AT73C237 Atmel, AT73C237 Datasheet - Page 10

• 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

8. Electrical Specification
8.1
Table 8-1.
Table 8-2.
10
Symbol
V
V
I
I
I
I
t
∆V
∆V
PSSR
∆V
V
Schematic Reference
C
C
1
QC
SC
SH
R
O1
DD1
NT
1
5
OUT
DC
DC
(Input Capacitor)
(Output Capacitor)
LDO1
AT73C237
LDO1 Parametric Table
LDO1 External Components
Parameter
Operating supply voltage
Output voltage
Load current
Quiescent current
Shutdown current
Short circuit current
Startup time
Line regulation static
Load regulation static
Power Supply Rejection Ratio
Startup Overshoot
Total Output Noise
Comments
Switching Regulated
Default
Programmed
With at least 300mV drop out
With at least 200mV drop out
HiZ output
From VDD=3.0V to 3.6V
From 10% to 100% I
From 0 to 100% I
Sine Wave, 100 kHz frequency,
3.3V mean +/- 100 m v
Sine Wave, 10 kHz frequency,
3.3V mean +/- 100 m v
Sine Wave, 1 kHz frequency,
3.3V mean +/- 100 m v
10 Hz - 100 kHz
Description
2.2µF ± 15% Ceramic Capacitor, X5R, 0402, 6.3V
MURATA: GRM155R60J225ME15
TDK: C1005X5R0J225MT
1µF ± 15% Ceramic Capacitor, X5R, 0402, 6.3V
MURATA: GRM155R60J105KE19
TDK: C1005X5R0J105KT
1
1
PP
PP
PP
2.70
1.75
Min
2.8
65
60
45
1
2.75
1.80
Typ
250
350
3.3
10
35
6362A–PMAAC–01-Jul-08
Max
1.85
100
300
100
100
100
5.5
2.8
70
30
40
1
5
µV
Units
µsec
mA
mA
mV
mV
mV
µA
µA
dB
dB
dB
V
V
RMS