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參數資料
型號: TPS62260QDRVRQ1
廠商: TEXAS INSTRUMENTS INC
元件分類: 穩壓器
英文描述: SWITCHING REGULATOR, PDSO6
封裝: 2 X 2 MM, 0.80 MM, GREEN, PLASTIC, SON-6
文件頁數: 23/32頁
文件大小: 1182K
代理商: TPS62260QDRVRQ1
www.ti.com
SLVSA16A – AUGUST 2009 – REVISED FEBRUARY 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, see the parameter
measurement information.
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Supply
VIN
Input voltage range
2.3
6
V
VIN 2.5 V to 6 V
600
IOUT
Output current(1)
VIN 2.3 V to 2.5 V
300
mA
VIN 2 V to 2.3 V
150
IOUT = 0 mA, PFM mode enabled (MODE = GND),
15
device not switching
mA
IOUT = 0 mA, PFM mode
(2) enabled (MODE = GND),
IQ
Operating quiescent current
18.5
device switching, VOUT = 1.8 V
IOUT = 0 mA, switching with no load (MODE = VIN),
3.8
mA
PWM operation, VOUT = 1.8 V, VIN = 3 V
TA = 25°C
0.1
1
ISD
Shutdown current
EN = GND
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 V
≤ VIN ≤ 6 V
1
VIN
V
VIL
Low level input voltage, EN, MODE
2 V
≤ VIN ≤ 6 V
0
0.4
V
IIN
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, high
ILIMF
VIN = VGS = 3.6 V, TA = 25°C
0.8
1
1.3
A
side and low side
Thermal shutdown
Increasing junction temperature
140
TSD
°C
Thermal shutdown hysteresis
Decreasing junction temperature
20
Oscillator
fSW
Oscillator frequency
2 V
≤ VIN ≤ 6 V
2
2.25
2.5
MHz
Output
VOUT
Adjustable output voltage range
0.6
VIN
V
Vref
Reference voltage
600
mV
MODE = VIN, PWM operation,
Feedback voltage PWM mode
for fixed output voltage versions VFB = VOUT,
–1.5%
0%
1.5%
2.5 V
≤ VIN ≤ 6 V, 0 mA ≤ IOUT ≤ 600 mA
(3)
VFB
MODE = GND, device in PFM mode,
Feedback voltage PFM mode
1%
voltage positioning active(2)
Load regulation
PWM Mode
-0.5
%/A
tStart Up
Start-up time
Time from active EN to reach 95% of VOUT nominal
500
ms
tRamp
VOUT ramp-up time
Time to ramp from 5% to 95% of VOUT
250
ms
Ilkg
Leakage current into SW pin
VIN = 3.6 V, VIN = VOUT = VSW, EN = GND
(4)
0.1
1
mA
(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 + 0.6 V
(4)
In fixed output voltage versions, the internal resistor divider network is disconnected from FB pin.
Copyright 2009–2010, Texas Instruments Incorporated
3
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TPS62260TDDCRQ1 功能描述:Buck Switching Regulator IC Positive Adjustable 0.6V 1 Output 600mA SOT-23-5 Thin, TSOT-23-5 制造商:texas instruments 系列:汽車級,AEC-Q100 包裝:剪切帶(CT) 零件狀態:有效 功能:降壓 輸出配置:正 拓撲:降壓 輸出類型:可調式 輸出數:1 電壓 - 輸入(最小值):2V 電壓 - 輸入(最大值):6V 電壓 - 輸出(最小值/固定):0.6V 電壓 - 輸出(最大值):6V 電流 - 輸出:600mA 頻率 - 開關:2.25MHz 同步整流器:是 工作溫度:-40°C ~ 105°C(TA) 安裝類型:表面貼裝 封裝/外殼:SOT-23-5 細型,TSOT-23-5 供應商器件封裝:5-SOT 標準包裝:1
TPS62260TDRVRQ1 功能描述:直流/直流開關轉換器 AC 2.25MHz 600mA SD 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
TPS62261DRVR 功能描述:直流/直流開關調節器 2.25MHz 600mA 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
TPS62261DRVRG4 功能描述:直流/直流開關調節器 2.25MHz 600mA 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
TPS62261DRVT 功能描述:直流/直流開關調節器 2.25MHz 600mA 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
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