RT8008GB Richtek USA Inc, RT8008GB Datasheet - Page 5

• Manufacturer Part Number: RT8008GB
• Description: IC DC-DC REG STP-DN SYNC SOT23-5
• Manufacturer: Richtek USA Inc
• Type: Step-Down (Buck), PWMr

Specifications of RT8008GB

• Internal Switch(s): Yes
• Synchronous Rectifier: Yes
• Number Of Outputs: 1
• Voltage - Output: 0.6 V ~ 5.5 V
• Current - Output: 600mA
• Frequency - Switching: 1.5MHz
• Voltage - Input: 2.5 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: SC-74A, SOT-753
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

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 recommended.
Note 4. The device is not guaranteed to function outside its operating conditions.
DS8008-06 March 2011
Oscillator Frequency
FB Input Current
PMOSFET R
NMOSFET R
P-Channel Current Limit
EN High-Level Input Voltage
EN Low-Level Input Voltage
Under Voltage Lockout Threshold
Hysteresis
Thermal Shutdown Temperature
Min. On Time
Max. Duty Cycle
LX Leakage Current
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. Pin 2 of SOT-23-5/TSOT-23-5 packages is the case position for θ
measurement.
JA
is measured in the natural convection at T
ON
ON
Parameter
P
N
I
V
V
f
T
Symbol
I
P(LM)
OSC
FB
SD
RDS(ON)
ENH
ENL
RDS(ON)
V
V
I
I
V
V
V
V
OUT
OUT
FB
IN
IN
IN
IN
IN
A
= 25°C on a low effective single layer thermal conductivity test board of
= 3.6V, V
= 3.6V, I
= V
= 2.5V to 5.5 V
= 2.5V to 5.5V
= 2.5V to 5.5V
= 200mA
= 200mA
IN
Test Conditions
OUT
LX
= 0V or V
= 100mA
V
V
V
V
IN
IN
IN
IN
= 3.6V
= 2.5V
= 3.6V
= 2.5V
LX
= 3.6V
Min
−50
100
1.5
1.2
−1
--
--
--
--
--
--
--
--
--
1
0.25
0.35
Typ
160
0.3
0.4
1.8
0.1
1.5
50
--
--
--
--
--
--
RT8008
www.richtek.com
Max
1.8
0.4
1.8
50
--
--
--
--
--
--
--
--
--
--
1
MHz
Unit
μA
nA
°C
ns
%
Ω
Ω
A
V
V
V
V
JC
5