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AAT3112 датащи(PDF) 4 Page - Advanced Analogic Technologies

номер детали AAT3112
подробное описание детали  500mA High Efficiency Charge Pump for White LED Flash Applications
PDF  16 Pages
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производитель  ANALOGICTECH [Advanced Analogic Technologies]
домашняя страница  http://www.analogictech.com
Logo ANALOGICTECH - Advanced Analogic Technologies

AAT3112 датащи(HTML) 4 Page - Advanced Analogic Technologies

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Electrical Characteristics
V
IN = 3.3V, VOUT = 5.0V, CIN = COUT = 10 µF, C1 = C2 = 1.0µF; TA = -40°C to 85°C, unless otherwise noted.
Typical values are T
A = 25°C.
Notes:
1. The AAT3112 is guaranteed to meet performance specifications over the -40°C to +85°C operating temperature range and is assured
by design, characterization, and correlation with statistical process controls.
2. V
OUT1 and VOUT2 are pulled high to prevent switching.
Symbol
Description
Conditions
Min
Typ
Max Units
AAT3112-4.5
Input Power Supply
V
IN
Operation Range
2.7
4.5
V
I
Q
Quiescent Current
2
2.7
≤ V
IN ≤ 4.5, IOUT = 0 mA; EN1 = EN2 = VIN
26
60
µA
I
SHDN
Shutdown Current
EN1 = EN2 = 0
1.0
µA
I
OUT
Pulsed Output Current
V
IN = 3.6V; VOUT = 4.0V; TPULSE = 50mS
590
mA
V
IN = 3.6V; VOUT =4.0V; TPULSE = 500mS
500
V
OUT
Output Voltage
2.7
≤ V
IN ≤ 4.5, IOUT = 100mA
4.32
4.5
4.68
V
3.0
≤ V
IN ≤ 4.5, IOUT = 200mA
4.32
4.5
4.68
Charge Pump Section
F
CLK
Clock Frequency
750
KHz
η
CP
Charge Pump Efficiency
V
IN = 2.7V; IOUT = 100mA
80
%
EN
V
EN(L)
Enable Threshold Low
0.3
V
V
EN(H)
Enable Threshold High
1.4
V
I
EN
EN Input Leakage
-1.0
1.0
µA
AAT3112-5.0
Input Power Supply
V
IN
Operation Range
2.7
5.0
V
I
Q
Quiescent Current
2
2.7
≤ V
IN ≤ 5.0, IOUT = 0 mA; EN1 = EN2 = VIN
26
60
µA
I
SHDN
Shutdown Current
EN1 = EN2 = 0
1.0
µA
I
OUT
Pulsed Output Current
V
IN = 3.6V; VOUT = 4.5V; TPULSE = 50mS
600
mA
V
IN = 3.6V; VOUT =4.5V; TPULSE = 500mS
500
V
OUT
Output Voltage
2.7
≤ V
IN ≤ 5.0, IOUT = 100mA
4.8
5.0
5.2
V
3.0
≤ V
IN ≤ 5.0, IOUT = 200mA
4.8
5.0
5.2
Charge Pump Section
F
CLK
Clock Frequency
750
KHz
η
CP
Charge Pump Efficiency
V
IN = 2.7V; IOUT = 100mA
85
%
EN
V
EN(L)
Enable Threshold Low
0.3
V
V
EN(H)
Enable Threshold High
1.4
V
I
EN
EN Input Leakage
-1.0
1.0
µA
AAT3112
500mA High Efficiency Charge Pump
for White LED Flash Applications
4
3112.2004.12.1.2



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