Texas Instruments TPS650250EVM-447 Evaluation Module TPS650250EVM-447 TPS650250EVM-447 Datenbogen
Produktcode
TPS650250EVM-447
2
TPS650250EVM Electrical Performance Specifications
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TPS650250EVM Electrical Performance Specifications
Table 1. TPS650250EVM Electrical and Performance Specifications
Parameter
Notes & Conditions
Min
Nom
Max Units
INPUT CHARACTERISTICS
V
IN
Input Voltage
3.3
5.5
V
V
IN_UVLO
Input UVLO
V
IN
falling
2.35
V
OUTPUT CHARACTERISTICS
DEFDCDC1 =
3.3
high
V
OUT_DCDC1
Output Voltage DCDC1
V
IN
= Nom, I
OUT
= Nom
V
DEFDCDC1 =
2.7
low
Vin = 3.3V to 6 V,
DEFDCDC2 =
2.5
Iout = 0 mA to 800 mA
high
V
OUT_DCDC2
Output Voltage DCDC2
V
DEFDCDC2 =
1.8
low
VINDCDC2 = 3.3V to 6V,
PFM/PWM
–2%
2%
Accuracy DCDC1, DCDC2
Iout = 0 mA to 800 mA
PWM
-1%
1%
V
OUT_DCDC3
Output Voltage DCDC3
VIN = 3.3V to 6V, Iout = 0 mA to 800 mA
1.2
V
Vin = 3.3V to 6 V,
PFM/PWM
-4%
4%
Accuracy DCDC3
Iout = 0 mA to 800 mA,
PWM
–3%
3%
With 1% tolerance resistors
F
SW
Switching Frequency
2250
kHz
V
OUT_LDO1
Output Voltage LDO1
2.5
V
V
OUT_LDO2
Output Voltage LDO2
1.4
V
Accuracy LDO1, LDO2
Iout = 10 mA, with 1% tolerance resistors
–3%
5%
V
VDD_ALIVE
Output Voltage VDD_Alive
1.0
V
Accuracy VDD_Alive
Iout = 0 mA
–3%
3%
I
OUT_DCDC1
Output Current DCDC1
V
OUT
= Nom
1600
mA
I
OUT_DCDC2
Output Current DCDC2
V
OUT
= Nom
800
mA
I
OUT_DCDC3
Output Current DCDC3
V
OUT
= Nom
800
mA
Output Current LDO1, LDO2
V
IN
= 1.8 V, V
OUT
= 1.3 V
200
mA
Output Current LDO1, LDO2
V
IN
= 1.5 V, V
OUT
= 1.3 V
120
mA
Output Current VDD_ALIVE
30
mA
SLVU290 – July 2009
Using the TPS650250EVM Power Management IC for Li-Ion Powered Systems
3