参数资料
型号: TPS650240RHBR
厂商: TEXAS INSTRUMENTS INC
元件分类: 电源管理
英文描述: 2-CHANNEL POWER SUPPLY SUPPORT CKT, PQCC32
封装: 5 X 5 MM, GREEN, PLASTIC, QFN-32
文件页数: 30/35页
文件大小: 955K
代理商: TPS650240RHBR
ELECTRICAL CHARACTERISTICS
SLVS774B – JUNE 2007 – REVISED JULY 2009 .............................................................................................................................................................. www.ti.com
VINDCDC1 = VINDCDC2 = VINDCDC3 = VCC = VINLDO = 3.6V, TA = –40°C to 85°C, typical values are at TA = 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
VIH
High level input
1.45
VCC
V
voltage
VIL
Low level input
0
0.4
V
voltage
IH
Input bias current
0.01
0.1
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
IVCC(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
Iq
Quiescent current
All converters disabled, LDO1, LDO2 = OFF,
Vcc = 3.6V
16
A
Vdd_alive = OFF
All converters disabled, LDO1, LDO2 = OFF,
26
Vdd_alive = ON
4
Copyright 2007–2009, Texas Instruments Incorporated
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