HA13558AFH Hitachi, HA13558AFH Datasheet - Page 15

• Manufacturer Part Number: HA13558AFH
• Description: CD-ROM Combo Driver
• Manufacturer: Hitachi

Electrical Characteristics (Ta = 25 C, Vps = 12V, Vspn = 12V, Vfcs = 5V, Vsld =
12V) (cont)
Item
CLK OSC
Start-up
circuit
OTSD
Note:
1. Ifcs shows a spec with the following conditions.
2. See figure 1.
3. Figure 2 show how switching occurs in SW mode and in SOFT SW mode.
Vcompavth = 0V, Vctl = Vsldin = Vfcsin = Vtrrin = REF = 2.5V, Vtryin = 0V, Rref = 3.3k , pin
DDBST open.
Reference voltage
Oscillation
frequency
Oscillation
frequency
B-EMF Comp input
sensitivity
Operating
temperature
Hysteresis
Where Gctl =
@ V
U
SOFT SW
, V
Symbol
Vr1
f
fcom
Viemf
Tsd
Thys
CLK
Vrnf
Vctl
500mA Min
V
, V
SW
W
= 1V
0
Min
1.3
212
140
80
40
135
=1A
0
Typ
1.4
250
165
100
52
160
50
Figure 2
V
CTL
Reverse Brake (Full)
0.5
Max
1.5
288
190
130
70
—
—
Figure 1
(V)
Vctl (V)
Vdzspn
REF
Short Brake
Unit
V
kHz
Hz
mV
mV
C
C
0.6
Test Conditions
Rref=3.3k
Rref=3.3k ,
Cclk=100pF
Rref=3.3k ,
Ccom=0.1 F
BESENS=0V
BESENS OPEN
Vspncl
HA13558AFH
Applicable
Pins
1
48
47
32, 33,
34, 36
Note
6
15