AAT3123ITP-20-T1 View Datasheet(PDF) - Advanced Analogic Technologies
Part Name
Description
MFG CO.
AAT3123ITP-20-T1
Advanced Analogic Technologies
'AAT3123ITP-20-T1' PDF : 19 Pages View PDF
PRODUCT DATASHEET
AAT3123/23A/24
ChargePumpTM High Efficiency 1X/1.5X Fractional Charge Pump for White LED Applications
Electrical Characteristics1
CIN = COUT = C1 = C2 = 1.0μF; TA = -40°C to +85°C, unless otherwise noted. Typical values are TA = 25°C, VIN = 3.5V.
Symbol Description
Input Power Supply
VIN
Icc
ISHDN(MAX)
IDX
Operation Range
Operating Current
Shutdown Current
Output Current
I(D-Match) Current Matching Between Any Two Outputs
ηCP
Charge Pump Section Efficiency
Charge Pump Section
TSS
Soft-Start Time
FCLK
EN/SET
Clock Frequency
VEN(L)
VEN(H)
Enable Threshold Low
Enable Threshold High
TEN/SET LO
TEN/SET HI
EN/SET Low Time
Minimum EN/SET High Time
TOFF
Input
Current
EN/SET Off Timeout
EN/SET Input Leakage
Conditions
3.0 ≤ VIN ≤ 5.5, Active, No Load Current
EN = 0
VIN = 3.5V, Code = 32, TA = 25°C
VD1:D4 = 3.6V, VIN = 3.5V
VD5:VD6 = 3.6V, VIN = 3.5V
VIN = 3.5V, IOUT(TOTAL) = 120mA, Measured
from IN to OUT
VIN = 2.7V to 5.5V
VIN = 2.7V to 5.5V
Min
2.7
18
1.4
0.3
-1
Typ Max Units
5.5
V
1.8 3.5 mA
1
μA
20
22
mA
0.5
%
0.5
93
%
200
μs
1000
kHz
0.5
V
V
75
μs
50
ns
500
μs
1
μA
1. The AAT3123/4 is guaranteed to meet performance specifications over the -40°C to +85°C operating temperature range and is assured by design, characterization, and cor-
relation with statistical process controls.
4
www.analogictech.com
3123.2008.03.1.5
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