RT8009-12GB Richtek USA Inc, RT8009-12GB Datasheet - Page 4

• Manufacturer Part Number: RT8009-12GB
• Description: IC DCDC CONV STP-DN SYNC SOT23-5
• Manufacturer: Richtek USA Inc
• Type: Step-Down (Buck), PWMr

Specifications of RT8009-12GB

• Internal Switch(s): Yes
• Synchronous Rectifier: Yes
• Number Of Outputs: 1
• Voltage - Output: 1.2V
• Current - Output: 600mA
• Frequency - Switching: 1.25MHz
• 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

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4
RT8009
Absolute Maximum Ratings
l
l
l
l
l
l
l
l
Recommended Operating Conditions
l
l
l
Electrical Characteristics
(V
Input Voltage Range
Quiescent Current
Shutdown Current
Reference Voltage
Adjustable Output Range
Output Voltage
Accuracy
Supply Input Voltage ---------------------------------------------------------------------------------------------------- 6.5V
Enable, FB Voltage ------------------------------------------------------------------------------------------------------ V
Power Dissipation, P
SOT-23-5, TSOT-23-5 --------------------------------------------------------------------------------------------------- 0.4W
Package Thermal Resistance (Note 2)
SOT-23-5, TSOT-23-5,
SOT-23-5, TSOT-23-5,
Junction Temperature Range ------------------------------------------------------------------------------------------ 150 C
Lead Temperature (Soldering, 10 sec.) ------------------------------------------------------------------------------ 260 C
Storage Temperature Range ------------------------------------------------------------------------------------------- 65 C to 150 C
ESD Susceptibility (Note 3)
HBM (Human Body Mode) --------------------------------------------------------------------------------------------- 2kV
MM (Machine Mode) ---------------------------------------------------------------------------------------------------- 200V
Supply Input Voltage ---------------------------------------------------------------------------------------------------- 2.5V to 5.5V
Junction Temperature Range ------------------------------------------------------------------------------------------ 40 C to 125 C
Ambient Temperature Range ------------------------------------------------------------------------------------------ 40 C to 85 C
IN
= 3.6V, V
OUT
Parameter
= 2.5V, V
Fix
D
@ T
REF
JA
JC
---------------------------------------------------------------------------------------------- 250 C/W
A
--------------------------------------------------------------------------------------------- 130 C/W
= 0.5V, L = 4.7 H, C
= 25°C
V
I
I
V
V
Q
SHDN
Symbol
V
V
V
V
V
V
V
V
IN
REF
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
(Note 1)
I
EN = GND
For adjustable output voltage
V
0A < I
V
0A < I
V
0A < I
V
0A < I
V
0A < I
V
V
V
V
V
0A < I
OUT
IN
IN
IN
IN
IN
IN
OUT
IN
OUT
IN
IN
= 2.5 to 5.5V, V
= 2.5 to 5.5V, V
= 2.5 to 5.5V, V
= 2.5 to 5.5V, V
= 2.5 to 5.5V, V
= V
= V
= V
= 4.7 F, C
= 0mA, V
OUT
OUT
OUT
OUT
OUT
= 2.5V, 0A < I
= 3.3V, 0A < I
OUT
OUT
OUT
OUT
Test Conditions
< 600mA
< 600mA
< 600mA
< 600mA
< 600mA
< 600mA
+ V to 5.5V
+ V to 5.5V
+ 0.2V to 5.5V
OUT
FB
(Note 4)
= 10 F, T
= V
OUT
OUT
OUT
OUT
OUT
OUT
OUT
REF
= 1.0V
= 1.2V
= 1.3V
= 1.5V
= 1.8V
< 600mA
< 600mA
+ 5%
A
= 25 C, I
(Note 5)
(Note 5)
MAX
V
0.49
Min
= 600mA unless otherwise specified)
2.5
REF
--
--
3
3
3
3
3
3
3
3
DS8009-06 February 2011
Typ
0.1
0.5
50
--
--
--
--
--
--
--
--
--
--
V
IN
To be continued
Max
0.51
100
5.5
IN
1
3
3
3
3
3
3
3
3
+ 0.6V
0.2
Unit
%
%
%
%
%
%
%
%
V
V
V
A
A