AAT3140_07 ANALOGICTECH [Advanced Analogic Technologies], AAT3140_07 Datasheet - Page 4

• Manufacturer Part Number: AAT3140_07
• Description: High Efficiency 1X/1.5X/2X Charge Pump for White LED Applications
• Manufacturer: ANALOGICTECH [Advanced Analogic Technologies]

Electrical Characteristics
C
V
1. The AAT3140 is guaranteed to meet performance specifications over the -40°C to +85°C operating temperature range and is assured
2. Codes 2 through 7 are guaranteed to be within ±15% of stated current level.
3. Current matching is defined as I
4
Input Power Supply
Charge Pump Section
EN/SET
T
IN
T
IN
by design, characterization, and correlation with statistical process controls.
EN/SET HI MAX
T
EN/SET HI MIN
Symbol
I
= 3.5V.
= C
EN/SET LO
(D-Match)
I
V
V
I
EN/SET
F
T
T
SHDN
η
T
V
I
EN(H)
EN(L)
I
OFF
DX
CLK
LAT
cc
CP
SS
IN
CP
= C
1
Description
Operation Range
Operating Current
Shutdown Current
Output Current Accuracy
Current Matching
Charge Pump Section Efficiency
Soft-Start Time
Clock Frequency
Enable Threshold Low
Enable Threshold High
EN/SET Low Time
Minimum EN/SET High Time
Maximum EN/SET High Time
EN/SET Off Timeout
EN/SET Latch Timeout
EN/SET Input Leakage
= C
2
= 1.0µF; T
(D-Match)
3
A
= (I
= -40°C to +85°C, unless otherwise noted. Typical values are T
D
2
1
- I
AVE
)/I
AVE
.
High Efficiency 1X/1.5X/2X Charge Pump
Conditions
VD1:D4 = 2.0V, CP = 1X
No Load Current, CP = 1.5X
V
V
VD1:D4 = 3.6V, V
V
Measured from IN to CP
V
V
V
IN
IN
IN
IN
IN
EN/SET
= 3.5V, I
= 3.5V, EN/SET = 0
= 3.5V, T
= 2.7V
= 5.5V
= 5.5V, V
OUT(TOTAL)
A
= 25°C
for White LED Applications
IN
IN
= 5.5V
= 3.5V
= 120mA,
Min Typ Max Units
2.7
-10
1.4
0.3
-3
-1
±0.5
550
93
50
50
3
1
AAT3140
500
500
3140.2007.03.1.3
5.5
0.4
10
75
75
5
1
3
1
A
= 25°C,
MHz
mA
µA
µA
µA
µs
µs
ns
µs
µs
µs
%
%
%
V
V
V