AAT3193 Datasheet, PDF (5/18 Pages) Advanced Analogic Technologies – 3-Channel Charge-Pump LED Driver

ChargePump^TM
PRODUCT DATASHEET
AAT3193
3-Channel Charge-Pump LED Driver
Electrical Characteristics1
IN = EN = 3.6V; C_IN = 1μF; C_OUT = 1μF; C_CP = 1μF; R_SET = 14.3kΩ; T_A =-40°C to 85°C unless otherwise noted. Typical
values are at T_A = 25°C.
Symbol Description
AAT3193-3: LED Current Sink Outputs
I_{D_(MAX)}
ΔI_{D_(MAX)}
I_{D_(DATA4)}
V_{D_(TH)}
D1 - D3 Current Accuracy
D1 - D3 Current Matching
D1 - D3 Current Accuracy
D1- D3 Charge Pump Mode Transition
Threshold
AAT3193-1/-2/-3: EN/SET and S²Cwire Control
V_ENH
EN Input High Threshold Voltage
V_ENL
EN Input Low Threshold Voltage
I_EN(LKG)
EN Input Leakage Current
t_EN/SET(OFF) EN/SET Input OFF Timeout
t_EN/SET(LAT) EN/SET Input Latch Timeout
t_EN/SET(LOW) EN/SET Input LOW Time
t_ENSET(H-MIN) EN/SET Minimum High Time
t_ENSET(H-MAX) EN/SET Maximum High Time
AAT3193-4: EN/PWM Current Control
V_ENH
V_ENL
I_EN(LKG)
t_PWM(ON)
t_EN/PWM
f_PWM
EN/PWM Input High Threshold Voltage
EN/PWM Input Low Threshold Voltage
EN/PWM Input Leakage Current
PWM Control Turn-on Delay
EN/PWM Input OFF Timeout
PWM Control Frequency
Conditions
R_SET = 11.5kΩ; DATA = 1; V_IN - V_F = 1.5V
R_SET = 11.5kΩ; DATA = 1; V_IN - V_F = 1.5V
R_SET = 11.5kΩ; DATA = 4; V_IN - V_F = 1.5V
R_SET = 11.5kΩ; I_D1 = I_D2 = I_D3 = 20mA
EN/SET = IN = 5V
EN/PWM = IN = 5V
Duty Cycle = 80%
Min Typ Max Units
18 20 22
mA
±3
%
0.72 0.9 1.1 mA
125
mV
1.4
V
0.4
V
-1
1
μA
500
μs
500
μs
0.3
75
μs
50
ns
75
μs
1.4
V
0.4
V
-1
1
μA
2
μs
0.15
1
ms
50
kHz
1. The AAT3193 is guaranteed to meet performance specification over the -40°C to 85°C operating temperature range and is assured by design, characterization and correlation
with statistical process controls.
3193.2008.07.1.3
www.analogictech.com
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