AAT3194 데이터 시트보기 (PDF) - Advanced Analogic Technologies
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AAT3194
Advanced Analogic Technologies
AAT3194 Datasheet PDF : 12 Pages
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PRODUCT DATASHEET
AAT3194
ChargePumpTM High Efficiency 1.5X Fractional Charge Pump For White LED Applications
Electrical Characteristics
VIN = 3.5V, TA = -40°C to +85°C, unless otherwise noted. Typical values are at TA = 25°C.
Symbol Description
Input Power Supply
VIN
ICC
ISHDN
IDX
∆ID/∆VIN
I(D-Match)
Operation Range
Operating Current
Shutdown Current
Output Current
Output Current Line Regulation
Current Matching Between Any
Two Outputs
η
Efficiency
Charge Pump
tSS
FCLK
EN/SET
Soft-Start Time
Clock Frequency
VEN(L)
VEN(H)
tLO
tHI
tOFF
Input
Current
Enable Threshold Low
Enable Threshold High
EN/SET Low Time
Minimum EN/SET Regulation
EN/SET Off Timeout
EN/SET Input Leakage
Conditions
Active, No Load Current
EN = 0V
3.0V ≤ VIN ≤ 5.5V, TA = 25°C, All Outputs Max Current
3.0V ≤ VIN ≤ 5.5V
VD1:Dn = 3.6V, VIN = 3.3V
VIN = 3.5V, IOUT(total) = 40mA
VIN = 2.7V to 5.5V
VIN = 2.7V to 5.5V
VIN = 5.5V
Min Typ Max Units
2.7
3
1
16 20 24
-3
3
0.3
93
400
300
0.5
1.4
0.3
75
50
500
-1
1
V
mA
µA
mA
%/V
%
%
µs
kHz
V
V
µs
ns
µs
µA
4
www.analogictech.com
3194.2008.05.1.1
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