rt9262a ETC-unknow, rt9262a Datasheet - Page 5

• Manufacturer Part Number: rt9262a
• Description: High Efficiency, Supply Current, Step-up Dc/dc Converter
• Manufacturer: ETC-unknow

Electrical Characteristics
(V
* Note: The CE pin shall be tied to VDD pin and inhibit to act the ON/OFF state whenever the VDD pin voltage
DS9262/A-04 August 2002
Start-UP Voltage
Operating VDD Range
No Load Current I (V
Switch-off Current I (VDD)
Shutdown Current I (V
Feedback Reference Voltage
Feedback Reference
Voltage for LDO
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
CE Pin Trip Level
Temperature Stability for FB, LFB, LBI
Thermal Shutdown
Thermal Shutdown Hysterises
IN
= 1.5V, VDD set to 3.3V, Load Current = 0, T
may reach to 5.5V or above.
Parameter
IN
IN
)
)
RT9262
RT9262A
RT9262
RT9262A
V
V
I
I
I
V
V
F
D
I
∆V
∆V
V
T
T
∆T
NO LOAD
SWITCH OFF
OFF
LIMIT
Symbol
S
S
SD
ST
DD
REF
REF
DROP
MAX
SD
LINE
LOAD
A
Preliminary
= 25°C, unless otherwise specified)
I
Start-up to I
V
V
CE Pin = 0V, V
Close Loop, VDD = 3.3V
Close Loop, VDD = 3.3V
VDD = 3.3V
VDD = 3.3V
Guaranteed by Design
Guaranteed by Design
Guaranteed by Design
V
VDD = 3.3V
VDD = 3.3V
VDD = 3.3V
VDD = 3.3V
VDD = 3.3V
VDD = 3.3V, IL = 100mA
VDD = 3.3V
VDD = 3.3V
V
VDD = 3.3V
L
IN
IN
IN
IN
= 1mA
= 1.5V, V
= 6V
= 2.5V, I
= 1.5 ~ 2.5V, I
Test Conditions
DD1
L
OUT
= 1 ~ 100mA
IN
> 250µA
= 4.5V
= 3.3V
L
= 1mA
1.225
0.843
0.843
Min
0.8
0.2
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0.98
1.25
0.86
0.86
0.25
0.25
Typ
165
550
0.1
0.8
47
17
92
40
30
10
70
40
50
10
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2
1
RT9262/A
www.richtek.com
1.275
0.877
0.877
Max
1.05
6.5
1.5
1.4
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1
*
mV/mA
ppm/ °C
Units
mV/V
KHz
mV
µA
µA
µA
°C
°C
%
Ω
Ω
V
V
Ω
Ω
Ω
V
V
V
V
A
5