HA13571FR Datasheet, PDF (20/22 Pages) Hitachi Semiconductor – Combo (Spindle & VCM) Driver for HDD

HA13571FR
Electrical Characteristics (cont)
Item
Symbol Min Typ Max Unit Test Conditions
Applica-
ble pins
Power +12V Threshold
Monitor voltage
Vt12
—
9.0 ±0.3 V Vcc5 = 5V
VCC12
+5V Threshold
voltage
Vt5
—
4.5 ±0.1 V Vcc12 = 12V
VCC5
Hysteresis on Vcc12 Hv12 —
200 ±60 mV
VCC12
Hysteresis on Vcc5 Hv5
—
50 ±15 mV
VCC5
POR12VADJ voltage V12adj —
1.86 ±2% V 19.2kΩ/3.52kΩ
POR12V
ADJ
POR5VADJ voltage V5adj —
1.54 ±2% V 9.6kΩ/4.27kΩ
POR5V
ADJ
POR Output low level
detector voltage
Vol
—
— 0.5 V Iol = 2mA, Vcc5 = 4.35V PORN
Vcc12 = 8.7V
Output high level
voltage
Voh
Vcc5 — —
V Vcc5 = 4.7V, Vcc12 = 9.5V
–0.15
PORN pull-up
resistance
Rpu
—
15 ±20% kΩ
Charge current for Icpor 5
CPOR
8
12
µA
CPOR
CPOR threshold
voltage
Vcpor —
1.4 —
V
POR delay
Tdpor —
40 —
ms Cpor = 0.22µF
PORN
Power supply Max. Trpulse 5.0
——
µs
pulse duration
Thermal Warning temperature
shut-
down
Twar
130 145 160 °C
Shut-down
temperature
Tsoff 145 160 175 °C
Difference
temperature
∆T
10
15 20 °C Tsoff – Twar
Thermal hysteresis Thys —
30 ±10 °C
OSC Frequency range
fosc
200 250 300 kHz
OSCTC
TEMP Output low voltage Vol2
—
— 1.0 V Iol = 0.1mA
TEMP
Pull-up resistnace
Rpu2 —
50 ±20% kΩ
Leakage current
Ilk2
—
— ±10 µA Vcc5 = 6V, Vo = 6V
Note: 1. Guaranteed by design.
2. Function test only.
Note
2
2
2
1
20