AAT2801IXN-4.5-T1 AnalogicTech, AAT2801IXN-4.5-T1 Datasheet - Page 4

• Manufacturer Part Number: AAT2801IXN-4.5-T1
• Description: Multi-Mode Charge Pump for White LED Backlight and Flash Applications
• Manufacturer: AnalogicTech

Electrical Characteristics
C
1. The AAT2801 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
I
T
IN
EN/SET/EN_FLSH
EN/SET HI MAX
by design, characterization, and correlation with statistical process controls.
T
EN/SET HI MIN
Symbol
I
= C
EN/SET LO
(D-Match)
V
V
I
V
F
T
T
SHDN
I
η
T
V
I
I
OUT
EN(H)
EN(L)
OUT
OFF
CC
DX
CLK
LAT
CP
SS
IN
CP
= C
F
Description
Operation Range
Operating Current
Shutdown Current
Output Current Accuracy
Current Matching
Flash Charge Pump Output
Voltage
Maximum Continuous I
Maximum Pulsed I
White LED Charge Pump
Section Efficiency
Soft-Start Time
Clock Frequency
Enable Threshold Low
Enable Threshold High
EN/SET Low Time
Minimum EN/SET High Time V
Maximum EN/SET High Time V
EN/SET Off Timeout
EN/SET Latch Timeout
Input Leakage
= C1 = C2 = C3 = 1.0µF; T
(D-Match)
3
OUT
= (I
OUT
D
2
1
- I
AVE
)/I
White LED Backlight and Flash Applications
Conditions
3.0 ≤ V
= 5V, EN/SET = GND, EN_FLSH = V
3.0 ≤ V
GND, VD1:VD4 = 2.0V, CP = 1X
3.0 ≤ V
V
EN_FLSH = EN/SET = 0
V
VD1:D4 = 3.6, V
Pump Only
3.0V < V
EN_FLSH = V
V
V
V
Measured from IN to CP
Backlight Charge Pump
Flash Charge Pump
V
V
V
V
A
AVE
EN/SET/EN_FLSH
IN
IN
IN
IN
IN
EN/SET
EN/SET
EN/SET
EN/SET
EN/SET
= -40°C to 85°C, unless otherwise noted.
, EN_FLSH = GND, CP = 1.5X
.
= 3.5, Code = 32, T
= 3.6V; V
= 3.6V; V
= 3.5V, I
IN
IN
IN
< 0.6V
> 1.4V
> 1.4V
< 0.6V
> 1.4V
IN
≤ 5.5, No Load Current; V
≤ 5.5, EN/SET = V
≤ 5.5, No Load Current; EN/SET =
< 5V, I
OUT(TOTAL)
OUT
OUT
IN
= 5V, V
IN
= 4.5V; EN_FLSH = V
= 4.5V; I
OUT
= 3.5V; LED Charge
IN
= 120mA;
= 120mA,
= 5V
A
Multi-Mode Charge Pump for
= 25°C
Pulsed
IN
, EN_FLSH =
< 500mS
OUT_FLSH
IN
IN
Min Typ Max Units
-3.0
120
250
-1.0
2.7
-10
4.3
1.4
0.3
-
-
-
-
-
-
-
0.55
±0.5
200
3.0
4.5
1.0
3.0
93
50
50
2801.2006.04.1.3
500
500
5.5
4.5
5.0
1.0
3.0
4.7
0.4
1.0
10
75
75
-
-
-
MHz
mA
mA
µA
µA
µs
µs
µs
µs
µs
µs
%
%
%
V
V
V
V