Electrical Specifications; Current Requirements And Power Dissipation; Input Voltage Requirements; Ripple - Western Digital Purple PR1000M Technical Reference Manual

S
PECIFICATIONS
2.4

Electrical Specifications

2.4.1
All values are typical (25°C, 5.0V, and 12V input). 3.3V Serial ATA power not utilized in
this product.
Operating Mode
Spinup (max)
Read/Write
Seek
Operating Mode
Idle
Standby
Sleep
2.4.2
The input voltage requirements are +5.0V ± 5% and +12.0V ± 10%.
2.4.3
Maximum
Frequency
2.4.4
SATA Connectors
For information on SATA data connectors, refer to the Serial ATA 1.0 specification
available for download at www.serialata.org.
At the time of this printing, there are no published standards for SATA power/mating
connectors or power/data cable wire gauges.
Cabling Requirements for SATA
The SATA cable consists of four conductors in two differential pairs. The cable may
also include drain wires to be terminated to the ground pins in the SATA cable
receptacle connectors. See the SATA 1.0 specification for cable specifications. The
cable's maximum length is one meter.
6

Current Requirements and Power Dissipation

Mean Current
12 VDC
1.725A
250 mA
400 mA
POWER MANAGEMENT COMMANDS
Mean Current
12 VDC
230 mA
7 mA
7 mA

Input Voltage Requirements

Ripple

+12 VDC
200 mV (double amplitude)
0-30 MHz

Power Connectors and Cables

RELEASED 5/8/17 (WD CONFIDENTIAL)
Power, Average
5 VDC
– 23.6W
280 mA 4.4W
270 mA 6.2W
Power, Average
5 VDC
260 mA 4.1W
105 mA 0.6W
105 mA 0.6W
+5 VDC
100 mV (double amplitude)
0-30 MHz
PR1000M
2679-800020-A03