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參數(shù)資料
| 型號(hào)： | TPS62220DDC |
| 廠(chǎng)商： | Texas Instruments, Inc. |
| 英文描述： | 400-mA, 1.25-MHz, HIGH-EFFICIENCY, STEP-DOWN CONVERTER IN THIN-SOT23 |
| 中文描述： | 400毫安，1.25 MHz的，高效率，降壓型轉(zhuǎn)換器薄，SOT23封裝 |
| 文件頁(yè)數(shù)： | 3/20頁(yè) |
| 文件大?。?/td> | 464K |
| 代理商： | TPS62220DDC |
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ELECTRICAL CHARACTERISTICS
V
I
= 3.6 V, V
O
= 1.8 V, I
O
= 200 mA, EN = VIN, T
A
= -40
°
C to 85
°
C, typical values are at T
A
= + 25
°
C (unless otherwise noted)
TPS62220, TPS62221, TPS62222
TPS62223, TPS62224
TPS62228, TPS62229
SLVS491C–SEPTEMBER 2003–REVISED SEPTEMBER 2004
PARAMETER
SUPPLY CURRENT
V
I
I
Q
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Input voltage range
Operating quiescent current
Shutdown supply current
Undervoltage lockout threshold
2.5
6.0
25
V
μA
μA
V
I
O
= 0 mA, Device is not switching
EN = GND
15
0.1
1
1.5
2.0
ENABLE
V
(EN)
EN high level input voltage
EN low level input voltage
EN input bias current
1.3
V
V
μA
0.4
0.1
I
(EN)
POWER SWITCH
EN = GND or VIN
0.01
V
IN
= V
GS
= 3.6 V
V
IN
= V
GS
= 2.5 V
V
IN
= V
GS
= 3.6 V
V
IN
= V
GS
= 2.5 V
V
DS
= 6.0 V
V
DS
= 6.0 V
2.5 V < V
IN
< 6.0 V
530
670
430
530
0.1
0.1
670
670
850
540
660
P-channel MOSFET on-resistance
m
r
ds(ON)
N-channel MOSFET on-resistance
m
I
lkg_(P)
I
lkg_(N)
I
(LIM)
OSCILLATOR
f
S
OUTPUT
I
O
P-channel leakage current
N-channel leakage current
P-channel current limit
1
1
μA
μA
mA
600
880
Switching frequency
0.8
1.25
1.85
MHz
Output current
Adjustable output voltage
range
Reference voltage
400
mA
V
O
TPS62220
0.7
V
IN
V
V
ref
0.5
V
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
≤
400 mA
V
I
= 2.5 V to 6.0 V, I
O
= 0 mA
V
I
= 2.5 V to 6.0 V, 0 mA
≤
I
O
≤
400 mA
V
I
= 2.5 V to 6.0 V, I
O
= 0 mA
V
I
= 2.5 V to 6.0 V, 0 mA
≤
I
O
≤
400 mA
V
I
= 2.5 V to 6.0 V, I
O
= 0 mA
V
I
= 2.5 V to 6.0 V, 0 mA
≤
I
O
≤
400 mA
V
I
= 2.5 V to 6.0 V, I
O
= 0 mA
V
I
= 2.5 V to 6.0 V, 0 mA
≤
I
O
≤
400 mA
V
I
= 2.5 V to 6.0 V, I
O
= 0 mA
V
I
= 2.5 V to 6.0 V, 0 mA
≤
I
O
≤
400 mA
V
I
= 2.7 V to 6.0 V, I
O
= 0 mA
V
I
= 2.7 V to 6.0 V, 0 mA
≤
I
O
≤
400 mA
V
I
= 2.5 V to 6.0 V, I
O
= 10 mA
I
O
= 100 mA to 400 mA
Vin > Vout, 0 V
≤
Vsw
≤
Vin
Vin = open, EN=GND, V
SW
= 6.0 V
0%
-3%
0%
-3%
0%
-3%
0%
-3%
0%
-3%
0%
-3%
0%
-3%
3%
3%
3%
3%
3%
3%
3%
3%
3%
3%
3%
3%
3%
3%
TPS62220
Adjustable
Feedback voltage, See
(1)
TPS62221
1.5 V
TPS62224
1.6 V
TPS62229
1.7 V
V
O
Fixed output voltage
TPS62222
1.8 V
TPS62228
1.875 V
TPS62223
2.3 V
Line regulation
Load regulation
Leakage current into SW pin
Reverse leakage current into pin SW
0.26
%/V
%/mA
μA
μA
0.0014
I
lkg
I
lkg
(Rev)
0.1
0.1
1
1
(1)
For output voltages
≤
1.2 V, a 22-μF output capacitor value is required to achieve a maximum output voltage accuracy of 3% while
operating in power-save mode (PFM mode). For output voltages
≥
2 V, an inductor of 10 μH and an output capacitor of
≥
10 μF is
recommended. See the
Application Information
section for external components.
3
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| TPS62221DDC | 400-mA, 1.25-MHz, HIGH-EFFICIENCY, STEP-DOWN CONVERTER IN THIN-SOT23 |
| TPS62222DDC | 400-mA, 1.25-MHz, HIGH-EFFICIENCY, STEP-DOWN CONVERTER IN THIN-SOT23 |
| TPS62229DDC | 400-mA, 1.25-MHz, HIGH-EFFICIENCY, STEP-DOWN CONVERTER IN THIN-SOT23 |
| TPS62223DDC | 400-mA, 1.25-MHz, HIGH-EFFICIENCY, STEP-DOWN CONVERTER IN THIN-SOT23 |
| TPS6222 | 400-mA, 1.25-MHz, HIGH-EFFICIENCY, STEP-DOWN CONVERTER IN THIN-SOT23 |
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參數(shù)描述 |
|---|---|
| TPS62220DDCR | 功能描述:直流/直流開(kāi)關(guān)調(diào)節(jié)器 Adj 400mA Hi-Eff Step-Down Con 15uA 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 |
| TPS62220DDCRG4 | 功能描述:直流/直流開(kāi)關(guān)調(diào)節(jié)器 Adj 400mA Hi-Eff Step-Down Con 15uA 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 |
| TPS62220DDCT | 功能描述:直流/直流開(kāi)關(guān)調(diào)節(jié)器 Adj 400mA Hi-Eff Step-Down Con 15uA 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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