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PDF CMD8649 Data sheet ( Hoja de datos )
| Número de pieza | CMD8649 | |
| Descripción | Lens Motor Driver for Digital Still Camera | |
| Fabricantes | Ceramate Technical | |
| Logotipo |  |
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CMD8649
(Preliminary)
Lens Motor Driver for Digital Still Camera
1. Case Outline: SQFP48(7×7) Plastic Package
2. Function and Application: DSC driver
3. Absolute Maximum Ratings at Ta=25°C
Parameter
Symbol
Conditions
Maximum supply voltage
Max input application voltage
Max output application voltage
Maximum output current
Allowable power dissipation
Operating temperature
VB max
VCCmax
VIN max
VOUT max
Io max
Pd max
Topr
VB power supply
VCC power supply
per CH
Substrate mounting
Storage temperature
Tstg
(*1) Mounting substrate: 76.1mm×114.3mm×1.6mmt, glass epoxy
Ratings
10.5
10.5
10.5
10.5
600
1.0
-20 to +80
-55 to +150
Unit
V
V
V
mA
W
°C
°C
4. Allowable Operating Ranges at Ta=25°C
Parameter
Symbol
Conditions
Supply voltage range
VB1,2,3
VCC
(*2)
Input pin H voltage
VINH
Input pin L voltage
VINL
Constant voltage setting input range VOC
Constant current setting input range VOI
DatVaSCh1e,VeCt42U.com
IAE,ISH
(*2) NO hierarchical relationship between VB1, 2, VDD, VCC and VIN.
Example 1: VB1=VB2=VDD=2.4V(Battery power supply), VCC=4V (step-up power supply)
VIN (CPU power supply)=5V
Example 2: VB1=VB2=2.4V, VIN=3.3V, VDD=VCC=5V
Pd max - Ta
1.2
Mounted on a board(76.1mm×114.3mm×1.6mmt, glass epoxy)
1
Ratings
Unit
1.9 to 10
V
1.9 to 10
1.8 to 10 V
-0.3 to 0.4 V
0.1 to VB V DataShee
0.1 to 1.0 V
0.8
0.6
0.56
0.4
0.2
0
-20 0
20 40 60 80 100
Ambient Temperature, Ta - °C
(B8-6247)
DataSheet4U*.Acollmspecs and applications shown above subject to change without prior notice.
1F-5 NO.66 SEC.2 NAN-KAN RD ., LUCHU , TAOYUAN, TAIWAN
Email: [email protected]
Tel:886-3-3214525
Http: www.ceramate.com.tw
Fax:886-3-3521052
Page 1 of 8
Rev 0.1 Mar. 3,2004
DataSheet4 U .com
1 page  
www.DataSheet4U.com
CMD8649
(Preliminary)
Lens Motor Driver for Digital Still Camera
(3) VCM constant-current control for SH/AE or stepping motor drive
Input
Output
IN9 IN10 IN11 IN12 INHD OUT9 OUT10 OUT11 OUT12
LLLL
-- - -
HL * *
HL
LH* * L L H
* *HL
HL
* * LH
LH
HL * *
HL
LH* *
LH
* *HLH
* * LH
HL
LH
LLLL
-- - -
Vref
-
1.0V
0.67V
ISH
-
Set
voltage
condition
Discharge
Mode
Standby
SH
&
AE
Hole
Standby
et4U.com
-: Output OFF *: Don’t care
• OUT9 and 10 are for SH and have the stable start characteristics because of rapid charge and discharge circuits.
• OUT10 and 11 are for AE.
• At standby, the ISH pin voltage is put into the discharge condition by an internal transistor and set to 0 V.
•
•
ISH
The
pin is also in
Vref voltage
itshe1.d0isVchwairtghe1cNonHdDiti=on“L(fD”oaar ntraidsSe0h.c6eo7emVtp4eUwn.isctahotim1oNn)HwDh=en“IHN.”1
-
8
are
entered.
DataShee
8. Considerations for Design
(1) Constant-current setting (ISH, IAE, RFG1, 2, OUT9 to 12)
The constant current between OUT9 and OUT10 is set from the ISH input voltage and RFG1 connection resistance.
Control is made so that the voltage generated at a current detection resistor connected between RFG1 and GND is equal to the
ISH input voltage as shown in the block diagram. The output current is calculated as follows:
(Output current between OUT9 and OUT10) = (ISH input voltage)
DataSheet4U*.Acollmspecs and applications shown above subject to change without prior notice.
1F-5 NO.66 SEC.2 NAN-KAN RD ., LUCHU , TAOYUAN, TAIWAN
Email: [email protected]
Tel:886-3-3214525
Http: www.ceramate.com.tw
Fax:886-3-3521052
Page 5 of 8
Rev 0.1 Mar. 3,2004
DataSheet4 U .com
5 Page | ||
| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet CMD8649.PDF ] | |
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