
D2706 TI IM B8-6047 No.7895-1/6
LB8650T
Overview
LB8650T is a driver for digital still cameras.
Features
Two direct nickel hydride batteries for digital cameras embedded in one chip.
(1) Constant voltage control for AF - Stepping motor driver.
1-2 phase excitation, 2 phase excitation possible.
(2) Constant current control for SH - Solenoid coil driver
→ Built-in start-up correction circuit.
No standby current consumption (or zero).
Low voltage driving possible (1.9V to).
Low saturation output.
Built-in thermal protection circuitry.
Specifications
Absolute Maximum Ratings at Ta = 25
°C
Parameter
Symbol
Conditions
Ratings
Unit
Maximum power source voltage
VB max
VB power source
10.5
V
Maximum input applied voltage
VIN max
10.5
V
Maximum output applied voltage
VOUT max
10.5
V
Maximum output current
IO max
per CH
600
mA
Allowable power dissipation
Pd max
Mounted on a specified board (*1)
800
mW
Operating temperature
Topr
-10 to +80
°C
Storage temperature
Tstg
-55 to +150
°C
(*1) Mounted on a specified board: 114.3mm
×76.1mm×1.6mm, glass epoxy resin.
Allowable Operating Range at Ta = 25
°C
Parameter
Symbol
Conditions
Ratings
Unit
Power source voltage range
VB
1.9 to 10
V
Input pin high level voltage
VINH
(*2)
1.8 to 10
V
Input pin low level voltage
VINL
-0.3 to 0.4
V
Constant voltage setting input range
VOC
0.1 to VB
V
(*2) No hierarchical relationship between VB and VIN.
Ordering number : EN7895B
Monolithic Digital IC
Driver for Digital Still Cameras
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