AAT1407 Advanced Analogic Technologies, Inc., AAT1407 Datasheet - Page 5
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AAT1407
Manufacturer Part Number
AAT1407
Description
6 Channel Led Backlight Driver With Integrated Boost And High Frequency Direct Pwm Dimming
Manufacturer
Advanced Analogic Technologies, Inc.
Datasheet
1.AAT1407.pdf
(16 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
AAT1407IMK-T1
Manufacturer:
SKYWORKS/思佳讯
Quantity:
20 000
2. Output voltage must result in a voltage lower than the LX maximum rating under all operating conditions.
Electrical Characteristics
V
otherwise noted. Typical values are at T
1. The AAT1407 is guaranteed to meet performance specifications over the -40°C to +85°C operating temperature range and is assured by design, characterization, and correla-
1407.2010.06.1.0
SwitchReg
Power Supply, Current Sinks
Logic Level Inputs: EN Pin
Logic Level Inputs: SYNC, PWM, FSET Pins
T
Thermal Protection
IN
Symbol
I
I
F
tion with statistical process controls.
CSx-Matching
R
PWM(ON/OFF)
CSx
PWM(MAX)
T
= 12V; C
DS(ON)LO
V
V
V
T
I
F
F
D
I
V
T
F
V
V
V
V
I
I
V
T
J(HYS)
I
LIMIT
EN(H)
I
LEAK
SYNC
SYNC
EN(L)
J(SD)
UVLO
I
/I
CSx
OSC
LEN
OVP
MAX
MIN
SD
SS
(H)
(H)
LK
IN
CC
CX
Q
RSET
TM
Description
Input Voltage Range
Under Voltage Threshold
V
Current Sink Voltage
IN Quiescient Current (no switching)
IN Pin Shutdown Current
Current Sink Accuracy
Current Matching Between Any Sink Channel
Over-Voltage Threshold
Over-Voltage Hysteresis
Low Side Switch On Resistance
Maximum Duty Cycle
Minimum On-Time
Current Set Ratio
Low Side Switch Current Limit
LX Pin Leakage
CSx Pin Leakage
Oscillator Frequency
Sync Frequency
Sync Duty Cycle Range
Maximum Direct PWM Frequency
Soft-Start Time
Threshold Low
Threshold High
Input Leakage Enable Pin
Threshold Low
Threshold High
Input Leakage
PWM Turn On/Off Delay
T
T
IN
J
J
CC
Thermal Shutdown Threshold
Thermal Shutdown Hysteresis
= 4.7μF, C
6 Channel LED Backlight Driver with Integrated Boost and High Frequency Direct PWM Dimming
Output Voltage
OUT
= 2.2μF; C
VCC
1
A
= 25
= 2.2μF; L
w w w . a n a l o g i c t e c h . c o m
o
C.
1
Conditions
V
V
V
Hysteresis
V
EN = Logic High, I
EN = Logic High, I
(R
I
CS1-CS6 = Open, EN = Logic Low,
does not include LX leakage current
I
I
V
V
V
I
EN = Logic Low; V
EN = Logic Low; CSx = 30V
FSET = Logic Low; V
V
FSET = Logic High; V
V
F
V
V
V
PWM transition to 95%/5% I
CSx
CSx
CSx
CSx
OSC
IN
CC
IN
IN
OUT
OUT
CC
IN
IN
OUT
EN
SYNC
= 10μH; R
SET
/I
= V
Rising
Falling
= V
= V
= Open
= 4.5V
= 5V, V
= 0% , V
= 21mA
= 21mA
± 20%
Rising
Falling
= 35V, C
RSET
= 7.5kΩ)
= V
CC
CC
CC
, V
PWM
= 4.5 to 5.5V
= 4.5 to 5.5V
RSET
IN
= V
CSx
COMP
= 5V
SET
= 0.6V
= 0.5V, EN = Logic High
FSET
=7.5kΩ (I
= 18nF, R
CC(OUT)
CSx
LX
= 5V
= 40V
IN
IN
= 21mA
= 5.0 to 26.0V;
= 5.0 to 26.0V;
= 0mA
COMP
CSx
RSET
= 10kΩ
= 21mA); T
PRODUCT DATASHEET
1100
Min
550
4.5
5.0
3.2
4.0
1.1
3.0
2.5
1.4
90
10
-5
-3
-1
AAT1407
A
= -40
±20%
1300
Typ
500
100
200
100
262
675
140
F
4.5
0.5
1.5
1.2
±2
±2
50
15
OSC
1
1
o
C to 85
Max
1500
26.0
40.0
800
100
5.5
4.3
1.3
6.5
0.4
0.4
+5
+3
90
10
6
1
3
1
o
C unless
Units
mΩ
A/A
kHz
kHz
kHz
kHz
mV
mA
mV
ms
μA
μA
μA
μA
μA
ns
μs
°C
°C
%
%
%
%
V
V
V
V
V
V
A
V
V
V
V
5