LB8655T

No.8084-2/5

Allowable Operating Range at Ta = 25

°C

Parameter

Symbol

Conditions

Ratings

Unit

VB

(*2)

2.0 to 10

Source Voltage Range

VCC

2.0 to 10

V

Input Pin High Level Voltage

VINH

MD1, 2, IN1, 2, EN, INA, B

1.8 to 10

V

Input Pin Low Level Voltage

VINL

MD1, 2, IN1, 2, EN, INA, B

-0.3 to 0.4

V

Constant Voltage Setting Input Range

VOC

VC

-0.1 to VB

V

(*2) No restriction on priority among applied voltages of VB (Battery power source),

VCC (step-up power source) and VIN (CPU power source).

Example1 : VB = 3.3V, VCC = 4.0V, VIN = 5.0V

Example2 : VB = 3.3V, VIN = 5.0V

Electrical Characteristics at Ta = 25

°C, VB = VCC = 3V, Rf = 1Ω

Ratings

Parameter

Symbol

Conditions

min

typ

max

Unit

Standby Current Consumption

ICC0

VB = VCC = 8.0V MD1 to 3, IN1 to 4 = L

0.1

5.0

µA

ICC1

AF mode IN1 = H (2 phase excitation)

24

32

ICC2

AF mode IN1 = H (1 phase excitation)

14

21

ICC3

SH mode IN1 = L

40

52

VCC Operating Current Consumption

ICC4

SH mode IN1 = H RILM = 2k

Ω

16

20

mA

VB Operating Current Consumption

IB

ZOOM mode INA = H

8

15

mA

Reference Voltage

Vref

Iref = -500

µA

1.74

1.8

1.86

V

Reference Voltage start-up time

Tr

Design guaranteed

0.5

2.0

µs

Input Pin Current

IIN

VIN = 5.0V

70

90

µA

Overheat Protection Operation

Temperature

THD

Design guaranteed (*3)

160

180

200

°C

[Stepping motor driver for AF] (OUT2 to 3, OUT5 to 6)

Output Saturation Voltage 1

VSAT1

VCC = 3.3V, IO = 0.2A (upper and lower)

0.15

0.25

0.40

V

[AE driver] (OUT4 to 5)

Output Saturation Voltage 2

VSAT2

VCC = 3.3V, IO = 0.2A (upper and lower)

0.15

0.25

0.40

V

[SH driver] (OUT1 to 2)

Output Constant Current 1

IO1

OUT2

→OUT1 VCC = 3.0 to 3.7V, Rf = 0.53Ω

203

215

227

Output Constant Current 2

IO2

OUT1

→OUT2 VCC = 4.2V RILM = 1.6kΩ

162

180

198

mA

Output Saturation Voltage 3

VSAT3

VCC = 3.3V, IO = 0.2A (upper and lower)

0.2

0.3

0.45

V

[DC motor driver for ZOOM] (OUTA to B)

Output Constant Voltage

VO

VB = 3.0 to 3.7V, VC = 0.5V

2.41

2.53

2.65

V

Output Saturation Voltage 4

VSAT4

VB = 3.3V, IO = 0.3A (upper and lower)

0.20

0.35

0.45

V

Output Saturation Voltage 5

VSAT5

VB = 3.3V, IO = 0.3A (upper)

0.1

0.15

0.25

V

(*3) For the characteristic within the guaranteed temperature range, shipping check is performed at Ta = 25

°C.

For all temperature range, it is design guaranteed.