參數(shù)資料
型號： TPS62262DRV
廠商： TEXAS INSTRUMENTS INC
元件分類： 穩(wěn)壓器
英文描述： 1.2 A SWITCHING REGULATOR, 2500 kHz SWITCHING FREQ-MAX, PDSO6
封裝： 2 X 2 MM, 0.80 MM HEIGHT, PLASTIC, SON-6
文件頁數(shù)： 23/32頁
文件大?。?/td> 1304K
代理商： TPS62262DRV
www.ti.com
ELECTRICAL CHARACTERISTICS
SLVS763B – JUNE 2007 – REVISED FEBRUARY 2008
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 = 4.7F 0603, COUT = 10F 0603, L = 2.2H, 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
VIN 2.3 V to 2.5 V
300
mA
VIN 2 V to 2.3 V
150
IOUT = 0 mA, PFM mode enabled
15
(MODE = GND) device not switching
A
IOUT = 0 mA, PFM mode enabled
(MODE = GND) device switching, VOUT = 1.8 V,
18.5
IQ
Operating quiescent current
See (1)
IOUT = 0 mA, switching with no load
(MODE = VIN), PWM operation, VOUT = 1.8 V,
3.8
mA
VIN = 3 V
ISD
Shutdown current
EN = GND
0.1
1
A
Falling
1.85
UVLO
Undervoltage lockout threshold
V
Rising
1.95
ENABLE, MODE
High level input voltage, EN,
2 V
≤ VIN ≤ 6 V
1
VIN
VIH
V
MODE
Low level input voltage, EN,
2 V
≤ VIN ≤ 6 V
0
0.4
VIL
V
MODE
IIN
Input bias current, EN, MODE
EN, MODE = GND or VIN
0.01
1
A
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
0.8
1
1.2
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 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, for fixed output
Feedback voltage PWM Mode
voltage versions VFB = VOUT,
–1.5%
0%
1.5%
2.5 V
≤ VIN ≤ 6 V, 0 mA ≤ IOUT ≤ 600 mA
(2)
VFB
MODE = GND, device in PFM mode, voltage
Feedback voltage PFM mode
1%
positioning active(1)
Load regulation
PWM Mode
-0.5
%/A
Time from active EN to reach 95% of VOUT
500
tStart Up
Start-up time
s
nominal
tRamp
VOUT ramp up time
Time to ramp from 5% to 95% of VOUT
250
s
Ilkg
Leakage current into SW pin
VIN = 3.6 V, VIN = VOUT = VSW, EN = GND
(3)
0.1
1
A
(1)
In PFM mode, the internal reference voltage is set to typ. 1.01
×V
ref. See the parameter measurement information.
(2)
For VIN = VO + 0.6 V
(3)
In fixed output voltage versions, the internal resistor divider network is disconnected from FB pin.
Copyright 2007–2008, Texas Instruments Incorporated
3
Product Folder Link(s): TPS62260 TPS62261 TPS62262 TPS62263
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TPS62262DRVR 功能描述:直流/直流開關(guān)調(diào)節(jié)器 2.25MHz 600mA Step- Down Converter 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
TPS62262DRVRG4 功能描述:直流/直流開關(guān)調(diào)節(jié)器 2.25MHz 600mA Step- Down Converter 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
TPS62262DRVT 功能描述:直流/直流開關(guān)調(diào)節(jié)器 2.25MHz 600mA Step- Down Converter 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
TPS62262DRVTG4 功能描述:直流/直流開關(guān)調(diào)節(jié)器 2.25MHz 600mA Step- Down Converter 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
TPS62262TDRVRQ1 功能描述:直流/直流開關(guān)調(diào)節(jié)器 2.25MHz 600mA Step- Down Converter 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
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