PROPRIETARY INFORMATION PRODUCT DATASHEET
AAT1271A
SwitchReg
TM
Pin Configuration
TDFN33-14
(Top View)
1.5A Step-Up Current Regulator for Flash LEDs
CT
EN/SET
FLEN
AGND
IN
SW
PGND
1
2
3
4
5
6
7
14
13
12
EP
11
10
9
8
RSET
FLOUTA
FLGND
FLOUTB
FLINH
GND
OUT
Absolute Maximum Ratings
1
(T
A
= 25°C unless otherwise noted.)
Symbol
IN, SW, OUT
RSET, EN/SET, FLEN, FLINH, CT,
FLOUTA, FLOUTB
T
J
T
s
T
LEAD
Description
Maximum Rating
Maximum Rating
Operating Temperature Range
Storage Temperature Range
Maximum Soldering Temperature (at leads, 10 sec)
Value
-0.3 to 6.0
V
IN
+ 0.3
-40 to 150
-65 to 150
300
Units
V
V
°C
°C
°C
Recommended Operating Conditions
Symbol
θ
JA
P
D
Description
Thermal Resistance
Maximum Power Dissipation
Value
50
2
Units
°C/W
W
1. Stresses above those listed in Absolute Maximum Ratings may cause permanent damage to the device. Functional operation at conditions other than the operating conditions
specified is not implied. Only one Absolute Maximum Rating should be applied at any one time. The AAT1271A is guaranteed to meet performance specifications over the -40°C
to +85°C operating temperature range and is assured by design, characterization, and correlation with statistical process controls.
1271A.2008.07.1.0
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