RT9261-15GB RICHTEK [Richtek Technology Corporation], RT9261-15GB Datasheet - Page 5

• Manufacturer Part Number: RT9261-15GB
• Description: VFM Step-Up DC/DC Converter
• Manufacturer: RICHTEK [Richtek Technology Corporation]

Absolute Maximum Ratings
Notes:
Electrical Characteristics
DS9261/A-12 March 2007
Notes:
(1)Unless otherwise provided, V
(2)Unless otherwise provided, V
(1) Applicable to RT9261-
(2) Applicable to RT9261A-
(3) Applicable to RT9261-
Output Voltage Accuracy
Input Voltage
Start-up Voltage
Hold-on Voltage
Input Current 1
Input Current 2
LX Switching Current
LX Leakage Current
Maximum Oscillator
Oscillator Duty Cycle
Efficiency
V
Output Voltage -------------------------------------------------------------------------------------------------------- 8V
LX Pin Voltage
EXT Pin Voltage
EN Pin Voltage
LX Pin Output Current
EXT Pin Current
Power Dissipation, P
SOT-89 ------------------------------------------------------------------------------------------------------------------ 0.5W
SOT-23-5 ---------------------------------------------------------------------------------------------------------------
Package Thermal Resistance
SOT-89, θ
SOT-89, θ
SOT-23-5, θ
Operating Temperature Range -------------------------------------------------------------------------------------
Storage Temperature Range --------------------------------------------------------------------------------------- 165°C
Lead Temperature (Soldering, 10 sec.) -------------------------------------------------------------------------- 260°C
LX
Voltage Limit
JA
JC
JA
------------------------------------------------------------------------------------------------------------ 100° C/W
------------------------------------------------------------------------------------------------------------ 300° C/W
---------------------------------------------------------------------------------------------------------- 250° C/W
(1)
(3)
Parameter
(2)
(2)
------------------------------------------------------------------------------------
----------------------------------------------------------------------------------------------------
---------------------------------------------------------------------------------------------------
--------------------------------------------------------------------------------------------------- ± 50mA
D
(1)
@ T
V
3.5V < V
V
3.5V < V
OUT
OUT
-------------------------------------------------------------------------------------------- 250mA
A
≤ 3.5V
IN
IN
= 25°C
CX and RT9261-
CB and RT9261A-
≤ 3.5V
CX and RT9261A-
= 1.8V, V
= 3V, V
OUT
OUT
(1)
(1)
≤ 5V
≤ 5V
SS
(Refer to Figure 1)
SS
= 0V, I
= 0V, I
(2)
(2)
ΔV
V
V
V
I
I
F
D
OUT
SWITCHING
LEAKAGE
Symbol
OUT
MAX
IN
ST
HO
OSC
Preliminary
OUT
CB
= 10mA, T
= 10mA, T
CB
CB
no load
V
On ( V
L
OPT
I
I
To be measured at V
To be measured at V
switch off condition
V
OUT
OUT
OPT
X
LX
LX
switch on
= 25° C, and External Circuit of Typical Application
= 6V
= 0.4V
= 25°C, and External Circuit of Typical Application
Test Conditions
= 1mA, V
= 1mA, V
LX
” L ” ) side
IN
IN
: 0 → 2V
: 2 → 0V
IN
OUT
at
in
0.65
Min
0.7
60
80
80
65
-2
--
--
--
--
--
--
--
RT9261/A
8V
−
−
0.25W
−
0.85
Typ
120
0.8
15
18
75
75
0.3 to V
0.3 to V
20 to +85°C
--
--
--
--
--
--
5
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Max Units
160
1.0
0.5
1.0
+2
18
24
85
--
--
--
--
7
8
OUT
OUT
+0.3V
+0.3V
kHz
mA
μA
μA
μA
%
%
%
V
V
V
V
5