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UA1538-QM1-T Arkusz danych(PDF) 8 Page - Unisonic Technologies

Numer części UA1538-QM1-T
Szczegółowy opis  4-CH MOTOR DRIVER FOR PORTABLE CD PLAYERS
Download  18 Pages
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Producent  UTC [Unisonic Technologies]
Strona internetowa  http://www.utc-ic.com
Logo UTC - Unisonic Technologies

UA1538-QM1-T Arkusz danych(HTML) 8 Page - Unisonic Technologies

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UA1538
LINEAR INTEGRATED CIRCUIT
UNISONICTECHNOLOGIESCO.,LTD
8
www.unisonic.com.tw
QW-R109-023,B
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Dead Time
DEAD Pin Impedance
RDEAD
52
65
78
DEAD Pin Output Voltage
VDEAD
0.78
0.88
0.98
V
Starter Circuit
Starter Switching Voltage
VSTNM
VSYS1=VSYS2=0→3.2V,
START=0V
2.3
2.5
2.7
V
Starter Switching Hysteresis Width
VSNHS
START=0V
130
200
300
mV
Discharge Release
VDIS
1.63
1.83
2.03
V
Empty Detection
EMP Detection Voltage 1
VEMPT1
VSEL=0V
2.1
2.2
2.3
V
EMP Detection Voltage 2
VEMPT2
ISEL=- 2µA
1.7
1.8
1.9
V
EMP Detection Hysteresis Voltage 1
VEMHS1
VSEL=0V
25
50
100
mV
EMP Detection Hysteresis Voltage 2
VEMHS2
ISEL=- 2µA
25
50
100
mV
EMP Pin Output Voltage
VEMP
Io=1mA, BSEN=1V
0.5
V
EMP Pin Output Leak Current
IEMPL
BSEN=2.4V
1.0
μA
BSEN Pin Input Resistance
RBSEN
VSEL=0V
17
23
27
BSEN Pin Leak Current
IBSENL
VSYS1=VSYS2=0V
BSEN=4.5V
1.0
V
SEL Pin Detection Voltage
VSELTH
VSELTH=BATT-SEL
BSEN=2.0V
1.5
V
SEL Pin Detection Current
ISELT
-2
μA
Reset Circuit
VSYS1 RESET Threshold Voltage
Ratio
HSRT
Comparison with error amplifier
threshold voltage
85
90
95
%
RESET Detection Hysteresis Width
VRSTHS
25
50
100
mV
RESET Pin Output Voltage
VRST
Io=1mA, VSYS1=VSYS2=2.8V
0.5
V
RESET Pin PULL UP Resistance
RRST
72
90
108
AMUTE Pin Output Voltage 1
VAMT1
Io=-1mA, VSYS1=VSYS2=2.8V
BATT
-0.4
BATT
V
AMUTE Pin Output Voltage 2
VAMT2
Io=-1mA, START=0V,
VSYS1=VSYS2=0V
BATT
-0.4
BATT
V
AMUTE Pin PULL DOWN
Resistance
RAMT
77
95
113
Op Amp
Input Bias Current
IBIAS
OP+=1.6V
300
nA
Input Offset Voltage
VOIOP
-5.5
0
5.5
mV
High Level Output Voltage
VOHOP
RL=OPEN
2.8
V
Low level Output Voltage
VOLOP
RL=OPEN
0.2
V
Output Drive Current (Source)
ISOU
50ΩGND
-6.5
-3.0
mA
Output Drive Current (Sink)
ISIN
50ΩVSYS1
0.4
0.7
mA
Open Loop Voltage Gain
GVO
VIN=-75dBV, f=1kHz
70
dB
Slew Rate
SR
0.5
V/μs
Battery Charging Circuit
RCHG Pin Bias Voltage
VRCHG
CHGVcc=4.5V, RCHG=1.8kΩ.
0.71
0.81
0.91
V
RCHG Pin Output Resistance
RRCHG
CHGVcc=4.5V, RCHG=0.5 and
0.6V
0.75
0.95
1.20
SEL Pin Leak Current 1
ISELLK1
CHGVcc=4.5V, RCHG=OPEN,
BATT=4.5V
1.0
μA
SEL Pin Leak Current 2
ISELLK2
CHGVcc=0.6V, RCHG=1.8kΩ,
BATT=4.5V
1.0
μA
SEL Pin Saturation Voltage
VSELCG
CHGVcc=4.5V, Io=300mA,
RCHG=0Ω
0.45
1.00
V


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