AAT1235 Analogic Corporation, AAT1235 Datasheet - Page 4

• Manufacturer Part Number: AAT1235
• Manufacturer: Analogic Corporation

Electrical Characteristics
V
1. The AAT1235 is guaranteed to meet performance specifications over the -40°C to +85°C operating temperature range is assured by
4
Power Supply
EN/SET Input
Thermal Protection
IN
design, characterization, and correlation with statistical process controls.
I
I
T
V
Symbol
T
R
= 3.6V; C
DX-Matching
SHDN(MAX)
R
EN/SET LO
OUT(MAX)
EN/SET HI
I
V
V
T
DS(ON)IN
V
DS(ON)N
EN/SET
I
T
T
T
V
T
I
LIMIT
J-HYS
V
I
I
UVLO
I
EN(L)
EN(H)
SET
J-TH
OFF
CC
OX
DX
LAT
SS
OV
IN
IN
= 2.2µF;T
Description
Input Voltage Range
Maximum Output Voltage
UVLO Threshold
Operating Current (No Switching)
IN Pin Shutdown Current
Maximum Continuous Output Current
Current Sink Accuracy
Current Matching Between Any
Sink Channels
Soft-Start Time
OVP Threshold Voltage
OVP Threshold Hysteresis
Low Side Switch On Resistance
Input Disconnect Switch
Current Set Ratio
Input Switch Current Limit
Enable Threshold Low
Enable Threshold High
EN/SET Low Time
EN/SET High Time
EN/SET Off Timeout
EN/SET Latch Timeout
EN/SET Input Leakage
T
T
J
J
Thermal Shutdown Threshold
Thermal Shutdown Hysteresis
A
= -40°C to +85°C, unless otherwise noted. Typical values are at T
1
Conditions
V
Hysteresis
V
B1 = B2 = A1 = A2 = A3 = 1.2V,
2mA Setting, R
EN = GND
V
R
R
A1 = A2 = A3 = B1 = B2 = 0.4V
From Enable to Output
Regulation; V
V
I
I
I
V
OUT
OUT
SINK
IN
IN
O
OUT
EN/SET
SET
SET
= 24V
Rising
Falling
/I
= 100mA
= 100mA
= 22.6kΩ
= 22.6kΩ,
Rising
RSET
High Efficiency White LED Drivers
= V
, V
IN
RSET
FB
= 5V
SET
= 300mV
= 0.6V
= 226kΩ
for Backlight and Keypad
Min
100
2.7
1.8
1.1
1.2
1.4
0.3
18
-1
Typ
150
300
100
200
760
140
1.2
20
80
15
2
A
= 25°C.
Max Units
300
500
500
1235.2007.01.1.0
5.5
2.7
1.0
1.3
0.4
24
22
75
75
5
1
mV
mA
mA
mV
mΩ
mΩ
A/A
µA
µA
µA
°C
°C
µs
µs
µs
µs
µs
%
V
V
V
V
V
A
V
V