Datasheet

ELECTRICAL CHARACTERISTICS
TPS650250
SLVS843 – DECEMBER 2008 ........................................................................................................................................................................................... www.ti.com
VINDCDC1 = VINDCDC2 = VINDCDC3 = VCC = VINLDO = 3.6V, T
A
= – 40 ° C to 85 ° C, typical values are at T
A
= 25 ° C
(unless otherwise noted)
CONTROL SIGNALS: EN_DCDC1, EN_DCDC2, EN_DCDC3, EN_LDO, MODE, EN_VDD_ALIVE
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
High level input
V
IH
1.45 VCC V
voltage
Low level input
V
IL
0 0.4 V
voltage
I
H
Input bias current 0.01 0.1 µ A
SUPPLY PINS: VCC, VINDCDC1, VINDCDC2, VINDCDC3
PFM All 3 DCDC converters enabled, zero load
135 170
and no switching, LDOs enabled
PFM All 3 DCDC converters enabled, zero load
and no switching, LDO1, LDO2 = OFF, Vdd_alive 75 100
= ON
Operating quiescent
I
(qPFM)
V
CC
= 3.6V µ A
current
PFM DCDC1 and DCDC2 converters enabled,
zero load and no switching, LDO1, LDO2 = OFF, 55 80
Vdd_alive = ON
PFM DCDC1 converter enabled, zero load and no
40 60
switching, LDO1, LDO2 = OFF, Vdd_alive = ON
All 3 DCDC converters enabled & running in PWM, 2
LDOs off
Current into V
CC
; PWM DCDC1 and DCDC2 converters enabled and 1.5 2.5
I
VCC(PWM)
V
CC
= 3.6V mA
PWM running in PWM, LDOs off
PWM DCDC1 converter enabled and running in 0.85 2
PWM, LDOs off
All converters disabled, LDO1, LDO2 = OFF, 16
Vdd_alive = OFF
I
q
Quiescent current V
CC
= 3.6V µ A
All converters disabled, LDO1, LDO2 = OFF, 26
Vdd_alive = ON
4 Submit Documentation Feedback Copyright © 2008, Texas Instruments Incorporated
Product Folder Link(s): TPS650250