Datasheet

ELECTRICAL CHARACTERISTICS
TPS650240 , , TPS650241
TPS650242 , TPS650243
TPS650244 , TPS650245
SLVS774B – JUNE 2007 – REVISED JULY 2009 .............................................................................................................................................................. 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)
COMTROL SIGNALS: EN_DCDC1, EN_DCDC2, EN_DCDC3, EN_LDO, MODE, EN_VDD_ALIVE
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
V
IH
High level input 1.45 VCC V
voltage
V
IL
Low level input 0 0.4 V
voltage
I
H
Input bias current 0.01 0.1 µ A
SUPPLY PINS: VCC, VINDCDC1, VINDCDC2, VINDCDC3
I
(qPFM)
Operating quiescent PFM All 3 DCDC converters enabled, zero load Vcc = 3.6V 135 170 uA
current and no switching, LDOs enabled
PFM All 3 DCDC converters enabled, zero load 75 100
and no switching, LDO1, LDO2 = OFF, Vdd_alive
= ON
PFM DCDC1 and DCDC2 converters enabled, 55 80
zero load and no switching, LDO1, LDO2 = OFF,
Vdd_alive = ON
PFM DCDC1 converter enabled, zero load and no 40 60
switching, LDO1, LDO2 = OFF, Vdd_alive = ON
I
VCC(PWM)
Current into Vcc; All 3 DCDC converters enabled & running in PWM, Vcc = 3.6V 2 mA
PWM LDOs off
PWM DCDC1 and DCDC2 converters enabled and 1.5 2.5
running in PWM, LDOs off
PWM DCDC1 converter enabled and running in 0.85 2.0
PWM, LDOs off
I
q
Quiescent current All converters disabled, LDO1, LDO2 = OFF, Vcc = 3.6V 16 µ A
Vdd_alive = OFF
All converters disabled, LDO1, LDO2 = OFF, 26
Vdd_alive = ON
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Product Folder Link(s): TPS650240 TPS650241 TPS650242 TPS650243 TPS650244 TPS650245