YD5901 Datasheet, PDF (5/10 Pages) List of Unclassifed Manufacturers – 4-ch MOTOR DRIVER FOR PORTABLE CD PLAYERS

YOUDA INTEGRATED CIRCUIT
YD5901
EO Pin Output Voltage
“H”
V_EOH
EI=0.7V, Io=-100μA
1.4
1.6
V
EO Pin Output Voltage
“L”
V_EOL
EI=1.3V, Io=100μA
0.3
V
Short Circuit Protection
SPRT Pin Voltage
EO=H SPRT Pin
Current1
V_SPR
I_SPR1
EI=1.3V
EI=0.7V
0
0.1
V
6
10
16
μA
OFF=L SPRT Pin
Current2
I_SPR2
EI=1.3V, OFF=0V
12
20
32
μA
SPRT Pin Current3
Over-Voltage
SPRT Pin Impedance
SPRT Pin Threshold
Voltage
I_SPR3
R_SPR
V_SPTH
EI=1.3V, BATT=9.5V
EI=0.7V, C_T=0V
12
20
32
μA
175
220
265 kΩ
1.10
1.20
1.30
V
Over-Voltage Protection
Detect
V_HVPR
BSEN Pin Voltage
8.0
8.4
9.0
V
Transistor Driving
SW Pin Output
Voltage1 “H”
V_SW1H
BATT=C_T=1.5V,
S1=VSYS2=0V,
0.78
0.98
1.13
V
Io=-2mA Starting Time
SW Pin Output Voltage
CT=0V, Io=-10mA,
2 “H”
V_SW2H
EI=0.7V, SPRT=0V
1.00 1.50
V
SW Pin Output Voltage
2 “L”
V_SW2L
CT=20V, I_O=-10mA
0.30
0.45
V
SW Pin Oscillating
Frequency1
f_sw1
C_T=470pF,
VSYS1=YSYS2=0V
Starting time
65
80
95 kHz
SW Pin Oscillating
Frequency 2
f_sw2
CT=470pF, CLK=0V
60
70
82
kHz
SW Pin Oscillating
Frequency 3
f_sw3
CT=470pF
88.2
kHz
SW Pin Minimum Pulse
Width
T_SWMIN
C_T=470pF,
EO=0.5V→0.7V Sweep
0.01
0.60 ms
Pulse Duty Start
D_SW1
C_T=470pF,
VSYS1=VSYS2=0V
40
50
60
%
Max. Pulse Duty At
Self-Running
D_SW2
C_T=470pF, EI=0.7V,
CLK=0V
70
80
90
%
Max. Pulse Duty At
CLK Synchronization
D_SW3
C_T=470pF, EI=0.7V
65
75
85
%
WuXi YouDa Electronics Co., Ltd
5 of 10
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