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TPS64202DBVR-TPS64202DBVT-TPS64202DBVTG4 Fast Delivery,Good Price
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Partno Mfg Dc Qty AvailableDescript
TPS64202DBVRTIN/a5050avaiAdjustable, up to 3A, 95% Efficient Step-Down Controller, 20uA, SOT-23
TPS64202DBVTTIN/a660avaiAdjustable, up to 3A, 95% Efficient Step-Down Controller, 20uA, SOT-23
TPS64202DBVTG4TIN/a25avaiAdjustable, up to 3A, 95% Efficient Step-Down Controller, 20uA, SOT-23 6-SOT-23 -40 to 85


TPS64202DBVR ,Adjustable, up to 3A, 95% Efficient Step-Down Controller, 20uA, SOT-23FEATURES Digital Cameras Step-Down Controller for Applications With Hard Disk Drivesup to 95% Ef ..
TPS64202DBVT ,Adjustable, up to 3A, 95% Efficient Step-Down Controller, 20uA, SOT-23ELECTRICAL CHARACTERISTICS V = 3.8 V, V = 3.3 V, EN = V , T = −40°C to 85°C (unless otherwise note ..
TPS64202DBVTG4 ,Adjustable, up to 3A, 95% Efficient Step-Down Controller, 20uA, SOT-23 6-SOT-23 -40 to 85SLVS485 − AUGUST 2003These devices have limited built-in ESD protection. The leads should be shorte ..
TPS64203DBVR ,Adjustable, up to 3A, 95% Efficient Step-Down Controller, 20uA, SOT-23ELECTRICAL CHARACTERISTICS V = 3.8 V, V = 3.3 V, EN = V , T = −40°C to 85°C (unless otherwise note ..
TPS64203DBVRG4 ,Adjustable, up to 3A, 95% Efficient Step-Down Controller, 20uA, SOT-23FEATURES Digital Cameras Step-Down Controller for Applications With Hard Disk Drivesup to 95% Ef ..
TPS64203DBVT ,Adjustable, up to 3A, 95% Efficient Step-Down Controller, 20uA, SOT-23SLVS485 − AUGUST 2003These devices have limited built-in ESD protection. The leads should be shorte ..
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TPS64202DBVR-TPS64202DBVT-TPS64202DBVTG4
Adjustable, up to 3A, 95% Efficient Step-Down Controller, 20uA, SOT-23
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SLVS485 − AUGUST 2003
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FEATURES
Step-Down Controller for Applications With
up to 95% Efficiency
1.8-V to 6.5-V Operating Input Voltage Range Adjustable Output Voltage Range From 1.2 V
to VI
High Efficiency Over a Wide Load Current
Range
100% Maximum Duty Cycle for Lowest
Dropout
Internal Softstart 20-µA Quiescent Current (Typical) Overcurrent Protected Available in a SOT23 Package
APPLICATIONS
USB Powered Peripherals Organizers, PDAs, and Handheld PCs Low Power DSP Supply Digital Cameras Hard Disk Drives Portable Audio Players
DESCRIPTION

The TPS6420x are nonsynchronous step-down
controllers that are ideally suited for systems powered
from a 5-V or 3.3-V bus or for applications powered from
a 1-cell Li-Ion battery or from a 2- to 4-cell NiCd, NiMH, or
alkaline battery. These step-down controllers drive an
external P-channel MOSFET allowing design flexibility. To
achieve highest efficiency over a wide load current range,
this controller uses a minimum on time, minimum off time
control scheme and consumes only 20-µA quiescent
current. The minimum on time of typically 600 ns
(TPS64203) allows the use of small inductors and
capacitors. When disabled, the current consumption is
reduced to less than 1 µA. The TPS6420x is available in
the 6-pin SOT23 (DBV) package and operates over a free
air temperature range of −40°C to 85°C.
TYPICAL APPLICATION CIRCUIT
TPS64200
Si5447DC
Rs = 33 mΩ
3.3 V / 2 A
10 µF
5 V
0.0001 0.001 0.01 0.1 1 10
TPS64200
EFFICIENCY
LOAD CURRENT
IO − Load Current − A
Efficiency − %
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