AAT3142ITP-T1 AnalogicTech, AAT3142ITP-T1 Datasheet - Page 4

• Manufacturer Part Number: AAT3142ITP-T1
• Description: High Efficiency 1X/1.5X/2X Charge Pump for White LED Applications
• Manufacturer: AnalogicTech

1. The AAT3142 is guaranteed to meet performance specifications over the -40°C to +85°C operating temperature range and is assured by design, characterization, and correla-
2. Codes 2 through 7 are guaranteed to be within ±15% of stated current level.
3. Current matching is defined as I
Electrical Characteristics
C
4
ChargePump
Input Power Supply
Charge Pump Section
EN/SET
IN
T
T
tion with statistical process controls.
Symbol
EN/SET HI MAX
EN/SET HI MIN
T
I
= C
(D-Match)
EN/SET LO
I
V
V
I
EN/SET
F
T
T
V
SHDN
η
T
I
I
EN(L)
EN(H)
CLK
OFF
DX
LAT
cc
SS
CP
IN
CP
= C
1
Description
Operation Range
Operating Current
Shutdown Current
Output Current Accuracy
Current Matching
Charge Pump Section Effi ciency
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
TM
2
= 1.0μF; T
(D-Match)
High Efficiency 1X/1.5X/2X Charge Pump for White LED Applications
= (I
3
A
D
- I
= -40°C to +85°C, unless otherwise noted. Typical values are at T
AVE
)/I
2
AVE
.
1
w w w . a n a l o g i c t e c h . c o m
Conditions
VD1:D3 = 2.0V, CP = 1X
No Load Current, CP = 1.5X
V
V
VD1:D3 = 3.6V, V
V
Measured from IN to CP
V
V
V
IN
IN
IN
IN
IN
EN/SET
= 2.7V
= 5.5V
= 3.5V, EN/SET = 0
= 3.5V, T
= 3.5V, I
= 5.5V, V
OUT(TOTAL)
A
= 25°C
IN
IN
= 5.5V
= 3.5V
= 90mA,
PRODUCT DATASHEET
Min
-10
2.7
1.4
0.3
-3
-1
±0.5
Typ
550
AAT3142
93
50
50
3
1
A
= 25°C, V
Max
3142.2009.07.1.3
500
500
5.5
0.4
10
75
75
5
1
3
1
IN
Units
= 3.5V.
MHz
mA
μA
μA
μA
%
%
%
μs
μs
ns
μs
μs
μs
V
V
V