LB11981 Datasheet, PDF (2/7 Pages) Sanyo Semicon Device – Three-Phase Sensorless Motor Driver

LB11981
Operating Conditions at Ta = 25°C
Parameter
Symbol
Conditions
Ratings
Unit
Supply voltage 1
V_CC
*8 (5) to 28
V
Supply voltage 2
V_CCM
8 to 28
V
Note: * This device should normally be used with V_CC ≥ 8 V. If used with 5 V ≤ V_CC < 8 V, short the V_CC and V_REG pins together. Note that in this case the
electrical characteristics of the device become more easily influenced by fluctuations in the V_CC supply voltage.
Electrical Characteristics at Ta = 25°C, V_CC = V_CCM = 18 V
Parameter
Symbol
Conditions
Supply current 1
ICC
Supply current 2
Internal power supply
Internal supply load regulation
Output saturation voltage 1
Output saturation voltage 2
MCOM pin common-mode input voltage range
PCOUT pin output current 1
I_CCM
V_REF
∆V_REF
V_OSAT1
V_OSAT2
V_IC
IPCOU
LKC = 5 V
ILOAD = –5 mA
IO = 0.4 A, Source + Sink
IO = 0.8 A, Source + Sink
Source side
PCOUT pin output current 2
IPCOD Sink side
VCOIN pin input current
IVCOIN VCOIN = 4 V
Minimum VCO frequency
Maximum VCO frequency
fVCOmin VCOIN = open
fVCOmax VCOIN = 5 V
Maximum CX pin charge/discharge current
Icxmax VCOIN = 5 V
Minimum CX pin charge/discharge current
Icxmin VCOIN = open
Thermal shutdown circuit operating temperature TTSD
Thermal shutdown circuit hysteresis
∆TTSD
BFGO pin output saturation voltage
VsatFG
[Lock Detection Circuit]
Design target value *
Design target value *
ILOAD = 1 mA
LKC pin voltage threshold
Threshold level hysteresis
LKC pin charge current
Vth
∆Vth
Ichg
V (LKC) = 0 V
LKC pin discharge current
Idis V (LKC) = 4.2 V
LAT pin input current
ILAT V (LAT) = 0 V, V (LKC)= 4.2 V
LKO pin saturation voltage
[Low-Voltage Cutoff Circuit]
VsatLKO ILOAD = 1 mA, V(LKC) = 4.2 V
Low-voltage detection voltage
Hysteresis
[Forward/Reverse Circuit]
VT VREG pin detection
∆VF
INFR pin input current
IINFR V (INFR) = 5 V
INFR pin high-level input threshold voltage
INFR pin low-level input threshold voltage
VINH
VINL
Note: * Design target values are not tested.
Ratings
Unit
min
typ
max
8.8
11
13.2 mA
480
600
720
µA
4.75
5.0
5.25
V
30
50 mV
1.4
1.7
V
2.0
2.4
V
0
–120
V_CC – 2
V
–100
–80
µA
80
100
120
µA
1
2
µA
0.85
1
1.15 kHz
36
42
48 kHz
550
650
750
µA
11
14
17
µA
150
180
210
°C
15
°C
0.2
0.4
V
3.7
4
4.3
V
1.8
2
2.2
V
0.8
1
1.2
µA
0.52
0.65
0.78
µA
3.2
4
4.8
µA
0.2
0.4
V
38
4
4.2
V
150
180
210 mV
38
43
48
µA
3.0
V
1.0
V
No. 6656-2/7