參數(shù)資料
型號(hào)： TPS62026DRC
廠商： Texas Instruments, Inc.
英文描述： 600 mA/1.25 MHz HIGH-EFFICIENCY STEP-DOWN CONVERTER
中文描述： 600 mA/1.25兆赫高效降壓型轉(zhuǎn)換器
文件頁(yè)數(shù)： 3/24頁(yè)
文件大?。?/td> 612K
代理商： TPS62026DRC
www.ti.com
ELECTRICAL CHARACTERISTICS
V
I
= 3.6 V, V
O
= 1.8 V, I
O
= 600 mA, EN = VIN, T
A
= –40
°
C to 85
°
C, typical values are at T
A
= 25
°
C (unless otherwise noted)
(1)
TPS62020
TPS62021
TPS62026
SLVS076C–JUNE 2003–REVISED DECEMBER 2004
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
SUPPLY CURRENT
V
I
I
(Q)
I
SD
V
UVLO
ENABLE AND MODE
V
EN
V
EN
I
EN
V
(MODE)
V
(MODE)
I
(MODE)
POWER SWITCH
Input voltage range
Operating quiescent current
Shutdown supply current
Under-voltage lockout threshold
2.5
6.0
35
V
μA
μA
V
I
O
= 0 mA, device is not switching
EN = GND
18
0.1
1
1.5
2.3
EN high level input voltage
EN low level input voltage
EN input bias current
MODE high level input voltage
MODE low level input voltage
MODE input bias current
1.4
V
V
μA
V
V
μA
0.4
1.0
EN = GND or VIN
0.01
1.4
0.4
1.0
MODE = GND or VIN
0.01
P-channel MOSFET on-resistance
P-channel MOSFET on-resistance
P-channel leakage current
N-channel MOSFET on-resistance
N-channel MOSFET on-resistance
N-channel leakage current
P-channel current limit
Thermal shutdown
OSCILLATOR
V
I
= V
GS
= 3.6 V
V
I
= V
GS
= 2.5 V
V
DS
= 6.0 V
V
I
= V
GS
= 3.6 V
V
I
= V
GS
= 2.5 V
V
DS
= 6.0 V
2.5 V < V
I
< 6.0 V
115
145
210
270
1
200
280
1
1.3
m
m
μA
m
m
μA
A
°
C
r
DS(ON)
I
lkg(P)
85
115
r
DS(ON)
I
Ikg(N)
I
L
0.9
1.1
150
V
FB
= 0.5 V
V
FB
= 0 V
1
1.25
625
1.5
MHz
kHz
f
S
Oscillator frequency
OUTPUT
Adjustable output
voltage range
Reference voltage
TPS62020,
TPS62021
V
O
0.7
V
IN
V
V
ref
0.5
V
TPS62020,
TPS62021
Adjustable
V
I
= 2.5 V to 6.0 V; I
O
= 0 mA
0%
3%
V
FB
Feedback voltage
V
V
I
= 2.5 V to 6.0 V; 0 mA
≤
I
O
≤
600 mA
–3%
3%
V
I
= 3.6 V to 6.0 V; I
O
= 0 mA
V
I
= 3.6 V to 6.0 V; 0 mA
≤
I
O
≤
600 mA
V
I
= V
O
+ 0.5 V (min 2.5 V) to 6.0 V, I
O
= 10
mA
I
O
= 10 mA to 600 mA
V
I
> V
O
, 0 V
≤
V
SW
≤
V
I
V
I
= open; EN = GND; V
SW
= 6.0 V
V
FB
= 0 V
0%
–3%
3%
3%
V
O
Fixed output voltage
TPS62026 3.3 V
V
Line regulation
(1)
0
%/V
Load regulation
(1)
Leakage current into SW pin
Reverse leakage current into pin SW
Short circuit switching frequency
0
%/mA
μA
μA
kHz
0.1
0.1
625
1
1
I
Ikg(SW)
f
(1)
The line and load regulations are digitally controlled to assure an output voltage accuracy of
±
3%.
3
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TPS62026DRCR 功能描述:直流/直流開(kāi)關(guān)調(diào)節(jié)器 3.3V Out 600mA Step-Down Converter RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開(kāi)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
TPS62026DRCRG4 功能描述:直流/直流開(kāi)關(guān)調(diào)節(jié)器 3.3V Out 600mA Step-Down Converter RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開(kāi)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
TPS62040DGQ 功能描述:直流/直流開(kāi)關(guān)調(diào)節(jié)器 Adj 1.2A Hi-Eff Step-Down RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開(kāi)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
TPS62040DGQG4 功能描述:直流/直流開(kāi)關(guān)調(diào)節(jié)器 Adj 1.2A Hi-Eff Step-Down RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開(kāi)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
TPS62040DGQR 功能描述:直流/直流開(kāi)關(guān)調(diào)節(jié)器 Adj 1.2A Hi-Eff Step-Down RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開(kāi)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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