RT9263CGX5 RICHTEK [Richtek Technology Corporation], RT9263CGX5 Datasheet - Page 5

• Manufacturer Part Number: RT9263CGX5
• Description: High Efficiency, Low Supply Current, Step-Up DC/DC Converter
• Manufacturer: RICHTEK [Richtek Technology Corporation]

Absolute Maximum Ratings
Electrical Characteristics
(V
* Note: The EN pin shall be tied to VDD pin and inhibit to act the ON/OFF state whenever the VDD pin voltage may reach to 5.5V
DS9263-09 March 2007
Temperature Stability for FB, LFB, LBI T
Start-UP Voltage
Operating VDD Range
No Load Current I (V
Switch-off Current I (V
Shutdown Current I (V
Feedback Reference Voltage
Switching Rate
Maximum Duty
LX ON Resistance
Current Limit Setting
EXT ON Resistance to V
EXT ON Resistance to GND
Line Regulation
Load Regulation
EN Pin Trip Level
Thermal Shutdown
Thermal Shutdown Hysterises
Supply Voltage -----------------------------------------------------------------------------------------------------
LX Pin Switch Voltage --------------------------------------------------------------------------------------------
Other I/O Pin Voltages -------------------------------------------------------------------------------------------
LX Pin Switch Current -------------------------------------------------------------------------------------------- 2.5A
EXT Pin Driver Current -------------------------------------------------------------------------------------------- 30mA
Power Dissipation, P
SOT89-5 ------------------------------------------------------------------------------------------------------------- 0.5W
Package Thermal Resistance
SOT89-5, θ
Operating Junction Temperature ------------------------------------------------------------------------------- 150°C
Storage Temperature Range ------------------------------------------------------------------------------------
IN
= 1.5V, VDD set to 3.3V, Load Current = 0, T
or above.
JA ----------------------------------------------------------------------------------------------------------------------------------------------------
Parameter
D
IN
DD
IN
@ T
)
)
)
DD
A
= 25°C
V
V
I
I
I
V
F
D
I
ΔV
ΔV
T
ΔT
NO LOAD
SWITCH OFF
OFF
LIM
S
S
SD
ST
DD
REF
MAX
Symbol
SD
LINE
LOAD
A
= 25°C, unless otherwise specified)
Preliminary
I
Start-up to I
V
V
EN Pin = 0V, V
Close Loop, V
V
Guaranteed by Design
Guaranteed by Design
Guaranteed by Design
V
V
V
V
V
V
V
V
L
IN
IN
DD
DD
DD
DD
DD
DD
IN
DD
IN
= 1mA
= 1.5V, V
= 6V
= 2.5V, I
= 1.5 ~ 2.5V, I
= 3.3V
= 3.3V
= 3.3V
= 3.3V
= 3.3V
= 3.3V
= 3.3V
Test Conditions
DD1
L
OUT
= 1 ~ 100mA
DD
IN
> 250μA
= 4.5V
= 3.3V
= 3.3V
L
= 1mA
1.225
Min
0.8
0.2
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
0.98
1.25
0.25
0.25
Typ
550
165
−
−
−
300°C/W
−
0.1
0.8
47
17
92
40
30
10
50
10
--
2
0.3V to 7V
0.3V to (V
0.3V to (V
65°C to +150°C
RT9263
1.275
www.richtek.com
Max
1.05
6.5
1.4
--
--
--
--
--
--
--
--
--
--
--
--
--
1
DD
DD
*
+ 0.8V)
+ 0.3V)
mV/mA
ppm/°C
Units
mV/V
kHz
μA
μA
μA
°C
°C
%
Ω
Ω
Ω
V
V
V
A
V
5