PRODUCT DATASHEET
AAT3193
ChargePump
TM
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
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
1.4
EN/SET = IN = 5V
-1
0.4
1
500
500
75
50
75
1.4
EN/PWM = IN = 5V
-1
2
0.15
Duty Cycle = 80%
1
50
0.4
1
Min
18
0.72
Typ
20
±3
0.9
125
Max
22
1.1
Units
mA
%
mA
mV
V
V
μA
μs
μs
μs
ns
μs
V
V
μA
μs
ms
kHz
AAT3193-3: LED Current Sink Outputs
I
D_(MAX)
D1 - D3 Current Accuracy
ΔI
D_(MAX)
D1 - D3 Current Matching
I
D_(DATA4)
D1 - D3 Current Accuracy
D1- D3 Charge Pump Mode Transition
V
D_(TH)
Threshold
AAT3193-1/-2/-3: EN/SET and S
2
Cwire Control
EN Input High Threshold Voltage
V
ENH
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
EN/PWM Input High Threshold Voltage
EN/PWM Input Low Threshold Voltage
V
ENL
I
EN(LKG)
EN/PWM Input Leakage Current
t
PWM(ON)
PWM Control Turn-on Delay
t
EN/PWM
EN/PWM Input OFF Timeout
f
PWM
PWM Control Frequency
0.3
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
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