User guide

9
4953C–AUTO–09/07
ATA6837 [Preliminary]
7. Electrical Characteristics
7.5V < V
S
< 40V; 3V < V
CC
< 5.5V; INH = High; –40°C < T
j
< 200°C, T
a
≤ 150°C; unless otherwise specified, all values refer to GND pins.
No. Parameters Test Conditions
Pin
Symbol Min. Typ. Max. Unit Type*
1 Current Consumption
1.1 Quiescent current (VS)
V
VS
< 28V,
INH or bit SI = low
I
VS
80 µA A
1.2
Quiescent current
(VCC)
3V < V
VCC
< 5.5V,
INH or bit SI = low
I
VCC
40 µA A
1.3 Supply current (VS)
V
VS
< 28V normal
operation, all output
stages off
I
VS
0.8 1.2 mA A
1.4 Supply current (VS)
V
VS
< 28V normal
operation, all output low
stages on, no load
I
VS
10 mA A
1.5 Supply current (VS)
V
VS
< 28V normal
operation, all output
high stages on, no load
I
VS
16 mA A
1.6 Supply current (VCC)
3V < V
VCC
< 5.5V,
normal operation
I
VCC
200 µA A
2 Internal Oscillator Frequency
2.1
Frequency (time base
for delay timers)
f
OSC
19 45 kHz A
3 Undervoltage Detection, Power-on Reset
3.1
Power-on reset
threshold
V
VCC
2.3 2.7 3.0 V A
3.2
Power-on reset delay
time
After switching on V
VCC
t
dPor
20 95 180 µs A
3.3
Undervoltage detection
threshold
V
UV
5.5 7.0 V A
3.4
Undervoltage detection
hysteresis
∆V
UV
0.4 V A
3.5
Undervoltage detection
delay
t
dUV
721msA
4 Thermal Prewarning and Shutdown
4.1 Thermal prewarning T
jPWset
170 195 220 °C A
4.2 Thermal prewarning T
jPWreset
155 180 205 °C A
4.3
Thermal prewarning
hysteresis
T
jPW
15 K A
4.4 Thermal shutdown T
j switch off
200 225 250 °C A
4.5 Thermal shutdown T
j switch on
185 210 235 °C A
4.6
Thermal shutdown
hysteresis
T
j switch off
15 K A
4.7
Ratio thermal
shutdown/thermal
prewarning
T
j switch off/
TjPW set
1.05 1.2 A
*) Type means: A = 100% tested, B = 100% correlation tested, C = Characterized on samples, D = Design parameter
Notes: 1. Delay time between rising edge of input signal at pin CS after data transmission and switch on/off output stages to 90% of
final level. Device not in standby for t > 1 ms.