RT9261-15GB RICHTEK [Richtek Technology Corporation], RT9261-15GB Datasheet - Page 8

• Manufacturer Part Number: RT9261-15GB
• Description: VFM Step-Up DC/DC Converter
• Manufacturer: RICHTEK [Richtek Technology Corporation]

RT9261/A
Electrical Characteristics
www.richtek.com
8
Notes:
(1)Unless otherwise provided, V
Application
(2)Unless otherwise provided, V
Output Voltage Accuracy
Input Voltage
Start-up Voltage
Efficiency
Input Current 1
Input Current 2
EN “H” Level
EN “ L” Level
EN “ H” Input Current
EN “ L“ Input Current
Maximum Oscillator Frequency
Oscillator Duty Cycle
V
EXT “H” Output
Current
EXT “L” Output
Current
LX
Voltage Limit
Parameter
V
3.5V < V
V
3.5V < V
V
3.5V < V
V
3.5V < V
V
3.5V < V
OUT
OUT
OUT
OUT
OUT
≤ 3.5V
≤ 3.5V
≤ 3.5V
≤ 3.5V
≤ 3.5V
OUT
OUT
OUT
OUT
OUT
IN
IN
= 1.8V, V
= 3V, V
(1)
≤ 5V
(1)
≤ 5V
(1)
≤ 5V
(1)
≤ 5V
(1)
≤ 5V
(Refer to Figure 4)
SS
(2)
(2)
(2)
(2)
(2)
SS
= 0V, I
= 0V, I
Symbol
ΔV
V
V
F
D
MAX
IN
ST
OSC
OUT
OUT
OUT
Preliminary
= 10mA, T
= 10mA, T
I
V
V
To be measured at V
load
To be measured at V
switch off condition
V
V
EN = V
EN = 0V
On (V
LX switch on
OUT
EXT
EXT
IN
IN
= V
= V
Test Conditions
= 1mA, V
= V
= 0.4V
LX
OPT
OUT
OUT
OUT
OPT
” L” ) side
OUT
= 25°C, and use External Circuit of Typical
× 0.9
× 0.9
– 0.4V
IN
: 0 → 2V
IN
OUT
at no
in
0.4× V
0.65
Min
-1.5
-0.5
1.5
80
65
-2
-2
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2
OUT
DS9261/A-12 March 2007
0.85
Typ
120
0.8
75
85
30
60
75
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6
Max Units
160
1.0
0.2
0.5
1.0
+2
50
90
10
85
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7
kHz
mA
mA
μA
μA
μA
μA
%
%
%
V
V
V
V
V