rt8297a Richtek Technology Corporation, rt8297a Datasheet - Page 5

• Manufacturer Part Number: rt8297a
• Description: 1.5a, 17v, 340/800khz Synchronous Step-down Converter
• Manufacturer: Richtek Technology Corporation

Note 1. Stresses listed as the above "Absolute Maximum Ratings" may cause permanent damage to the device. These are for
Note 2. θ
Note 3. Devices are ESD sensitive. Handling precaution is recommended.
Note 4. The device is not guaranteed to function outside its operating conditions.
DS8297A/B-00 March 2011
Minimum On Time
Input Under Voltage Lockout
Threshold
Input Under Voltage Lockout
Threshold Hysteresis
EN Threshold
Voltage
EN Pull Low Current
Soft-Start Period
Thermal Shutdown
Thermal Shutdown
Hysteresis
Power Good Threshold
Rising
Power Good Threshold
Hysteresis
Power Good Pull Down
Resistance
Output OVP Trip Threshold
Output OVP Prop Delay
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 51-7 thermal measurement standard. The measurement case position of θ
package.
JA
Parameter
is measured in natural convection at T
Logic-High V
Logic-Low
t
V
ΔV
VIL
t
T
ΔT
Symbol
ON
SS
SD
UVLO
IH
SD
UVLO
V
EN
= 2V, V
A
= 25°C on a high effective thermal conductivity four-layer test board of
Test Conditions
FB
= 1V
Min
2.5
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JC
is on the exposed pad of the
Typ
100
320
150
130
125
3.5
0.7
RT8297A/B
15
12
10
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1
1
Max
0.4
www.richtek.com
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%V
Unit
mV
mV
μA
ms
°C
°C
ns
μs
Ω
V
V
V
REF
5