- 您現(xiàn)在的位置：買賣IC網(wǎng) > PDF目錄98282 > TPS54320RHLR (TEXAS INSTRUMENTS INC) SWITCHING REGULATOR, 1320 kHz SWITCHING FREQ-MAX, PQCC14 PDF資料下載
參數(shù)資料
| 型號： | TPS54320RHLR |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | SWITCHING REGULATOR, 1320 kHz SWITCHING FREQ-MAX, PQCC14 |
| 封裝： | 3.50 X 3.50 MM, GREEN, PLASTIC, QFN-14 |
| 文件頁數(shù)： | 34/39頁 |
| 文件大小： | 1358K |
| 代理商： | TPS54320RHLR |
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頁第27頁第28頁第29頁第30頁第31頁第32頁第33頁當前第34頁第35頁第36頁第37頁第38頁第39頁
SLVS982A – AUGUST 2010 – REVISED SEPTEMBER 2010
www.ti.com
ELECTRICAL CHARACTERISTICS (continued)
TJ= –40°C to 150°C, VIN = 4.5V to 17V, PVIN = 1.6V to 17V (unless otherwise noted)
DESCRIPTION
CONDITIONS
MIN
TYP
MAX
UNIT
ERROR AMPLIFIER
Error amplifier Transconductance (gm)
–2 mA < I(COMP) < 2 mA, V(COMP) = 1 V
1300
mMhos
Error amplifier dc gain
VSENSE = 0.8 V
1000
3100
V/V
Error amplifier source/sink
V(COMP) = 1 V, 100 mV input overdrive
±110
mA
Start switching threshold
0.25
V
COMP to Iswitch gm
12
A/V
CURRENT LIMIT
High-side switch current limit threshold
4.2
6.2
A
Low-side switch sourcing current limit
3.8
5.8
A
Low-side switch sinking current limit
1
2.6
A
Hiccup wait time before triggering hiccup
512
cycles
Hiccup time before restart
16384
cycles
THERMAL SHUTDOWN
Thermal shutdown
160
175
°C
Thermal shutdown hysteresis
10
°C
TIMING RESISTOR AND EXTERNAL CLOCK (RT/CLK PIN)
Minimum switching frequency
Rrt = 240 k
(1%)
160
200
240
kHz
Switching frequency
Rrt = 100 k
(1%)
400
480
560
kHz
Maximum switching frequency
Rrt = 40.2 k
(1%)
1080
1200
1320
kHz
Minimum pulse width
20
ns
RT/CLK high threshold
2
V
RT/CLK low threshold
0.8
V
RT/CLK falling edge to PH rising edge delay
Measure at 500 kHz with RT resistor in series
62
ns
Switching frequency range (RT mode set point
200
1200
kHz
and PLL mode)
PH (PH PIN)
Measured at 90% to 90% of PH,
Minimum on time
97
135
ns
TA = 25°C, IPH = 2A
Minimum off time
BOOT-PH
≥ 3 V
0
ns
BOOT (BOOT PIN)
BOOT-PH UVLO
2.1
3
V
SLOW START AND TRACKING (SS/TR PIN)
SS charge current
2.3
mA
SS/TR to VSENSE matching
V(SS/TR) = 0.4 V
29
60
mV
POWER GOOD (PWRGD PIN)
VSENSE falling (Fault)
91
% Vref
VSENSE rising (Good)
94
% Vref
VSENSE threshold
VSENSE rising (Fault)
109
% Vref
VSENSE falling (Good)
106
% Vref
Output high leakage
VSENSE = Vref, V(PWRGD) = 5.5 V
30
100
nA
Output low
I(PWRGD) = 2 mA
0.3
V
Minimum VIN for valid output
V(PWRGD) < 0.5V at 100 mA
0.6
1
V
Minimum SS/TR voltage for PWRGD valid
1.2
1.4
V
4
Copyright 2010, Texas Instruments Incorporated
Product Folder Link(s) :TPS54320
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| TPS54320RHL | SWITCHING REGULATOR, PQCC14 |
| TPS54327DDAR | 5.7 A SWITCHING REGULATOR, 700 kHz SWITCHING FREQ-MAX, PDSO8 |
| TPS54328DDA | 5.7 A SWITCHING REGULATOR, 700 kHz SWITCHING FREQ-MAX, PDSO8 |
| TPS54328DDAR | 5.7 A SWITCHING REGULATOR, 700 kHz SWITCHING FREQ-MAX, PDSO8 |
| TPS54331DG4 | 2 A SWITCHING REGULATOR, 684 kHz SWITCHING FREQ-MAX, PDSO8 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TPS54320RHLT | 功能描述:直流/直流開關(guān)調(diào)節(jié)器 4.5-17V Inp3A Sync Step Down Cnvrtr RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關(guān)頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數(shù)量: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5 |
| TPS54320RHLT | 制造商:Texas Instruments 功能描述:IC SYNC STEP-DOWN CONTROLLER 1.2MHZ Q 制造商:Texas Instruments 功能描述:IC, SYNC STEP-DOWN CONTROLLER, 1.2MHZ, QFN-14 |
| TPS54325 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:4.5-V to 18-V, 3-A OUTPUT SYNCHRONOUS STEP DOWN SWITCHER WITH INTEGRATED FET (SWIFT?) |
| TPS54325_10 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:4.5-V to 18-V, 3-A OUTPUT SYNCHRONOUS STEP DOWN SWITCHER WITH INTEGRATED FET (SWIFT?) |
| TPS54325EVM | 功能描述:電源管理IC開發(fā)工具 5-17V Input 3A SWIFT CVTR Eval RoHS:否 制造商:Maxim Integrated 產(chǎn)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 |
發(fā)布緊急采購，3分鐘左右您將得到回復(fù)。