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參數(shù)資料
型號(hào): TPS40090QPWRQ1
廠商: TEXAS INSTRUMENTS INC
元件分類: 穩(wěn)壓器
英文描述: SWITCHING CONTROLLER, 1200 kHz SWITCHING FREQ-MAX, PDSO24
封裝: GREEN, PLASTIC, TSSOP-24
文件頁(yè)數(shù): 18/23頁(yè)
文件大小: 309K
代理商: TPS40090QPWRQ1
SLUS845C
– JUNE 2008 – REVISED MAY 2011
ELECTRICAL CHARACTERISTICS (continued)
TJ = –40°C to 125°C, VIN = 12 V, R(RT) = 64.9 k, TJ = TA (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
ENABLE
Enable threshold voltage
0.8
2
2.5
V
Enable voltage capability(2)
VIN(max)
PWM OUTPUT
PWM pullup resistance
IOH = 5 mA
27
45
PWM pulldown resistance
IOL = 10 mA
27
45
5-V REGULATOR
VOUT
Output voltage
External ILOAD = 2 mA on BP5
4.8
5
5.2
V
Pass device voltage drop
VIN = 4.5 V, No external load on BP5
200
mV
Short circuit current
8
30
mA
CURRENT SENSE AMPLIFIER
Gain transfer
–100 mV ≤ V(CS) ≤ 100 mV, VCSRTN = 1.5 V
4.7
5.4
5.9
V/V
Gain variance between phases
VCS = 100 mV
–5
5
%
Input offset variance at zero current
VCS = 0 V
–7
0
8
mV
Input common mode(2)
0
4
V
Bandwidth(2)
18
MHz
Maximum VCS in regulation
200
mV
DIFFERENTIAL AMPLIFIER
Gain
1
V/V
Gain tolerance
VOUT 4 V vs 0.7 V, VGNDS = 0 V
–0.5
0.5
%
CMRR
Common mode rejection ratio(2)
0.7 V
≤ VOUT ≤ 4 V
60
dB
Bandwidth(2)
5
MHz
RAMP
Ramp amplitude(2)
0.4
0.5
0.6
V
POWER GOOD
PGOOD high threshold
Reference to VREF
10
14
%
PGOOD low threshold
Reference to VREF
–14
–10
%
VOL
Low-level output voltage
IPGOOD = 4 mA
0.35
0.60
V
Ilkg
PGOOD output leakage
VPGOOD = 5 V
50
80
μA
OUTPUT OVERVOLTAGE/UNDERVOLTAGE FAULT
VOV
Overvoltage threshold voltage
VFBK relative to VREF
15
19
%
VUV
Undervoltage threshold voltage
VFBK relative to VREF
–18
–14
%
LOAD LINE PROGRAMMING
IDROOP
Pulldown current on DROOP
4-phase, VCS = 100 mV
40
μA
(2)
Specified by design
4
Copyright
2008–2011, Texas Instruments Incorporated
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TPS40090RHDRG4 功能描述:DC/DC 開(kāi)關(guān)控制器 4Ch Multiphase Buck DC/DC Cntrlr RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開(kāi)關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK
TPS40090RHDT 功能描述:DC/DC 開(kāi)關(guān)控制器 4Ch Multiphase Buck DC/DC Cntrlr RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開(kāi)關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK
TPS40090RHDTG4 功能描述:DC/DC 開(kāi)關(guān)控制器 4Ch Multiphase Buck DC/DC Cntrlr RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開(kāi)關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK
TPS40091 制造商:TI 制造商全稱:Texas Instruments 功能描述:HIGH FREQUENCY MULTIPHASE CONTROLLER
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