rt9263ccx5 Richtek Technology Corporation, rt9263ccx5 Datasheet - Page 5

• Manufacturer Part Number: rt9263ccx5
• Description: High Efficiency Supply Current Step Dc/dc Converter
• Manufacturer: Richtek Technology Corporation

Electrical Characteristics
(V
DS9263-00 November 2001
Start-UP Voltage
Operating VDD Range
No Load Current I (V
Switch-off Current I (VDD)
Shutdown Current I (V
Feedback Reference Voltage
Switching Rate
Maximum Duty
LX ON Resistance
Current Limit Setting
EXT ON Resistance to VDD
EXT ON Resistance to GND
Line Regulation
Load Regulation
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
Parameter
IN
IN
)
)
V
V
I
I
I
V
F
D
I
∆V
∆V
T
T
∆T
NO LOAD
SWITCH OFF
OFF
LIMIT
Symbol
S
S
SD
ST
DD
REF
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
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
V
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
Min
0.8
0.2
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0.98
1.25
0.25
0.25
Typ
550
165
0.1
0.8
50
10
47
17
92
40
30
10
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2
www.richtek-ic.com.tw
RT9263
1.275
Max
1.05
1.4
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6
1
mV/mA
ppm/ °C
Units
mV/V
KHz
µA
µA
µA
°C
°C
%
Ω
Ω
Ω
V
V
V
V
A
5