LB11975 Datasheet, PDF (3/12 Pages) Sanyo Semicon Device – High-Speed CD-ROM Spindle Motor Driver IC

Continued from preceding page.
LB11975
Parameter
Symbol
Conditions
[PWM Oscillator]
High-level output voltage
Low-level output voltage
Amplitude
Oscillator frequency
Charge current
Charge resistor value
[CTL Amplifier]
VCTL pin input current
VCREF pin input current
Forward rotation gain
Reverse rotation gain
Forward rotation limiter voltage
Reverse rotation limiter voltage
Startup voltage
Dead zone
[FG Pin] (speed pulse output)
Low-level output voltage
Pull-up resistor value
[RS Pin]
Low-level output voltage
Pull-up resistor value
[Stop/Start Pin]
Low-level input voltage
High-level input voltage
Low-level input current
High-level input current
[Hall Device Power Supply]
Hall device supply voltage
Allowable current
V_OH(OSC)
V_OL(OSC)
V(OSC)
f(OSC) C = 2200 pF
I_CHG
R_DCHG
I_VCTL
I_VCREF
GDF⁺
GDF^–
V_RF1
V_RF2
V_CTH
V_DZ
V_CTL = V_CREF = 1.65 V
V_CTL = V_CREF = 1.65 V
Design target value *
Design target value *
V_CREF = 1.65 V. Design target value *
V_CREF = 1.65 V. Design target value *
V_FGL
R_FG
I_FG = 2 mA
V_RSL
R_RS
I_RS = 2 mA
V_SSL
V_SSH
I_SSL
I_SSH
V_SS = 0 V
V_SS = 5.0 V
V_H
I_H = 5 mA
I_H
Note: * These are design target values and are not tested.
Truth Table
Input
IN1 IN2
1
H
L
2
H
L
3
H
H
4
L
H
5
L
H
6
L
L
Control voltage V_CTL
IN3
H
H
L
H
L
L
H
L
L
H
L
L
H
H
L
H
H
L
Output
Source → Sink
OUT2 → OUT1
OUT1 → OUT2
OUT3 → OUT1
OUT1 → OUT3
OUT3 → OUT2
OUT2 → OUT3
OUT1 → OUT2
OUT2 → OUT1
OUT1 → OUT3
OUT3 → OUT1
OUT2 → OUT3
OUT3 → OUT2
FG output
FG1 FG2
L
H
L
L
L
H
H
L
H
H
H
L
FG1
FG2
Ratings
Unit
min
typ
max
3.1
3.3
1.4
1.6
1.5
1.7
23.0
–110
–94
1.6
2.1
3.5
V
1.8
V
1.9 Vp-p
kHz
–83
µA
2.6
kΩ
–2
–2
0.20
–0.30
0.26
0.26
1.50
35
0.25
–0.25
0.29
0.29
80
0.30
–0.20
0.32
0.32
1.80
140
µA
µA
times
times
V
V
V
mV
0.4
V
7.5
10
12.5
kΩ
0.4
V
7.5
10
12.5
kΩ
0
0.7
V
2.0
V_CC1
V
–1
0
µA
50
200
µA
0.65
0.85
1.05
V
20 mA
No. 6497-3/12