HA13631T Datasheet, PDF (15/20 Pages) Hitachi Semiconductor – CD-ROM Combo Driver

HA13631T
Electrical Characteristics
(Ta = 25°C, Vss = 5 V, Vspn = 12 V, Vfcs = 5 V, Vsld = 12 V) (cont)
Item
Applicable
Symbol Min Typ Max Unit Test Conditions Pins
Note
TRY
driver
Output on
resistance
Rontry — 3.0 3.75 Ω
Io = 0.5 A
TRYP/N
1
Leakage current
Iofftry
——
±100 µA
Vtry = 15 V
Slew rate
SRtry
— 125 —
V/µs Load open
5
CLK
RT voltage
Vrt
— 1.37 ±5% V
RT
OSC
CT1 charge current Ict1p
— 180 ±10% µA
Rt = 6.8 kΩ
CT1
CT1 discharge
current
Ict1n
— –180 ±10% µA
Rt = 6.8 kΩ
CT1 high voltage Vct1h
— 2.7 ±0.1 V
CT1 low voltage
Vct1l
— 1.47 ±0.1 V
CLK oscillation
fclk
frequency
— 460 ±10% kHz Ct1 = 100 pF
Bias
Drive frequency
fbst
— fclk/2 —
kHz
BP1
Output voltage
Vbst
16.0 16.5 —
V
Vspn = 12 V
VBST
9.0 9.5 —
V
Vspn = 5 V
PWM PWM frequency
fpwm
— fclk/4 —
kHz
CT2
carrier _{CT2 charge current Ict2p}
— 180 ±10% µA
Rt = 6.8 kΩ
CT2 discharge
current
Ict2n
— –180 ±10% µA
Rt = 6.8 kΩ
DC feedback
resistance
Rdc
— 20
±20% kΩ
PWMDC
Offset voltage
Vospwm — —
±30 mV
Zero
cross
detection
Common mode
input voltage range
Input voltage range
Vczd
Vinzd
0
—
50 —
4.0 V
—
mVpp
HU+/–,
HV+/–,
HW+/–
Hysteresis
Vhyszd 11 16
21
mVpp
FGOUT pulse
width
Tmint
— 64/ ±4/ µs
fclk fclk
FGOUT
SPN
Input current
Ictl
——
±3.0 µA
Vctl = 0.5 to 4.5 V VCTL
control _{Dead zone voltage Vdzctl}
±50 —
±200 mV
2
REFIN voltage
Vref
1.0 —
2.65 V
range
REFIN
4
Control gain
Dspn
119 139 159 %/V Ct2 = 680 pF,
U, V, W
2
Ct1 = 100 pF
15