- 您現在的位置：買賣IC網 > PDF目錄98282 > TPS51315RGFT (TEXAS INSTRUMENTS INC) SWITCHING REGULATOR, 1000 kHz SWITCHING FREQ-MAX, PQCC40 PDF資料下載
參數資料
| 型號： | TPS51315RGFT |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 穩壓器 |
| 英文描述： | SWITCHING REGULATOR, 1000 kHz SWITCHING FREQ-MAX, PQCC40 |
| 封裝： | GREEN, PLASTIC, QFN-40 |
| 文件頁數： | 27/32頁 |
| 文件大小： | 1028K |
| 代理商： | TPS51315RGFT |
第1頁第2頁第3頁第4頁第5頁第6頁第7頁第8頁第9頁第10頁第11頁第12頁第13頁第14頁第15頁第16頁第17頁第18頁第19頁第20頁第21頁第22頁第23頁第24頁第25頁第26頁當前第27頁第28頁第29頁第30頁第31頁第32頁
SLUS881A
– MAY 2009 – REVISED MAY 2011
ELECTRICAL CHARACTERISTICS
over recommended free-air temperature range (unless otherwise noted)
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNIT
SUPPLY CURRENT
V5IN current, TA = 25°C, No Load,
IV5IN
V5IN supply current
0
1
μA
EN_PSV = 5V, VVFB = 0.75 V, VLL = 0.5 V
V5FILT current, TA = 25°C, No Load,
IV5FILT
V5FILT supply current
400
μA
VEN_PSV = 5 V, VVFB = 0.75 V, LL = 0.5 V
V5IN current, TA = 25°C, No Load,
IV5INSDN
V5IN shutdown current
0
1
μA
VEN_PSV = 0 V
V5FILT current, TA = 25°C, No Load,
IV5FILTSDN
V5FILT shutdown current
1.5
4.5
7.5
μA
VEN_PSV = 0 V
VOUT AND VREF VOLTAGES
VOUT
Output voltage
Adjustable output range
0.75
5.5
V
VVFB
VFB regulation voltage
VFB voltage
751
mV
TA = 25°C, bandgap initial accuracy
–0.9%
0.9%
VVFB_TOL
VFB regulation voltage tolerance
0
°C ≤ TA ≤ 85°C
–1.3%
1.3%
–40°C ≤ TA ≤ 85°C
–1.6%
1.6%
IVFB
VFB input current
VVFB = 0.75 V, TA = 25°C
–0.025
μA
RDischg
VOUT_DS discharge resistance
VEN_PSV = 0 V, VOUT_DS = 0.75 V
20
HOUSEKEEPING CLOCK, ON-TIME TIMER, and INTERNAL SOFT START
TONN
Nominal on-time
VIN = 10 V, VOUT = 2.5 V, RT(on) = 250 k
1115
ns
TONF
Fast switch on-time
VIN = 10 V, VOUT = 2.5 V, RT(on) = 100 k
865
ns
TONS
Slow switch on-time
VIN = 10 V, VOUT = 2.5 V, RT(on) = 400 k
1515
ns
TON
Minimum on-time
VIN = 10 V, VOUT = 0.75 V, RT(on) = 100 k
(1)
170
200
ns
TA = 25°C, VVFB = 0.75 V, VLL = –0.1V,
TOFF(min)
Minimum off-time
385
ns
VTRIP = OPEN
TSS
Internal soft-start time
TA = 25°C, VEN_PSV > 3 V
1.06
ms
f CLK
Clock frequency
Soft-start, UVP, OVP, PGOOD(2)
240
250
260
kHz
INTERNAL BST DIODE
VFBST
Forward voltage
VV5IN-VBST, IF = 10 mA, TA = 25°C
0.7
0.8
0.9
V
IVBSTLK
VBST leakagecurrent
VVBST = 26 V, LL = 20 V, TA = 25°C
0.1
1
μA
PROTECTIONS: OVERCURRENT LIMIT (OCL), UNDERCURRENT LIMIT (UCL)
(VTRIP-GND– VPGND-LL) voltage
VOCL(off)
Overcurrent limit comparator offset
–10
0
10
mV
VTRIP-GND = 60 mV
(VTRIP-GND– VLL-PGND) voltage
VUCL(off)
Undercurrent limit comparator offset
–9.5
0.5
10.5
mV
VTRIP-GND = 60 mV, EN_PSV=FLOAT
VZC(off)
Zero crossing comparator offset
VPGND-LL voltage, V EN_PSV = 3.3V
–9.5
0.5
10.5
mV
VRTRIP
Current limit threshold setting range
VTRIP-GND voltage
(2) , T
A = 25°C
30
mV
ITRIP
TRIP source current
VTRIP < 0.3 V, TA = 25°C
9
10
11
μA
Trip source current temperature
TCITRIP
TA = 25°C
(2)
4500
ppm/
°C
coefficient
(1)
Design constraint. Ensure actual on-time is greater than the maxiumum value (design RT(on) so that the minimum tolerance is 100 k).
(2)
Ensured by design. Not production tested.
4
Copyright
2009–2011, Texas Instruments Incorporated
相關PDF資料 |
PDF描述 |
|---|---|
| TPS51317RGBT | SWITCHING REGULATOR, 1500 kHz SWITCHING FREQ-MAX, PQCC20 |
| TPS51317RGBR | SWITCHING REGULATOR, 1500 kHz SWITCHING FREQ-MAX, PQCC20 |
| TPS51427ARHBR | DUAL SWITCHING CONTROLLER, PQCC32 |
| TPS51427ARHBT | DUAL SWITCHING CONTROLLER, PQCC32 |
| TPS51461RGET | SWITCHING REGULATOR, 1000 kHz SWITCHING FREQ-MAX, PQCC24 |
相關代理商/技術參數 |
參數描述 |
|---|---|
| TPS51317 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:3.3-V/5-V Input, 6-A, D-CAP+? Mode Synchronous Step-Down Integrated FETs Converter |
| TPS51317RGBR | 功能描述:直流/直流開關轉換器 3.3V/5Vin,6A,DCAP Mode Sync Converter RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數量:2 最大工作溫度:+ 85 C 安裝風格:SMD/SMT |
| TPS51317RGBT | 功能描述:直流/直流開關轉換器 3.3V/5Vin,6A,DCAP Mode Sync Converter RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數量:2 最大工作溫度:+ 85 C 安裝風格:SMD/SMT |
| TPS51362RVER | 制造商:Texas Instruments 功能描述:22V INPUT, 10A INTEGRATED FET 制造商:Texas Instruments 功能描述:IC REG BUCK SYNC ADJ 10A 28VQFN |
| TPS51362RVET | 制造商:Texas Instruments 功能描述:22V INPUT, 10A INTEGRATED FET 制造商:Texas Instruments 功能描述:IC REG BUCK SYNC ADJ 10A 28VQFN |
發布緊急采購，3分鐘左右您將得到回復。