AT73C237 Atmel, AT73C237 Datasheet - Page 9

• Manufacturer Part Number: AT73C237
• Description: IC POWER MANAGEMENT UNIT 16QFN
• Manufacturer: Atmel

Specifications of AT73C237

• Applications: Wireless
• Current - Supply: 250µA
• Voltage - Supply: 2.8 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 16-QFN
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

7. Timing Diagram
6362A–PMAAC–01-Jul-08
Figure 7-1.
Table 7-1.
Parameter
t
t
t
t
t
t
t
ini
bg
ensm
start1
start2
resgen
delay
AT73C237 Timings
Timing Parameters
LDO1,2,3
Signal
HPBG
Supply monitor
V
V
XRESO
XRESIN
RCOSC
XRESO
O1,
O1,
Monitor
Supply
HPBG
LDO4
VBAT
POR
2.7V
1.5V
V
V
VIN
O2,
O2,
V
V
O3
O3
t
t
ini
ini
t
enabled
Constraint
Guard time
HPBG startup time
Supply monitor enable
LDO1,2,3 Startup time
bg
t
ensm
t
start1
t
resgen
t
start2
t
delay
Min
100
10
3
Max
100
100
500
4
5
1
AT73C237
2
Units
msec
msec
msec
msec
µsec
µsec
µsec
9