Data Sheet - Freescale Semiconductor

2.3 Electrical characteristics - supply and I/O
V BUS_I_L ≤ (V BUS_I - V SS) ≤ V BUS_I_H, T L ≤ T A ≤ T H, ΔT ≤ 12 °C/min, unless otherwise specified.
# Characteristic Symbol Min Typ Max Units
35
36
37
Quiescent supply current
V BUS_I = 4 V, V BUS_I = 20 V * I q 4.0 — 8.0 mA (1)
Response current
Low
High
MMA27XXW
*
*
IRESP 2*IRESP I q+ 10.50
I q+ 21.0
I q+ 12.0
I q+ 24.0
I q+ 13.5
I q+ 27.0
38 V BUF current limit I INRUSH_MAX — — 30 mA (6)
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
Internally regulated voltages
V BUF, V BUS_I = 4 V, V BUS_I = 20 V
V REG , V BUS_I = 4 V
V REGA, V BUS_I = 4 V, V BUS_I = 20 V *
Low-voltage detection threshold
BUS_I falling
V BUF falling
V REG falling
V REGA falling
Low-voltage detection hysteresis
External capacitor (V BUF, V REG, V REGA)
Capacitance
ESR (including interconnect resistance)
V LOW detection threshold (Section 3.6.1)
V LOW detection threshold
V LOW detection hysteresis
Discovery Mode current sense (Section 3.6.3)
Sense resistor
I RESP detection threshold (I BUS_O_q ≤ 24 mA)
*
*
V BUF
V REG
V REGA
V BUS_I_UV_F
V BUF_UV_F
V REG_UV_F
V REGA_UV_F
V HYST
C VBUF , C VREG , C VREGA
ESR
V DELTA_THRESH
V DELTA_THRESH_Hyst
RSENSE IRESP_Det, VIRESP_Offset Sensors
8 Freescale Semiconductor, Inc.
3.250
2.400
2.425
3.60
2.80
2.15
2.15
0.04
500
0
V HIGH -1.25
40
3.400
2.500
2.500
3.75
3.05
2.25
2.25
—
1000
—
V HIGH -1.0
60
3.550
2.600
2.575
3.90
3.20
2.35
2.35
—
1500
200
V HIGH -0.75
80
Bus switch output low voltage (Section 3.6.4)
I Load = 100 μA V BUS_SW_OL 0.0 — 0.45 V (3,6)
Bus switch open drain output leakage current (BUSSW)
V BUSSW = 20 V I BUS_SW_ODL — — 10 μA (3,6)
Output high voltage (PCM)
I Load = -100 μA V OH V REG - 0.1 — — V (3)
Output low voltage (PCM)
I Load = 100 μA V OL — — 0.1 V (3)
1.3
6
2.15
12
3
18
mA
mA
V
V
V
V
V
V
V
V
nF
mΩ
V
mV
Ω
mA
(1)
(1)
(1)
(1)
(1)
(3,6)
(3,6)
(3,6)
(3,6)
(6)
(9)
(9)
(3,6)
(6)
(6)
(3,6)