LB1943 View Datasheet(PDF) - SANYO -> Panasonic
Part Name
Description
Manufacturer
LB1943 Datasheet PDF : 5 Pages
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Continued from preceding page.
LB1943
Parameter
Symbol
Conditions
Output voltage
VOUT1
VOUT2
RL = 60 Ω, VC = 2.5 V
VIN1 = 2.5 V, VIN2 = 0 V
RL = 60 Ω, VC = 2.5 V
VIN1 = 2.5 V, VIN2 = 5.0 V
Output leakage current
IOL
RL = ∞
Saturation voltage (upper)
V (sat)11
V (sat)12
VCC = 12V, IOUT = 300 mA
VCC = 12V, IOUT = 500 mA
Saturation voltage (lower)
V (sat)21
V (sat)22
VCC = 12V, IOUT = 300 mA
VCC = 12V, IOUT = 500 mA
Reference power supply
VREF
Reference voltage load characteristics
∆VREF/∆IREF IREF = 0 to –2.0 mA
Control-to-output gain
VOUT/VC, VC = 2.5 V, RL = 60 Ω
TSD operating temperature
TSTD
*
Note: Items marked with an asterisk (*) are design target values, and are not tested.
min
4.4
Ratings
typ
4.95
4.4
4.95
0.01
1.9
1.9
0.25
0.4
6.0
6.35
0.05
1.5
1.9
150
180
Unit
max
5.4
V
5.4
V
1.0 mA
2.2
V
2.3
V
0.5
V
0.65
V
6.8
V
0.1 V/mA
2.4
×
°C
Pin Assignment
1.4
1.2
1.0
0.8
0.6
0.4
0
-25
Pd max – Ta
Tj = 125 °C
0.6
0
25
50
75
100
Ambient temperature, Ta – °C
Truth Table
Input
IN1
IN2
Output voltage
OUT1 OUT2
Operation
H
H
L
FULL Forward (reverse) operation
M
H
L
VC × 2 Forward (reverse) operation
L
H
L
VC × 2 Forward (reverse) operation
H
M
OFF
OFF
Braking
M
M
OFF
OFF
Braking
L
M
OFF
OFF
Braking
H
L
FULL
L
Reverse (forward) operation
M
L
VC × 2
L
Reverse (forward) operation
L
L
VC × 2
L
Reverse (forward) operation
Input levels: VH: Over 4.2 V
VM: 2.0 to 3.0 V
VL: Under 1.0 V
IN1 and IN2 go to 2.5 V when left open.
LB1943 operation is equivalent to that of the LB1641.
No. 58062/5
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