LB11870_07 Datasheet, PDF (3/14 Pages) Sanyo Semicon Device – For Polygonal Mirror Motors Three-Phase Brushless Motor Driver

LB11870
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Parameter
Symbol
Conditions
[PWM Oscillator]
High-level output voltage
Low-level output voltage
External capacitor charge
current
Oscillator frequency
VOH(PWM)
VOL(PWM)
ICHG
VPWM=2V
f(PWM)
C=680pF
Amplitude
V(PWM)
[FGS Output]
Output saturation voltage
Output leakage current
[CSD Oscillator Circuit]
VOL(FGS)
IL(FGS)
IFGS=7mA
VO=VCC
High-level output voltage
Low-level output voltage
Amplitude
VOH(CSD)
VOL(CSD)
V(CSD)
External capacitor charge
current
External capacitor charge
current
Oscillator frequency
ICHG1
ICHG2
f(CSD)
C=0.068μF
[Phase Comparator Output]
High-level output voltage
Low-level output voltage
Output source current
VPDH
VPDL
IPD+
IOH=-100μA
IOL=100μA
VPD=VREG/2
Output sink current
IPD-
VPD=VREG/2
[Lock Detection Output]
Output saturation voltage
Output leakage current
[Error Amplifier Block]
VOL(LD)
IL(LD)
ILD=10mA
VO=VCC
Input offset voltage
Input bias current
VIO(ER)
IB(ER)
Design target value*
Output H level voltage
Output L level current
DC bias level
VOH(ER)
VOL(ER)
VB(ER)
IOH=-500μA
IOL=500μA
[Current limiter Circuit]
Drive gain 1
GDF1
When the phase is locked
Drive gain 2
GDF2
When not locked
Limiter voltage
[Thermal Shutdown Operation]
VRF
VCC-VM
Thermal shutdown operating
temperature
Hysteresis width
TSD
ΔTSD
Design target value*
(junction temperature)
Design target value*
(junction temperature)
[Low-Voltage Protection]
Operating voltage
VSD
Hysteresis width
ΔVSD
*: These value are design guarantee values, and are not tested.
Ratings
min
typ
2.65
2.95
0.9
1.2
-60
-45
34
1.45
1.75
0.15
3.2
3.5
0.9
1.1
2.15
2.4
-13.5
-9.5
6
10
29
VREG-0.2
VREG-0.1
0.2
1.5
0.15
-10
-1
VREG-1.2
-5%
VREG-0.9
0.9
VREG/2
0.4
0.5
0.8
1.0
0.45
0.5
150
175
40
unit
max
3.25
V
1.5
V
-30
μA
kHz
2.05 Vp-p
0.5
V
10
μA
3.8
V
1.3
V
2.65 Vp-p
-5.5
μA
14
μA
Hz
V
0.3
V
-0.5
mA
mA
0.5
V
10
μA
10
mV
1
μA
V
1.2
V
5%
V
0.6
deg
1.2
deg
0.55
V
°C
°C
8.1
8.45
0.2
0.35
8.9
V
0.5
V
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No.7256-3/14