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參數(shù)資料
| 型號： | TPS62000YEG |
| 廠商： | Texas Instruments, Inc. |
| 元件分類： | DC/DC變換器 |
| 英文描述： | HIGH-EFFICIENCY STEP-DOWN LOW POWER DC-DC CONVERTER |
| 中文描述： | 高效率降壓型小功率DC - DC變換器 |
| 文件頁數(shù)： | 9/25頁 |
| 文件大小： | 475K |
| 代理商： | TPS62000YEG |
SLVS294C SEPTEMBER 2000 REVISED SEPTEMBER 2003
9
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended operating free-air temperature range, V
I
= 3.6 V,
V
O
= 2.5 V, I
O
= 300 mA, EN = V
IN
, ILIM = V
IN
, T
A
= 40
°
C to 85
°
C (unless otherwise noted) (continued)
power switch and current limit
PARAMETER
TEST CONDITIONS
I = 200 mA
MIN
200
TYP
280
MAX
410
UNIT
P-channel MOSFET on-resistance
VI = VGS = 3.6 V,
VI = VGS = 2 V,
VDS = 5.5 V
VI = VGS = 3.6 V,
VI = VGS = 2 V,
VDS = 5.5 V
2.5 V
≤
VI
≤
5.5 V,
2 V
≤
VI
≤
5.5 V,
m
I = 200 mA
480
rDS(on)
P-channel leakage current
1
μ
A
N-channel MOSFET on-resistance
IO = 200 mA
IO = 200 mA
200
280
410
m
500
N-channel leakage current
1
μ
A
I(LIM)
P-channel current limit
ILIM = VIN
ILIM = GND
800
1200
1600
mA
390
600
900
VIH
VIL
Ilkg
ILIM high-level input voltage
1.3
V
ILIM low-level input voltage
0.4
V
μ
A
ILIM input leakage current
ILIM = GND or VIN
0.01
0.1
power good output (see Note 3)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
V(PG)
Power good threshold
Feedback voltage falling
88%
VO
92%
VO
94%
VO
V
Power good hysteresis
2.5% VO
V
VOL
Ilkg
Minimum supply voltage for valid power good signal
NOTE 3: Power good is not valid for the first 100
μ
s after EN goes high. Please refer to the application section for more information.
PG output low voltage
V(FB) = 0.8
×
VO nominal, I(sink) = 10
μ
A
V(FB) = VO nominal
0.3
V
μ
A
V
PG output leakage current
0.01
1
1.2
oscillator
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
fs
f(SYNC)
VIH
VIL
Ilkg
Duty cycle of external clock signal
Oscillator frequency
500
750
1000
kHz
Synchronization range
CMOS-logic clock signal on SYNC pin
500
1000
kHz
SYNC high level input voltage
1.3
V
SYNC low level input voltage
0.4
V
μ
A
SYNC input leakage current
SYNC = GND or VIN
0.01
0.1
20%
60%
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| TPS62000YEGR | 功能描述:開關(guān)變換器、穩(wěn)壓器與控制器 Adj 600mA Hi-Eff Step-Down Converter RoHS:否 制造商:Texas Instruments 輸出電壓:1.2 V to 10 V 輸出電流:300 mA 輸出功率: 輸入電壓:3 V to 17 V 開關(guān)頻率:1 MHz 工作溫度范圍: 安裝風格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel |
| TPS62000YEGT | 功能描述:開關(guān)變換器、穩(wěn)壓器與控制器 Adj 600mA Hi-Eff Step-Down Converter RoHS:否 制造商:Texas Instruments 輸出電壓:1.2 V to 10 V 輸出電流:300 mA 輸出功率: 輸入電壓:3 V to 17 V 開關(guān)頻率:1 MHz 工作溫度范圍: 安裝風格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel |
| TPS62000YZGR | 功能描述:開關(guān)變換器、穩(wěn)壓器與控制器 Adj 600-mA 95% Eff Step-Down Converter RoHS:否 制造商:Texas Instruments 輸出電壓:1.2 V to 10 V 輸出電流:300 mA 輸出功率: 輸入電壓:3 V to 17 V 開關(guān)頻率:1 MHz 工作溫度范圍: 安裝風格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel |
| TPS62000YZGT | 功能描述:開關(guān)變換器、穩(wěn)壓器與控制器 Adj 600-mA 95% Eff Step-Down Conv RoHS:否 制造商:Texas Instruments 輸出電壓:1.2 V to 10 V 輸出電流:300 mA 輸出功率: 輸入電壓:3 V to 17 V 開關(guān)頻率:1 MHz 工作溫度范圍: 安裝風格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel |
| TPS62001DGS | 功能描述:直流/直流開關(guān)調(diào)節(jié)器 0.9V Out 600mA Step-Down Con 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: 安裝風格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5 |
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