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LB1877M Datasheet(PDF) 2 Page - Sanyo Semicon Device

Part No. LB1877M
Description  Brushless Motor Driver with Speed Control for Portable Cassette Recorders
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Maker  SANYO [Sanyo Semicon Device]
Homepage  http://www.ssdc-jp.com/eng/
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LB1877M
No. 6199-2/7
Electrical Characteristics at Ta = 25
°C, V
CC = 2.4V
Parameter
Symbol
Conditions
Ratings
Unit
Measurement
min
typ
max
circuit
Power supply current
ICC1
S/S pin High level
4.0
mA
1
ICC2
S/S pin Low level (standby)
20
µA2
[S/S pin]
S/S pin High level
SSH
Start
1.5
VCC
V3
S/S pin Low level
SSL
Stop
0
0.3
V
4
[DR pin]
DR pin High level
DRH
Reverse
1.5
VCC
V9
DR pin Low level
DRL
Normal direction
0
0.3
V
10
[Internal reference voltage]
Internal reference voltage
VREF
Output current 0
µA
0.8
0.9
1.0
V
11
Output current
IREF
Output current 250
µA
25 mV/250
µA12
Reference voltage to power supply
∆VREF/∆V
CC VCC = 1.8 to 5.0V
5
mV/V
13
voltage characteristics
Reference voltage to temperature
∆IREF/∆Ta V
CC = 2.4V
– 0.1
0.3
mV/
°C
Target
characteristics
[OSC pin]
Charge current
Isc
3.0
4.5
6.0
µA14
[COM pin]
Sink current
ICOM
17
24
33
µA15
[LB pin]
Charge current
ILB
4.5
6.5
9.0
µA16
[VSP pin]
Input voltage range
VIN
VCC = 2.4V
0.15
1.8
V
17
Speed signal detection precision
VSP
VIN = 1V
420
500
580
mV
18
Speed signal relative precision
RSP
– 6
6
%
Target
Speed signal to power supply
∆VSP/∆V
CC VCC = 1.8 to 5.0V
2.5
mV/V
19
voltage characteristics
Speed signal to temperature
∆VSP/∆Ta
– 0.1
0.2
mV/
°C
Target
characteristics
[IN+ pin]
Input voltage range
VIN+
VCC = 2.4V
0.1
VCC – 0.7
V20
[OUT pin]
Output current
IOUT
VIN+ = 1V
25
30
47.3
µA21
[RI pin]
Current detection precision
VRI
RI = 10 k
Ω U, V, Wout = 2.3V
10
20
35
mV
22
[U, V, WOUT pins]
Output saturation voltage
Vsat
IO = 200 mA
0.25
V
23
[Thermal]
Thermal protection trigger temperature
TTSD
180
°C
Target
Temperature hysteresis width
∆TTSD
15
°C
Target
Note: Items shown to be Target are not measured.
0
0.2
0.4
0.5
0.6
0.8
0
20
406080
100
–10
Pd max – Ta
Ambient temperature, Ta –
°C




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