AAT3112_07 ANALOGICTECH [Advanced Analogic Technologies], AAT3112_07 Datasheet - Page 4

• Manufacturer Part Number: AAT3112_07
• Description: 500mA High Efficiency Charge Pump for White LED Flash Applications
• Manufacturer: ANALOGICTECH [Advanced Analogic Technologies]

Electrical Characteristics
V
Typical values are T
1. The AAT3112 is guaranteed to meet performance specifications over the -40°C to +85°C operating temperature range and is assured
2. V
4
AAT3112-4.5
Input Power Supply
Charge Pump Section
EN
AAT3112-5.0
Input Power Supply
Charge Pump Section
EN
IN
by design, characterization, and correlation with statistical process controls.
Symbol
OUT1
= 3.3V, V
V
V
V
V
I
V
I
V
F
F
I
I
SHDN
SHDN
η
η
V
EN(H)
I
V
EN(H)
I
OUT
EN(L)
OUT
EN(L)
I
OUT
CLK
I
OUT
CLK
EN
EN
CP
CP
Q
Q
IN
IN
and V
OUT2
OUT
Description
Operation Range
Quiescent Current
Shutdown Current
Pulsed Output Current
Output Voltage
Clock Frequency
Charge Pump Efficiency
Enable Threshold Low
Enable Threshold High
EN Input Leakage
Operation Range
Quiescent Current
Shutdown Current
Pulsed Output Current
Output Voltage
Clock Frequency
Charge Pump Efficiency
Enable Threshold Low
Enable Threshold High
EN Input Leakage
are pulled high to prevent switching.
= 5.0V, C
A
= 25°C.
IN
= C
2
2
OUT
= 10μF, C
1
Conditions
2.7 ≤ V
EN1 = EN2 = 0
V
V
2.7 ≤ V
3.0 ≤ V
V
2.7 ≤ V
EN1 = EN2 = 0
V
V
2.7 ≤ V
3.0 ≤ V
V
IN
IN
IN
IN
IN
IN
= 3.6V; V
= 3.6V; V
= 2.7V; I
= 3.6V; V
= 3.6V; V
= 2.7V; I
IN
IN
IN
IN
IN
IN
1
≤ 4.5, I
≤ 4.5, I
≤ 4.5, I
≤ 5.0, I
≤ 5.0, I
≤ 5.0, I
= C
OUT
OUT
OUT
OUT
OUT
OUT
2
500mA High Efficiency Charge Pump
= 1.0μF; T
= 100mA
= 100mA
OUT
OUT
OUT
OUT
OUT
OUT
= 4.0V; T
= 4.0V; T
= 4.5V; T
= 4.5V; T
= 0mA; EN1 = EN2 = V
= 100mA
= 200mA
= 0mA; EN1 = EN2 = V
= 100mA
= 200mA
for White LED Flash Applications
PULSE
PULSE
PULSE
PULSE
A
= -40°C to +85°C, unless otherwise noted.
= 50ms
= 500ms
= 50ms
= 500ms
IN
IN
Min
4.32
4.32
-1.0
-1.0
2.7
1.4
2.7
4.8
4.8
1.4
Typ Max Units
590
500
750
600
500
750
4.5
4.5
5.0
5.0
26
80
26
85
4.68
4.68
3112.2007.01.1.5
4.5
1.0
0.3
1.0
5.0
1.0
5.2
5.2
0.3
1.0
60
60
kHz
kHz
mA
mA
μA
μA
μA
μA
μA
μA
%
%
V
V
V
V
V
V
V
V