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參數資料
| 型號： | TPS40007DGQRG4 |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | SWITCHING CONTROLLER, 350 kHz SWITCHING FREQ-MAX, PDSO10 |
| 封裝： | 3.05 X 4.98 MM, GREEN, PLASTIC, MSOP-10 |
| 文件頁數： | 23/28頁 |
| 文件大?。?/td> | 677K |
| 代理商： | TPS40007DGQRG4 |
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TPS40007
TPS40009
SLUS589B NOVEMBER 2003 REVISED FEBRUARY 2005
4
www.ti.com
ELECTRICAL CHARACTERISTICS
temperature range, TA = 40_C to 85_C, VDD = 5.0 V, TA = TJ; all parameters measured at zero power dissipation
(unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
OUTPUT DRIVER
RHDHI
HDRV pull-up resistance
VBOOTVSW = 3.3 V,
ISOURCE = 100 mA
3
5.5
RHDLO HDRV pull-down resistance
VBOOT VSW = 3.3 V,
ISINK = 100 mA
1.5
3
RLDHI
LDRV pull-up resistance
VDD = 3.3 V,
ISOURCE = 100 mA
3
5.5
RLDLO
LDRV pull-down resistance
VDD = 3.3 V,
ISINK = 100 mA
1.0
2.0
tRLD
LDRV rise time
15
35
tFLD
LDRV fall time
CLOAD = 1 nF
10
25
ns
tRHD
HDRV rise time
CLOAD = 1 nF
15
35
ns
tFHD
HDRV fall time
10
25
PREDICTIVE DELAY
VSWP
Sense threshold to modulate delay time
350
mV
TLDHD
Maximum delay modulation range time
LDRV OFF to HDRV ON
45
70
95
Predictive counter delay time per bit
LDRV OFF to HDRV ON
2.8
4.3
6.2
ns
THDLD
Maximum delay modulation range
HDRV OFF to LDRV ON
50
80
110
ns
Predictive counter delay time per bit
HDRV OFF to LDRV ON
3.0
4.8
6.6
SHUTDOWN
VSD
Shutdown threshold voltage
Outputs OFF
0.21
0.26
0.31
V
VEN
Device active threshold voltage
0.25
0.29
0.35
V
SOFTSTART
ISS
Soft-start source current
Outputs OFF
2.0
3.7
5.4
A
VSS
Soft-start voltage to begin VOUT start
0.35
0.65
0.95
V
BOOTSTRAP
RBOOT Bootstrap switch resistance
VDD = 3.3 V
50
100
RBOOT Bootstrap switch resistance
VDD = 5 V
35
70
VOUT PRE-BIAS
Recommended VOUT pre-bias level as
% of final regulation(1)(4)
FB percent of 700 mV
90%
SW NODE
ISW
Leakage current in shutdown
2
A
THERMAL SHUTDOWN
tSD
Shutdown temperature(1)
165
°C
Restart from thermal shutdown(1)
15
°C
(1)
Ensured by design. Not production tested.
(2)
Derate the maximum duty cycle by 3% for VDD < 3 V.
(3)
Operating at PWM on-times of less than 100 ns could lead to overlap between HDRV and LDRV pulses.
(4)
Prebiased output greater than 90% of final regulation may lead to sinking current from the prebias output.
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相關代理商/技術參數 |
參數描述 |
|---|---|
| TPS40007EVM-001 | 功能描述:電源管理IC開發(fā)工具 TPS40007-001 Eval Mod RoHS:否 制造商:Maxim Integrated 產品:Evaluation Kits 類型:Battery Management 工具用于評估:MAX17710GB 輸入電壓: 輸出電壓:1.8 V |
| TPS40009 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:LOW-INPUT HIGH-EFFICIEDCY SYNCHRONOUS BUCK CONTROLLER |
| TPS40009DGQ | 功能描述:DC/DC 開關控制器 Low Input Sync Buck src/sink w/prebias RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數量:1 最大工作溫度:+ 125 C 安裝風格: 封裝 / 箱體:CPAK |
| TPS40009DGQG4 | 功能描述:DC/DC 開關控制器 Low Input Sync Buck src/sink w/prebias RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數量:1 最大工作溫度:+ 125 C 安裝風格: 封裝 / 箱體:CPAK |
| TPS40009DGQR | 功能描述:DC/DC 開關控制器 Low Input Sync Buck src/sink w/prebias RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數量:1 最大工作溫度:+ 125 C 安裝風格: 封裝 / 箱體:CPAK |
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