rt9275 Richtek Technology Corporation, rt9275 Datasheet - Page 4

• Manufacturer Part Number: rt9275
• Description: Tiny Package, High Efficiency, Step-up Dc/dc Converter
• Manufacturer: Richtek Technology Corporation

RT9275
Note 1. Stresses listed as the above "Absolute Maximum Ratings" may cause permanent damage to the device. These are for
Note 2. Devices are ESD sensitive. Handling precaution recommended.
Note 3. θ
Note 4. No Load Current is highly dependent on practical system design and component selection that cannot be covered by
Note 5. Current Limit is guaranteed by design at T
Note 6. Load Regulation is not tested at production due to practical instrument limitation. Load Regulation performance is
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4
Soft Start time
Under Voltage Protection –
Threshold Voltage
Thermal Shutdown
Thermal Shutdown Hysterises
stress ratings. Functional operation of the device at these or any other conditions beyond those indicated in the
operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended
periods may remain possibility to affect device reliability.
JEDEC 51-3 thermal measurement standard.
production testing. Typical No Load Current is verified by typical application circuit with recommended components.
No Load Current performance is guaranteed by Switch Off Current and Continuous Switching Current.
dominantly dependent on DC loop gain and LX ON Resistance that are guaranteed by
Resistance
JA
is measured in the natural convection at T
Parameter
”
tests in production.
T
V
T
ΔT
Symbol
SS
SD
TH-UVP
SD
A
= 25°C.
Preliminary
A
= 25°C on a low effective thermal conductivity test board of
Test Conditions
0.75
Min
3.0
--
--
“
Line Regulation
DS9275-06 March 2007
0.85
Typ
165
6.0
10
Max
0.95
12
--
--
”
and
“
Units
LX ON
ms
°C
°C
V