High Efficiency 1.5X Fractional Charge
Pumps For White LED Applications
Electrical Characteristics
V
IN
= 3.5V, T
A
= -40°C to +85°C, unless otherwise noted. Typical values are at T
A
= 25°C.
Symbol
Description
Conditions
Min Typ Max Units
2.7
Active, No Load Current
EN = 0
AAT3113: 3.0V
≤
V
IN
≤
5.5V
T
A
= 25°C, All
AAT3114/14A: 3.2V
≤
V
IN
≤
5.5V Outputs Max Current
3.0V
≤
V
IN
≤
5.5V
VD1:Dn = 3.6V, V
IN
= 3.3V
V
IN
= 3.5V, I
OUT(total)
= 40mA
1
18
-2
0.3
93
400
600
20
5.5
2
1
22
2
V
mA
µA
mA
%/V
%
%
µs
kHz
V
V
µs
ns
500
1
µs
µA
AAT3113, AAT3114/14A
Input Power Supply
V
IN
Operation Range
I
CC
Operating Current
I
SHDN
Shutdown Current
I
DX
ΔI
D
/ΔV
IN
Output Current
Output Current Line
Regulation
Current Matching
I
(D-Match)
Between Any
Two Outputs
η
Efficiency
Charge Pump
t
SS
Soft-Start Time
F
CLK
Clock Frequency
EN/SET
V
EN(L)
Enable Threshold Low
V
EN(H)
Enable Threshold High
t
LO
EN/SET Low Time
Minimum EN/SET
t
HI
High Time
t
OFF
EN/SET Off Timeout
Input
EN/SET Input Leakage
Current
300
V
IN
= 2.7V to 5.5V
V
IN
= 2.7V to 5.5V
900
0.5
1.4
0.3
50
300
75
V
IN
= 5.5V
-1
4
3113.2006.07.1.9
AAT [ ADVANCED ANALOG TECHNOLOGY, INC. ]
