Atmel ATA6264 - Manual (Page 23)

23
4929B–AUTO–01/07
ATA6264 [Preliminary]
Figure 8-2. Application With High Current Switch (GKEY Function Not Used)
Necessary for operation:
V
K15
= 3V to 40V, V
K30
= 3.85V to 40V
Operating conditions of all other supply pins:
V
EVZ
, V
SAT
, V
PERI
and V
CORE
are within functional range limits, T
j
= –40°C to 150°C
Other pins:
As defined in
Section 4. ”Functional Range” on page 8 .
V
EVZ
EVZ
K30
K15
GEVZ
COMEVZO
FBEVZ
EVZ
GNDB
OCEVZ
GKEY-
Logic
V
BATT
Table 8-2. Electrical Characteristics – GKEY Function
No. Parameters Test Conditions Pin Symbol Min Typ. Max. Unit Type*
7.1
Voltage level at K15 to enable
the EVZ regulator V
K15
increasing,
V
K30
> 5V
K15 V
K15
3 4.15 V A
7.2
Hysteresis at K15 to disable the
EVZ regulator
K15 V
K15
40 175 mV A
7.3
Voltage level at K30 to enable
the EVZ regulator V
K30
increasing,
V
K15
> 4.15V
K30 V
K30
3.85 5 V A
7.4
Hysteresis at K30 to disable the
EVZ regulator
K30 V
K30
50 150 mV A
7.5 Pull-down resistor at K15 K15 R
K15
70 365 k
Ω
A
7.6 Pull-down resistor at K30 K30 R
K30
320 1700 k
Ω
A
7.7 Current at K15
0V
≤
V
K15
≤
40V,
AMUX measurement
EVZ active K15 I
K15
0 1.1 mA A
*) Type means: A = 100% tested, B = 100% correlation tested, C = Characterized on samples, D = Design parameter