Datasheet
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ELECTRICAL CHARACTERISTICS
TPS65050, TPS65051, TPS65052
TPS65054, TPS65056
SLVS710A – JANUARY 2007 – REVISED AUGUST 2007
RECOMMENDED OPERATING CONDITIONS (continued)
over operating free-air temperature range (unless otherwise noted)
MIN NOM MAX UNIT
Output voltage range for LDO1 and LDO2 1 3.6 V
V
O
Output voltage range for LDO3 and LDO4 1 3.6 V
Output current at L1 (DCDC1) for TPS65051, TPS65052 1000 mA
Output current at L1 (DCDC1) for TPS65050, TPS65054 600 mA
I
O
Output current at L1 (DCDC2) 600 mA
Output current at VLDO1, VLDO2 400 mA
Output current at VLDO3, VLDO4 200 mA
Inductor at L1, L2
(1)
1.5 2.2 μ H
Output capacitor at VDCDC1, VDCDC2
(1)
10 22 μ F
C
O
Output capacitor at VLDO1, VLDO2, VLDO3, VLDO4
(1)
2.2 μ F
Input capacitor at VCC
(1)
1 μ F
C
I
Input capacitor at VINLDO1/2
(1)
2.2 μ F
Input capacitor at VINLDO3/4
(1)
2.2 μ F
T
A
Operating ambient temperature range -40 85 ° C
T
J
Operating junction temperature range -40 125 ° C
Resistor from battery voltage to V
CC
used for filtering
(2)
1 10 Ω
(1) See the Application Information section of this data sheet for more details.
(2) Up to 2 mA can flow into V
CC
when both converters are running in PWM, this resistor causes the UVLO threshold to be shifted
accordingly.
V
CC
= VINDCDC1/2 = 3.6 V, EN = V
CC
, MODE = GND, L = 2.2 μ H, C
O
= 10 μ F. T
A
= -40 ° C to 85 ° C, typical values are at
T
A
= 25 ° C (unless otherwise noted).
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
SUPPLY CURRENT
V
I
Input voltage range at VINDCDC1/2 2.5 6 V
One converter, I
O
= 0 mA.
PFM mode enabled (Mode = GND) device not
20 30 μ A
switching, EN_DCDC1 = V
I
OR EN_DCDC2 = V
I
;
EN_LDO1= EN_LDO2 = EN_LDO3/4 = GND
Two converters, I
O
= 0 mA
Operating quiescent current PFM mode enabled (Mode = 0) device not switching,
32 40 μ A
I
Q
Total current into V
CC
, VINDCDC1/2, EN_DCDC1 = V
I
AND EN_DCDC2 = V
I
; EN_LDO1 =
VINLDO1, VINLDO2, VINLDO3/4 EN_LDO2 = EN_LDO3/4 = GND
One converter, I
O
= 0 mA.
PFM mode enabled (Mode = GND) device not
switching, EN_DCDC1 = V
I
OR EN_DCDC2 = V
I
; 180 250 μ A
EN_LDO1 = EN_LDO2 = EN_LDO3 = EN_LDO4 =
V
I
One converter, I
O
= 0 mA.
Switching with no load (Mode = V
I
), PWM operation
0.85 mA
EN_DCDC1 = V
I
OR EN_DCDC2 = V
I
; EN_LDO1 =
EN_LDO2 = EN_LDO3/4 = GND
I
Q
Operating quiescent current into V
CC
Two converters, I
O
= 0 mA
Switching with no load (Mode = V
I
), PWM operation
1.25 mA
EN_DCDC1 = V
I
AND EN_DCDC2 = V
I
; EN_LDO1 =
EN_LDO2 = EN_LDO3/4 = GND
EN_DCDC1 = EN_DCDC2 = GND EN_LDO1 =
I
(SD)
Shutdown current 9 12 μ A
EN_LDO2 = EN_LDO3 = EN_LDO4 = GND
Undervoltage lockout threshold for
V
(UVLO)
Voltage at V
CC
1.8 2 V
DCDC converters and LDOs
EN_DCDC1, EN_DCDC2, DEFDCDC2, DEFLDO1, DEFLDO2, DEFLDO3, DEFLDO4, EN_LDO1, EN_LDO2, EN_LDO3, EN_LDO4
MODE/DATA, EN_DCDC1, EN_DCDC2,
DEFDCDC2, DEFLDO1, DEFLDO2, DEFLDO3,
V
IH
High-level input voltage 1.2 V
CC
V
DEFLDO4, EN_LDO1, EN_LDO2, EN_LDO3,
EN_LDO4
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Product Folder Link(s): TPS65050, TPS65051, TPS65052 TPS65054, TPS65056