AAT3112IVN-4.5-T1 データシートの表示（PDF） - Analog Technology Inc
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AAT3112IVN-4.5-T1
Analog Technology Inc
AAT3112IVN-4.5-T1 Datasheet PDF : 16 Pages
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AAT3112
500mA High Efficiency Charge Pump
for White LED Flash Applications
Electrical Characteristics
VIN = 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 TA = 25°C.
Symbol Description
Conditions
Min Typ Max Units
AAT3112-4.5
Input Power Supply
VIN
IQ
ISHDN
IOUT
Operation Range
Quiescent Current 2
Shutdown Current
Pulsed Output Current
VOUT
Output Voltage
Charge Pump Section
2.7
4.5 V
2.7 ≤ VIN ≤ 4.5, IOUT = 0 mA; EN1 = EN2 = VIN
EN1 = EN2 = 0
26 60 µA
1.0 µA
VIN = 3.6V; VOUT = 4.0V; TPULSE = 50mS
VIN = 3.6V; VOUT =4.0V; TPULSE = 500mS
2.7 ≤ VIN ≤ 4.5, IOUT = 100mA
3.0 ≤ VIN ≤ 4.5, IOUT = 200mA
590
mA
500
4.32 4.5 4.68 V
4.32 4.5 4.68
FCLK
ηCP
EN
Clock Frequency
Charge Pump Efficiency VIN = 2.7V; IOUT = 100mA
750
KHz
80
%
VEN(L)
VEN(H)
IEN
AAT3112-5.0
Enable Threshold Low
Enable Threshold High
EN Input Leakage
0.3 V
1.4
V
-1.0
1.0 µA
Input Power Supply
VIN
Operation Range
2.7
5.0 V
IQ
Quiescent Current 2
2.7 ≤ VIN ≤ 5.0, IOUT = 0 mA; EN1 = EN2 = VIN
26 60 µA
ISHDN
Shutdown Current
EN1 = EN2 = 0
1.0 µA
IOUT
Pulsed Output Current
VIN = 3.6V; VOUT = 4.5V; TPULSE = 50mS
VIN = 3.6V; VOUT =4.5V; TPULSE = 500mS
600
mA
500
VOUT
Output Voltage
2.7 ≤ VIN ≤ 5.0, IOUT = 100mA
3.0 ≤ VIN ≤ 5.0, IOUT = 200mA
4.8 5.0 5.2
V
4.8 5.0 5.2
Charge Pump Section
FCLK
ηCP
EN
Clock Frequency
Charge Pump Efficiency VIN = 2.7V; IOUT = 100mA
750
KHz
85
%
VEN(L)
VEN(H)
IEN
Enable Threshold Low
Enable Threshold High
EN Input Leakage
0.3 V
1.4
V
-1.0
1.0 µA
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. VOUT1 and VOUT2 are pulled high to prevent switching.
4
3112.2004.12.1.2
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