參數(shù)資料
型號(hào)： TPS650732TRSLRQ1
廠商： TEXAS INSTRUMENTS INC
元件分類： 電源管理
英文描述： POWER SUPPLY SUPPORT CKT, PQCC48
封裝： 6 X 6 MM, 0.4 MM PITCH, GREEN, PLASTIC, QFN-48
文件頁數(shù)： 34/90頁
文件大?。?/td> 1375K
代理商： TPS650732TRSLRQ1
SLVSAP7 – JANUARY 2011
www.ti.com
ELECTRICAL CHARACTERISTICS
VSYS = 3.6V, EN_DCDCx = VSYS, L = 2.2mH, COUT = 10mF, TA = –40°C to 105°C typical values are at TA = 25°C (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
SUPPLY CURRENT
VINDCDC Input voltage range for DCDC converters
2.8
6.3
V
Only DCDC2, DCDC3 and LDO1 enabled, device in
140
ON-mode; DCDC converters in PFM
Per DC/DC converter, PFM mode
19
30
mA
Operating quiescent current
Per DC/DC converter, PWM mode
2.5
IQ
Total current into VSYS, VINDCDCx, VINLDO1/2
For LDO1 or LDO2 (either one enabled)
20
35
For LDO1 and LDO2 (both enabled)
34
For wLED converter
1.5
mA
All converters, LDOs, wLED driver and ADC disabled, no
ISD
Shutdown current
input voltage at AC and USB;
8
12
mA
SYS voltage turned off
–2%
2.8
2%
Voltage at the output of the power manager detected at pin
3.0
VUVLO
Undervoltage lockout threshold
SYS; falling voltage, voltage defined with <UVLO0>,
V
3.1
<UVLO1> DEFAULT: 3.0V
3.25
360
Rising voltage defined with <UVLO hysteresis>; DEFAULT:
Undervoltage lockout hysteresis
mV
500mV
450
Undervoltage lockout deglitch time
Due to internal delay
4
ms
Thermal shutdown for DCDC converters, wLED
TSD
Increasing junction temperature
150
°C
driver and LDOs
Thermal shutdown hysteresis
Decreasing junction temperature
20
°C
EN_DCDC1, EN_DCDC2, EN_DCDC3, DEFDCDC2, DEFDCDC3, SDAT, SCLK, EN_wLED (optional)
High Level Input Voltage, EN_DCDC1,
VIH
EN_DCDC2, EN_DCDC3, DEFDCDC2,
1.2
VSYS
V
DEFDCDC3, SDAT, SCLK, EN_wLED
Low Level Input Voltage, EN_DCDC1,
VIL
EN_DCDC2, EN_DCDC3, DEFDCDC2,
0
0.4
V
DEFDCDC3, SDAT, SCLK, EN_wLED
Input bias current, EN_DCDC1, EN_DCDC2,
IIN
EN_DCDC3, DEFDCDC2, DEFDCDC3, SDAT,
0.01
1.0
mA
SCLK
4
Copyright 2011, Texas Instruments Incorporated
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