lb11947 Sanyo Semiconductor Corporation, lb11947 Datasheet - Page 3

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lb11947

Manufacturer Part Number
lb11947
Description
Pwm Current Control Type Dc Motor Driver + Switching Regulator
Manufacturer
Sanyo Semiconductor Corporation
Datasheet
Electrical Characteristics at Ta = 25°C, VBB = 45 V, VREF = 1.0 V
Motor Driver Block
Switching Regulator Block
Standby current dissipation
Operating current dissipation
Output saturation voltage 1
Output saturation voltage 2
Output saturation voltage 3
Output saturation voltage 4
Output leak current
Output sustaining voltage
Logic input voltage
(PWM,PHASE,MD,ST)
Logic input current
(PWM,PHASE,MD,ST)
Sense voltage
Reference current
CR pin current
Minimum noise cancel time
Output delay time
Measurement of through current
Logic OFF voltage
LVSD hysteresis width
TEO pin saturation voltage
Heat-generation warning temperature
Thermal shutdown temperature
Output voltage
Fluctuation of supply voltage
Load fluctuation
Output over-current Detection threshold voltage
Over-current detection delay time
OSC pin charge current
OSC pin discharge current
OSC maximum oscillation frequency
Soft start charge current
Parameter
VLSDOFF
VOSAT 1 I
VOSAT 2 I
VOSAT 3 I
VOSAT 4 I
I
I
VsatTEO Iload = –3 mA, Ta = 150°C
Foscmax
O
O
Symbol
IBB ON
IBB ST
∆V
∆V
VLHIS
VSUS
VE10
VE05
1 (leak) ST = 0 V, V
2 (leak) ST = 0 V, V
VE25
tDOT
Icosc
Idosc
VIHT
VILT
TSD
TdIP
IIHT
V
VtIP
VIH
IILT
ICR
tNC
tDO
VIL
ITR
Iref
IIH
TE
Iss
IIL
CC
CC
CC
1
2
ST = L
ST = H, Motor driver no-load
L = 26.6 mH, I
Ta = 25°C
Ta = 25°C
Ta = –20 to 85°C
Ta = –20 to 85°C
VIH = V
VIL = 0.8 V
VIH = V
VIH = 0.8 V, Ta = –20 to 85°C
VREF = 2.5 V
VREF = 1.0 V
VREF = 0.5 V
Vref = 1.0 V
CR = 1.0 V
C = 2200pF, R = 16 kΩ
PWM
Ta = –20 to 85°C
Pulse width of 500 ns or more
*1
*1
VBB = 10 to 45 V
I
fosc = 50kHz
V(OSC) = 1.0 V
V(OSC) = 2.5 V
V(CSS) = 0 V
O
O
O
O
O
= +1.0 A, sink
= +1.5 A, sink
= –1.0 A, source
= –1.5 A, source
= 0 to 0.5 A
CC
CC
output delay time
, Ta = –20 to 85°C
O
O
= VBB, sink
= 0 V, source
O
= 1.5 A
*1
*1
*1
LB11947
Conditions
*2
*1
*3
*1
*1
*4
*1
0.483
0.190
0.092
–1.38
min
–0.5
0.77
4.85
0.45
–50
–24
6.4
50
60
40
16
3
7
2
2
5
3
5
2
Ratings
–1.15
typ
135
180
–20
4.5
1.2
1.5
1.9
2.2
0.5
0.2
0.1
1.1
5.0
0.5
10
90
10
80
20
8
3
max
0.513
0.210
0.108
–0.92
1.43
0.45
5.15
0.55
120
150
–16
100
No. 7318 -3/14
1.5
1.8
2.3
2.5
0.8
0.8
0.5
1.2
1.2
9.6
13
50
15
20
50
50
24
6
1
4
Unit
kHz
mA
mA
mA
mV
mV
µA
µA
µA
µA
µA
µA
µA
°C
°C
µA
µA
µA
µs
µs
µs
µs
V
V
V
V
V
V
V
V
V
V
V
V
A
V
V
V
V
V

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