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TPS62000SHKK PDF预览

TPS62000SHKK

更新时间: 2024-02-22 17:18:13
品牌 Logo 应用领域
德州仪器 - TI 转换器功效DC-DC转换器
页数 文件大小 规格书
22页 534K
描述
HIGH-EFFICIENCY STEP-DOWN LOW POWER DC-DC CONVERTER

TPS62000SHKK 数据手册

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TPS62000-HT  
www.ti.com .......................................................................................................................................................... SLVS917AMARCH 2009REVISED JUNE 2009  
ELECTRICAL CHARACTERISTICS  
over recommended operating free-air temperature range (unless oherwise noted), VI = 3.6 V, VO = 2.5 V,  
IO = 300 mA (TA = –55°C to 125°C), IO = 50 mA (TA = 210°C), EN = VIN  
TA = –55°C to 125°C  
TA = 210°C(1)  
TEST  
CONDITIONS  
PARAMETER  
SUPPLY CURRENT  
UNIT  
MIN  
TYP  
MAX  
MIN  
TYP  
MAX  
IO = 0 mA to 300 mA  
IO = 0 mA to 200 mA  
2.5  
2
5.5  
5.5  
2.5  
2
5.5  
5.5  
VI  
Input voltage range  
V
Operating quiescent  
current  
IO = 0 mA, SYNC = GND  
(PFM-mode enabled)  
I(Q)  
50  
75  
1
1400  
90  
4000  
200  
µA  
µA  
I(SD)  
ENABLE  
VIH  
Shutdown current  
EN = GND  
0.1  
EN high-level input voltage  
EN low level input voltage  
EN input leakage current  
1.5  
1.2  
1.5  
1.2  
V
V
VIL  
0.4  
1.1  
0.4  
1.1  
Ilkg  
EN = GND or VIN  
0.1  
1.6  
0.1  
1.6  
µA  
V(UVLO) Undervoltage lockout  
threshold  
2
2
V
POWER SWITCH AND CURRENT LIMIT  
VI = VGS = 3.6 V, I = 200 mA  
580  
790  
580  
790  
670(2)  
850(2)  
670(2)  
800(2)  
P-channel MOSFET  
on-resistance  
mΩ  
mΩ  
VI = VGS = 2 V, I = 200 mA  
VI = VGS = 3.6 V, IO = 200 mA  
VI = VGS = 2 V, IO = 200 mA  
rDS(on)  
N-channel MOSFET  
on-resistance  
OSCILLATOR  
fs  
Oscillator frequency  
500  
500  
750  
1000  
1000  
200  
500  
320  
600  
kHz  
kHz  
CMOS-logic clock signal  
on SYNC pin  
f(SYNC) Synchronization range  
1000  
SYNC high level input  
voltage  
VIH  
1.3  
1.3  
V
V
SYNC low level input  
voltage  
VIL  
0.4  
1.1  
0.4  
1.1  
SYNC input leakage  
current  
Ilkg  
SYNC = GND or VIN  
0.1  
0.1  
µA  
Duty cycle of external clock  
signal  
20%  
60%  
20%  
60%  
(1) Minimum and maximum parameters are characterized for operation at TA = 210°C but may not be production tested at that temperature.  
Production test limits with statistical guardbands are used to ensure high temperature performance.  
(2) Measured at 50 mA.  
Copyright © 2009, Texas Instruments Incorporated  
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9
Product Folder Link(s): TPS62000-HT  

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