- 您現在的位置：買賣IC網 > PDF目錄98284 > TPS62291TDRVRQ1 (TEXAS INSTRUMENTS INC) 1 A SWITCHING REGULATOR, 2500 kHz SWITCHING FREQ-MAX, PDSO6 PDF資料下載
參數資料
| 型號： | TPS62291TDRVRQ1 |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 穩壓器 |
| 英文描述： | 1 A SWITCHING REGULATOR, 2500 kHz SWITCHING FREQ-MAX, PDSO6 |
| 封裝： | 2 X 2 MM, 0.8 MM HEIGHT, GREEN, PLASTIC, SON-6 |
| 文件頁數： | 19/25頁 |
| 文件大?。?/td> | 817K |
| 代理商： | TPS62291TDRVRQ1 |
www.ti.com
SLVSAI5 – SEPTEMBER 2010
ELECTRICAL CHARACTERISTICS
Over full operating ambient temperature range, typical values are at TA = 25°C. Unless otherwise noted, specifications apply
for condition VIN = EN = 3.6V. External components CIN = 4.7mF 0603, COUT = 10mF 0603, L = 2.2mH, refer to parameter
measurement information.
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
SUPPLY
VI
Input voltage range
2.3
6
V
VIN 2.7 V to 6 V
1000
IO
Output current(1)
VIN 2.5 V to 2.7 V
600
mA
VIN 2.3 V to 2.5 V
300
IO = 0 mA, PFM mode enabled
15
mA
(MODE = GND) device not switching, See (2)
IQ
Operating quiescent current
IO = 0 mA, switching with no load, (MODE = VIN)
3.8
mA
PWM operation, VO = 1.8 V, VIN = 3V
EN = GND
TA = 25°C
0.1
1
ISD
Shutdown current
mA
TA = 105°C
2.5
Falling
1.85
UVLO
Undervoltage lockout threshold
V
Rising
1.95
ENABLE, MODE
VIH
High level input voltage, EN, MODE
2.3 V
≤ VIN ≤ 6 V
1
VIN
V
VIL
Low level input voltage, EN, MODE
2.3 V
≤ VIN ≤ 6 V
0
0.4
V
II
Input bias current, EN, MODE
EN, MODE = GND or VIN
0.01
1
mA
POWER SWITCH
High side MOSFET on-resistance
240
480
RDS(on)
VIN = VGS = 3.6 V, TA = 25°C
m
Low side MOSFET on-resistance
185
380
Forward current limit MOSFET
ILIMF
VIN = VGS = 3.6 V, TA = 25°C
1.19
1.4
1.78
A
high-side and low side
Thermal shutdown
Increasing junction temperature
140
TSD
°C
Thermal shutdown hysteresis
Decreasing junction temperature
20
OSCILLATOR
fSW
Oscillator frequency
2.3 V
≤ VIN ≤ 6 V
2.0
2.25
2.5
MHz
OUTPUT
VO
Adjustable output voltage range
0.6
VI
V
Vref
Reference voltage
600
mV
MODE = VIN, PWM operation,
VFB(PWM)
Feedback voltage
–1.5
0
1.5
2.3 V
≤ VIN ≤ 6 V, See
(3)
%
MODE = GND, device in PFM mode, +1%
VFB(PFM)
Feedback voltage PFM mode
1
voltage positioning active, See (2)
Load regulation
- 0.5
%/A
tStart Up
Start-up time
Time from active EN to reach 95% of VO
500
ms
tRamp
VO ramp-up time
Time to ramp from 5% to 95% of VO
250
ms
VI = 3.6 V, VI = VO = VSW, EN = GND,
Ilkg
Leakage current into SW pin
0.1
1
mA
See (4)
(1)
Not Production Tested.
(2)
In PFM mode, the internal reference voltage is set to typ. 1.01 × Vref . See the parameter measurement information.
(3)
For VIN = VO + 1.0 V
(4)
In fixed output voltage versions, the internal resistor divider network is disconnected from FB pin.
Copyright 2010, Texas Instruments Incorporated
3
相關PDF資料 |
PDF描述 |
|---|---|
| TPS62361BYZHT | 4.3 A SWITCHING REGULATOR, 2500 kHz SWITCHING FREQ-MAX, BGA16 |
| TPS62400QDRCQ1 | SWITCHING REGULATOR, PDSO10 |
| TPS62410DRCTG4 | 1.6 A DUAL SWITCHING CONTROLLER, 2500 kHz SWITCHING FREQ-MAX, PDSO10 |
| TPS62420DRCT | 1.61 A DUAL SWITCHING CONTROLLER, 2500 kHz SWITCHING FREQ-MAX, PDSO10 |
| TPS62420DRC | 1.61 A DUAL SWITCHING CONTROLLER, 2500 kHz SWITCHING FREQ-MAX, PDSO10 |
相關代理商/技術參數 |
參數描述 |
|---|---|
| TPS62293DRVR | 功能描述:直流/直流開關調節器 2.25MHz 1A Step-Down Cnvrtr RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數量: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5 |
| TPS62293DRVRG4 | 功能描述:直流/直流開關調節器 2.25MHz 1A Step-Down Converter RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數量: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5 |
| TPS62293DRVT | 功能描述:直流/直流開關調節器 2.25MHz 1A Step-Down Cnvrtr RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數量: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5 |
| TPS62293DRVTG4 | 功能描述:直流/直流開關調節器 2.25MHz 1A Step-Down Converter RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數量: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5 |
| TPS62293TDRVRQ1 | 功能描述:直流/直流開關調節器 AC 2.25MHz 1A Step- Down Converter RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數量: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5 |
發布緊急采購，3分鐘左右您將得到回復。