RT9262AGS RICHTEK [Richtek Technology Corporation], RT9262AGS Datasheet - Page 6

• Manufacturer Part Number: RT9262AGS
• Description: High Efficiency, Low Supply Current, Step-up DC/DC Converter
• Manufacturer: RICHTEK [Richtek Technology Corporation]

RT9262/A
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
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6
Start-UP Voltage
Operating VDD Range
No Load Current I (V
Switch-off Current I (VDD)
Shutdown Current I (V
Feedback Reference Voltage
LBI Pin Trip Point
Switching Rate
Maximum Duty
LX ON Resistance
Current Limit Setting
EXT ON Resistance to VDD
EXT ON Resistance to GND
Line Regulation
Load Regulation
LDO PMOS ON Resistance RT9262
LDO Drop Out Voltage
LBO ON Resistance
EN Pin Trip Level
Temperature Stability for FB, LFB, LBI
Thermal Shutdown
Thermal Shutdown Hysterises
Feedback Reference
Voltage for LDO
IN
= 1.5V, VDD set to 3.3V, Load Current = 0, T
reach to 5.5V or above.
Parameter
IN
IN
)
)
RT9262
RT9262A
RT9262
RT9262A
V
V
I
I
I
V
V
F
D
I
ΔV
ΔV
V
T
T
ΔT
NO LOAD
SWITCH OFF
OFF
LIM
Symbol
S
S
SD
ST
DD
REF
REF
DROP
MAX
A
SD
LINE
LOAD
= 25°C, unless otherwise specified)
Preliminary
V
I
Start-up to I
V
V
EN Pin = 0V, V
Close Loop, V
Close Loop, V
V
V
Guaranteed by Design
Guaranteed by Design
Guaranteed by Design
V
V
V
V
V
V
V
V
V
V
L
IN
IN
IN
DD
DD
IN
DD
DD
DD
DD
DD
DD
DD
DD
DD
= 1mA
= 2.5V, I
= 1.5V, V
= 6V
= 1.5 to 2.5V, I
= 3.3V
= 3.3V
Test Conditions
= 3.3V, I
= 3.3V
= 3.3V
= 3.3V
= 3.3V
= 3.3V
= 3.3V
= 3.3V
= 3.3V
DD1
L
OUT
= 1 to 100mA
DD
DD
IN
L
> 250μA
= 100mA
= 4.5V
= 3.3V
= 3.3V
= 3.3V
L
= 1mA
1.225
0.843
0.843
Min
0.8
0.2
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DS9262/A-11 March 2007
0.98
1.25
0.86
0.86
0.25
0.25
Typ
550
165
0.1
0.8
47
17
92
40
30
10
70
40
50
10
--
2
1
1.275
0.877
0.877
Max
1.05
6.5
1.4
1.5
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1
*
ppm/°C
mV/mA
Units
mV/V
kHz
mV
μA
μA
μA
°C
°C
%
Ω
Ω
Ω
Ω
Ω
V
V
V
V
V
A
V