|
K21P121M50SF4 Datasheet, PDF (44/59 Pages) Freescale Semiconductor, Inc – K21 Sub-Family Data Sheet | |||
|
◁ |
Peripheral operating requirements and behaviors
6.8.2 USB DCD electrical specifications
Table 29. USB DCD electrical specifications
Symbol
VDP_SRC
VLGC
IDP_SRC
IDM_SINK
RDM_DWN
VDAT_REF
Description
USB_DP source voltage (up to 250 μA)
Threshold voltage for logic high
USB_DP source current
USB_DM sink current
D- pulldown resistance for data pin contact detect
Data detect voltage
Min.
Typ.
Max.
Unit
0.5
â
0.7
V
0.8
â
2.0
V
7
10
13
μA
50
100
150
μA
14.25
â
24.8
kΩ
0.25
0.33
0.4
V
6.8.3 VREG electrical specifications
Table 30. VREG electrical specifications
Symbol
VREGIN
IDDon
IDDstby
IDDoff
Description
Input supply voltage
Quiescent current â Run mode, load current
equal zero, input supply (VREGIN) > 3.6 V
Quiescent current â Standby mode, load current
equal zero
Quiescent current â Shutdown mode
⢠VREGIN = 5.0 V and temperature=25C
⢠Across operating voltage and temperature
Min.
2.7
â
â
â
â
Typ.1
â
120
1.1
650
â
Max.
5.5
186
10
â
4
ILOADrun
ILOADstby
VReg33out
Maximum load current â Run mode
Maximum load current â Standby mode
Regulator output voltage â Input supply
(VREGIN) > 3.6 V
⢠Run mode
⢠Standby mode
VReg33out
COUT
ESR
ILIM
Regulator output voltage â Input supply
(VREGIN) < 3.6 V, pass-through mode
External output capacitor
External output capacitor equivalent series
resistance
Short circuit current
â
â
120
â
â
1
3
3.3
3.6
2.1
2.8
3.6
2.1
â
3.6
1.76
2.2
8.16
1
â
100
â
290
â
Unit
Notes
V
μA
μA
nA
μA
mA
mA
V
V
V
2
μF
mΩ
mA
1. Typical values assume VREGIN = 5.0 V, Temp = 25 °C unless otherwise stated.
2. Operating in pass-through mode: regulator output voltage equal to the input voltage minus a drop proportional to ILoad.
K21 Sub-Family Data Sheet Data Sheet, Rev. 3, 08/2012.
44
Freescale Semiconductor, Inc.
|
▷ |