RT9266BPE RICHTEK [Richtek Technology Corporation], RT9266BPE Datasheet - Page 4

• Manufacturer Part Number: RT9266BPE
• Description: Tiny Package, High Efficiency, Step-Up DC/DC Converter
• Manufacturer: RICHTEK [Richtek Technology Corporation]

RT9266B
Absolute Maximum Ratings
Electrical Characteristics
(V
www.richtek.com
4
Start-UP Voltage
Operating VDD Range
No Load Current I (V
Switch-off Current I (V
Shutdown Current I (V
Feedback Reference Voltage
Switching Frequency
Maximum Duty
LX ON Resistance
Current Limit Setting
Current Limit Delay Time
EXT ON Resistance to V
EXT ON Resistance to GND
Line Regulation (refer to V
Load Regulation (refer to V
EN Pin Trip Level
Temperature Stability for Vout
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 -------------------------------------------------------------------------------------------- 200mA
Package Thermal Resistance
SOT-23-6, θ
Operating Junction Temperature ------------------------------------------------------------------------------- 125°C
Storage Temperature Range ------------------------------------------------------------------------------------
IN
= 1.5V, V
Parameter
DD
JC
set to 3.3V, Load Current = 0, T
------------------------------------------------------------------------------------------------------ 145°C/W
IN
DD
IN
)
)
)
DD
FB
FB
)
)
V
V
I
I
I
V
F
D
I
ΔV
ΔV
T
T
ΔT
NO LOAD
SWITCH OFF
OFF
LIMIT
S
S
SD
ST
DD
REF
MAX
SD
Symbol
LINE
LOAD
A
= 25°C, unless otherwise specified)
I
VDD pin voltage
V
V
EN Pin = 0V, V
Close Loop, V
V
V
V
V
V
V
V
V
L
V
V
IN
IN
DD
DD
DD
DD
DD
DD
DD
DD
= 1mA
IN
IN
= 6V
= 1.5V, V
= 3.3V
= 1.5 ~ 2.5V, I
= 3.3V
= 3.3V
= 3.3V
= 3.3V
= 3.3V
= 3.3V
= 3.3V
= 2.5V, I
Test Conditions
OUT
L
DD
IN
= 1 ~ 100mA
= 4.5V
= 3.3V
= 3.3V
L
= 50mA
1.225
Min
0.4
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2
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DS9266B-09 March 2007
0.98
0.01
1.25
0.35
0.25
Typ
150
550
300
165
0.5
0.8
25
95
12
50
10
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5
5
−
−
−
−
0.3V to 7V
0.3V to 6.5V
0.3V to (V
65°C to +150°C
1.275
Max
1.05
6.5
1.2
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1
DD
ppm/ °C
mV/mA
+ 0.3V)
Units
mV/V
kHz
μA
μA
μA
ns
°C
°C
%
Ω
Ω
Ω
V
V
V
A
V