Texas Instruments TPS65820 Evaluation Module TPS65820EVM TPS65820EVM 数据表
产品代码
TPS65820EVM
ELECTRICAL CHARACTERISTICS – LINEAR REGULATORS
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SLVS663B – MAY 2006 – REVISED APRIL 2008
Over recommended operating conditions (typical values at T
J
= 25
°
C), application circuit as in
(unless otherwise
noted).
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
SELECTABLE OUTPUT VOLTAGE LDO’S : LDO1, LDO2
I
(LDO1,2)
= –1 mA
15
Quiescent current, either LDO1 or
I
Q(LDO12)
I
Q(LDO12)
= I(VIN_LDO02)
µ
A
LDO2 enabled, LDO0 disabled
I
(LDO1,2)
= –150 mA
160
I
O(LDO1,2)
Output current range
150
mA
Available output voltages:
V
O(LDO1,2)
V
Output voltage, selectable via I
2
C.
TYP = 1.25, 1.5, 1.8, 2.5,
2.85, 3, 3.2, 3.3
Dropout voltage, 150 mA load
300
mV
V
O(LDO1,2)
LDO1, LDO2 output voltage
Total accuracy, V(VIN_LDO02) = 3.65 V
–3%
3%
Line regulation, 100 mA load,
–1%
1%
V(VIN_LDO02): V
(LDO1,2)TYP
+ 0.5 V
→ 4.7 V
Load regulation, load: 10 mA
→ 150 mA
–1.5%
1.5%
V(VIN_LDO02) > V
O(LDO1,2) TYP
+ 0.5V
P
SR(LDO12)
PSRR at 20 kHz
150-mA load at output, V(VIN_LDO02) – V
O(LDO1,2)
= 1 V
40
dB
LDO1 and -2 short-circuit current
I
SC(LDO1,2)
Output grounded
300
mA
limit
R
DCH(LDO1,2)
Discharge resistor
300
Ω
LDO disabled by I
2
C command
I
LKG(LDO1,2)
Leakage current
LDO off
2
µ
A
SIM LINEAR REGULATOR
I
Q(SIM)
Quiescent current
Internally connected to OUT pin
20
µ
A
I
O(SIM)
Output current range
8
mA
Available output voltages:
V
Output voltage, selectable via I
2
C.
V
O(SIM)TYP
= 1.8 or 3
Dropout voltage, 8-mA load
0.2
V
Total accuracy, V(OUT): 3.2 V to 4.7 V, 8 mA
–5%
5%
V
O(SIM)
SIM LDO output voltage
Load regulation, load: 1 mA
→ 8 mA,
–3%
3%
V(OUT) > V
O(SIM) TYP
+ 0.5 V
Line regulation, 5 mA load, V(OUT):
–2%
2%
V
O(SIM) TYP
+ 0.5 V
→ 4.7 V
I
SC(SIM)
Short-circuit current limit
Output grounded
20
mA
I
LKG(SIM)
Leakage current
LDO off
1
µ
A
PROGRAMMABLE OUTPUT VOLTAGE LDO’S: LDO3, LDO4, LDO5
Quiescent current, only one of
I
Q(LDO35)
I
Q(LDO35)
= I(VIN_LDO35)
70
µ
A
LDO3, LDO4, LDO5 is enabled
I
O(LDO35)
Output current range
100
mA
Available output voltages :
V
O(LDO35)TYP
= 1.224 V to
V
Output voltage, selectable via I
2
C
4.46 V, 25 mV steps
Dropout voltage, 100-mA load
240
mV
Total accuracy, 100 mA load V
(VIN_LDO35)
= 5 V
–3%
3%
V
O(LDO35)
LDO3, LDO4, LDO5 output voltage
Load regulation,
V(VIN_LDO35) > V
V(VIN_LDO35) > V
O(LDO35)TYP
+
load: 1 mA
→ 50 mA
–1%
1%
0.5 V
Line regulation, 10 mA load,
–1%
1%
V(VIN_LDO35): V
O(LDO35)TYP
+ 0.5 V
→ 4.7 V
I
SC(LDO35)
Short-circuit current limit
Output grounded
250
mA
PSR
(LDO35)
PSRR at 10 kHz
V(VIN_LDO35) > V
O(LDO3,5)
+ 1 V, 50 mA load at output
40
dB
R
DCH(LDO35)
Discharge resistor
400
Ω
LDO is disabled by I
2
C command
I
LKG(LDO35)
Leakage current
LDO off
1
µ
A
Copyright © 2006–2008, Texas Instruments Incorporated
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