Texas Instruments TPS65820 Evaluation Module TPS65820EVM TPS65820EVM データシート
製品コード
TPS65820EVM
FUNCTIONALITY GUIDE — LINEAR REGULATORS
R
T
C
_
O
U
T
S
IM
L
D
O
1
L
D
O
2
L
D
O
3
V
IN
_
L
D
O
3
5
L
D
O
4
L
D
O
3
5
_
R
E
F
L
D
O
_
P
M
A
G
N
D
2
V
IN
_
L
D
O
1
2
L
D
O
5
A
G
N
D
1
L
D
O
0
H
I
P
S
R
R
L
D
O
S
A2
O
U
T
A1
TPS65820
ON /OFF , Output Voltage
Discharge Control
ON /OFF
ON /OFF
Output Voltage
I2
C
R
E
G
IS
T
E
R
S
3.3 V
10 mA
1.224-4.4 V
100 mA
1.224-4.4 V
100 mA
1.25-3.3 V
150 mA
3.1 V
8 mA
8 mA
3.3 V
150 mA
1.25-3.3 V
150 mA
1.224-4.4 V
100 mA
C142.2
F
m
C1
11
F
m
C120.1
F
m
C132.2
F
m
C71
F
m
C152.2
F
m
C51
F
m
C32.2
F
m
C4100mF
C84.7
F
m
C104.7
F
m
C94.7
F
m
C64.7
F
m
1.8 V/3 V
8 mA
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SLVS663B – MAY 2006 – REVISED APRIL 2008
SELECTABLE OUTPUT VOLTAGE LDO
Supply
ON/OFF
Output Discharge
OUTPUT VOLTAGE (V), set via I
2
C
IO Max
Acc %
Power Up
Control
Switch
(mA)
Default
# of Steps
Available Values (V)
LDO1
Yes, set via
Yes, enabled via I
2
C
8
1.25/1.5/1.8/2.5/2.85/3/3.2/3.3
150
3
ON, 2.85 V
I
2
C
LDO2
Yes, set via
Yes, enabled via I
2
C
8
1.25/1.5/1.8/2.5/2.85/3/3.2/3.3
150
3
ON, 3.3 V
I
2
C
SIM
Yes, set via
No
2
1.8 / 3
8
2
OFF, 1.8 V
I
2
C
RTC_OUT
Yes, set via
No
2
2.6/3.1
8
5
ON, 2.6V
I
2
C
PROGRAMMABLE OUTPUT VOLTAGE LDO
Supply
ON/OFF
Output Discharge
OUTPUT VOLTAGE (V), set via I
2
C
IO Max
Acc %
Power Up
Control
Switch
(mA)
Default
Range
# of Steps
Min Step
LDO3
yes, set via I
2
C Yes, enabled via I
2
C
1.224–4.46
128
25 mV
100
3
ON, 1.25 V
LDO4
yes, set via I
2
C Yes, enabled via I
2
C
1.224–4.46
128
25 mV
100
3
ON, 2.75 V
LDO5
yes, set via I
2
C Yes, enabled via I
2
C
1.224–4.46
128
25 mV
100
3
ON, 2.81 V
FIXED OUTPUT VOLTAGE LDO’S
Supply
ON/OFF Control
OUTPUT
IO Max (mA)
Acc %
Power Up Default
VOLTAGE (V)
LDC0
Yes, via I
2
C
3.3, fixed
150
3
OFF
LDO_PM
NO, enabled internally
3.3, fixed
20
5
ON if AC or USB power detected
Figure 39. Required External Components, Recommended Values, External Connections
Copyright © 2006–2008, Texas Instruments Incorporated
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