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UA1538G-QM1-Y bảng dữ liệu(PDF) 8 Page - Unisonic Technologies

tên linh kiện UA1538G-QM1-Y
Giải thích chi tiết về linh kiện  4-CH MOTOR DRIVER FOR PORTABLE CD PLAYERS
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nhà sản xuất  UTC [Unisonic Technologies]
Trang chủ  http://www.utc-ic.com
Logo UTC - Unisonic Technologies

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UA1538
LINEAR INTEGRATED CIRCUIT
UNISONICTECHNOLOGIESCO.,LTD
8 of 21
www.unisonic.com.tw
QW-R109-023,C
ELECTRICAL CHARACTERISTICS(Cont.)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX UNIT
H-BRIDGE DRIVER PART
MUTE2 OFF Threshold Voltage
VM2OFF
IN2=1.8V
0.8
V
MUTE34 ON Threshold Voltage
VM34ON
IN3=IN4=1.8V
0.8
V
MUTE34 OFF Threshold Voltage
VM34OFF IN3=IN4=1.8V
2.0
V
VREF ON Threshold Voltage
VREFON
IN1=IN2=IN3=IN4=1.8V
1.2
V
VREF OFF Threshold Voltage
VREFOFF IN1=IN2=IN3=IN4=1.8V
0.8
V
BRAKE1 Brake Current
IBRAKE1
Current difference between BRAKE
pin "H" time and "L" time.
4
7
10
mA
PWM POWER SUPPLY DRIVING
PSW Sink Current
IPSW
IN1=2.1V
10
13
17
mA
HVCC Level Shift Voltage
VSHIF
IN1=1.8V, HVCC-OUT1F
0.35
0.45
0.55
V
HVCC Leak Current
IHLK
HVcc=9.0V, VSYS1=VSYS2=BATT=0V
0
5
μA
PWM Amp Transfer Gain
GPWM
IN1=1.8V, HVCC=1.2 ~ 1.4V
1/60
1/50
1/40
1/kΩ
DC-DC CONVERTER
Error Amp
VSYS1 Threshold Voltage
VS1TH
3.05
3.20
3.35
V
EO Pin Output Voltage "H"
VEOH
EI=0.7V, Io=-100µA
1.4
1.6
V
EO Pin Output Voltage "L"
VEOL
EI=1.3V, Io=100µA
0.3
V
SHORT CIRCUIT PROTECTION
SPRT Pin Voltage
VSPR
EI=1.3V
0
0.1
V
EO=H SPRT Pin Current1
ISPR1
EI=0.7V
6
10
16
μA
OFF=L SPRT Pin Current2
ISPR2
EI=1.3V, OFF=0V
12
20
32
μA
SPRT Pin Current3 Over-Voltage
ISPR3
EI=1.3V, BATT=9.5V
12
20
32
μA
SPRT Pin Impedance
RSPR
175
220
265
kΩ
SPRT Pin Threshold Voltage
VSPTH
EI=0.7V, CT=0V
1.10
1.20
1.30
V
Over-Voltage Protection Detect
VHVPR
BSEN Pin Voltage
7.5
9.0
V
TRANSISTOR DRIVING
SW Pin Output Voltage1 "H"
VSW1H
BATT=CT=1.5V, VSYS1=VSYS2=0V,
IO=-2mA Starting Time
0.78
0.98
1.13
V
SW Pin Output Voltage2 "H"
VSW2H
CT=0V, Io=-10mA,EI=0.7V, SPRT=0V 1.00
1.50
V
SW Pin Output Voltage2 "L"
VSW2L
CT=2.0V, Io=10mA
0.30
0.45
V
SW Pin Oscillating Frequency1
fSW1
CT=470pF, VSYS1=VSYS2=0V
Starting Time
65
80
95
kHz
SW Pin Oscillating Frequency2
fSW2
CT=470pF, CLK=0V
60
70
82
kHz
SW Pin Oscillating Frequency3
fSW3
CT=470pF
88.2
kHz
SW Pin Minimum Pulse Width
TSWMIN
CT=470pF, EO=0.5V→0.7V Sweep
0.01
0.60
μs
Pulse Duty Start
DSW1
CT=470pF,VSYS1=VSYS2=0V
40
50
60
%
Max. Pulse Duty At Self-Running
DSW2
CT=470pF, EI=0.7V, CLK=0V
70
80
90
%
Max. Pulse Duty At CLK
Synchronization
DSW3
CT=470pF, EI=0.7V
65
75
85
%


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