities concerned accordance with above law. part this publication reproduced transmitted form means, electronic mechanical, including photocopying recording, information storage retrieval system, otherwise, without prior written permission SANYO Semiconductor Co., Ltd. information described contained herein subject change without notice product/technology improvement, etc. When designing equipment, refer "Delivery Specification" SANYO Semiconductor product that intend use. Information (including circuit diagrams circuit parameters) herein example only; guaranteed volume production. SANYO Semiconductor believes information herein accurate reliable, guarantees made implied regarding infringements intellectual property rights other rights third parties.
This catalog provides information December, 2006. Specifications information herein subject change without notice.
No.7895-6/6

LB8650T Monolithic Digital Driver Digital Still Cameras

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