LB11870 Datasheet, PDF (2/14 Pages) Sanyo Semicon Device – Three-Phase Brushless Motor Driver for Polygonal Mirror Motors

LB11870
Allowable Operating Ranges at Ta = 25°C
Parameter
Supply voltage range
5 V constant voltage output current
LD pin applied voltage
LD pin output current
FGS pin applied voltage
FGS pin output current
Symbol
V_CC
IREG
VLD
ILD
VFGS
IFGS
Conditions
Electrical Characteristics at Ta = 25°C, V_CC = VM = 24 V
Parameter
Supply current 1
Supply current 2
[5 V Constant Voltage Output Circuit]
Output voltage
Voltage regulation
Load regulation
Temperature coefficient
[Output Block]
Output saturation voltage 1
Output saturation voltage 2
Output leakage current
Lower diode forward voltage 1
Lower diode forward voltage 2
Upper diode forward voltage 1
Upper diode forward voltage 2
[Hall Amplifier Block]
Input bias current
Common-mode input voltage range
Hall input sensitivity
Hysteresis width
Input voltage: Low to high
Input voltage: High to low
[FG Schmitt Block]
Input bias current
Common-mode input voltage range
Input sensitivity
Hysteresis width
Input voltage: Low to high
Input voltage: High to low
[PWM Oscillator]
High-level output voltage
Low-level output voltage
External capacitor charge current
Oscillator frequency
Amplitude
[FGS Output]
Output saturation voltage
Output leakage current
[CSD Oscillator Circuit]
High-level output voltage
Low-level output voltage
Amplitude
External capacitor charge current
External capacitor charge current
Oscillator frequency
Symbol
Conditions
I_CC1
I_CC2
In stop mode
VREG
∆VREG1
∆VREG2
∆VREG3
V_CC = 9.5 to 28 V
I_O = –5 to –20 mA
Design target value
Vosat1
Vosat2
I_Oleak
VD1-1
VD1-2
VD2-1
VD2-2
I_O = 0.5 A, V_O (SINK) + V_O (SOURCE)
I_O = 1.2 A, V_O (SINK) + V_O (SOURCE)
ID = –0.5 A
ID = –1.2 A
ID = 0.5 A
ID = 1.2 A
IHB
VICM
∆V_IN (HA)
VSLH
VSHL
IB (FGS)
VICM (FGS)
V_IN (FGS)
∆V_IN (FGS)
VSLH (FGS)
VSHL (FGS)
V_OH (PWM)
V_OL (PWM)
ICHG VPWM = 2 V
f (PWM) C = 680 pF
V (PWM)
V_OL (FGS) IFGS = 7 mA
IL (FGS) V_O = V_CC
V_OH (CSD)
V_OL (CSD)
V (CSD)
ICHG1
ICHG2
f (CSD) C = 0.068 µF
Ratings
Unit
9.5 to 28
V
0 to –20
mA
0 to 28
V
0 to 15
mA
0 to 28
V
0 to 10
mA
Ratings
Unit
min
typ
max
16
21 mA
3.5
5.0 mA
4.65
5.0
5.35
V
80
130 mV
10
60 mV
0
mV/°C
1.9
2.4
V
2.6
3.2
V
100
µA
1.0
1.3
V
1.4
1.8
V
1.2
1.6
V
1.9
2.4
V
–2
–0.5
µA
0
VREG – 2.0
V
80
mVp-p
15
24
42 mV
12
mV
–12
mV
–2
–0.5
µA
0
VREG – 2.0
V
80
mVp-p
15
24
42 mV
12
mV
–12
mV
2.65
2.95
3.25
V
0.9
1.2
1.5
V
–60
–45
–30
µA
34
kHz
1.45
1.75
2.05 Vp-p
0.15
0.5
V
10
µA
3.2
0.9
2.15
–13.5
6
3.5
3.8
V
1.1
1.3
V
2.4
2.65 Vp-p
–9.5
–5.5
µA
10
14
µA
29
Hz
Continued on next page.
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