at85c51snd3 ATMEL Corporation, at85c51snd3 Datasheet - Page 244

• Manufacturer Part Number: at85c51snd3
• Description: At85c51snd3 Single-chip Digital Audio Decoder - Encoder With Usb 2.0 Interface
• Manufacturer: ATMEL Corporation

Parameters
Regulators
Schematic
Parameters
244
AT85C51SND3B
Table 265. DC-DC Filter Characteristics
T
Table 266. DC-DC Power Characteristics
V
Figure 136. Regulator Connection
Note:
Table 267. Regulator Filter Characteristics
T
Table 268. High Voltage Regulator Power Characteristics
UV
Symbol Parameter
Symbol Parameter
Symbol Parameter
Symbol Parameter
F
A
A
BAT
H
C
C
SWITCH
R
V
V
C
V
L
C
= -40 to +85° C
I
= -40 to +85°C
I
CC
DC
MAX
DCP
DC1
DC2
BAT
HV
DC
DC
HV
HV
LV
= 0.9 to 3.6 V; T
= 4.4 to 5.5 V; T
Depending on power supply scheme, C
DC-DC Inductance
Low ESR Decoupling Capacitor
Low ESR Decoupling Capacitor
DC-DC Input Voltage
DC-DC Output Voltage
DC-DC Output Current
Maximum Efficiency
Switching Frequency
DCPWR Input Pull-Up Resistor
Decoupling Capacitor
Decoupling Capacitor
High Voltage Regulator Output Voltage
High Voltage Regulator Output Current
HVDD
VSS
A
A
= -40 to +85°C
= -40 to +85°C
C
HV
LV
may replace C
Min
Min
3.1
0.9
1.6
0.5
92
RLVDD
1.75
Typ
Typ
1.5
3.3
30
VSS
DC1
Max
Max
3.5
3.6
1.9
40
50
3
capacitor (see Figure 135
Min
Min
Unit
MHz
Unit
mA
mA
KΩ
%
V
V
V
C
LV
(
Typ
*
Typ
100
10
20
)
10
20
I
I
V
V
I
DC
DC
DC
Test Conditions
Test Conditions
BAT
BAT
7632D–MP3–01/07
= 40 mA
= 40 mA
= 50 mA
= 1.0 V
= 1.5 V
Max
Max
Unit
Unit
µH
µF
nF
µF
µF
).