lt3468es5-trpbf Linear Technology Corporation, lt3468es5-trpbf Datasheet - Page 2

• Manufacturer Part Number: lt3468es5-trpbf
• Description: Lt3468-1 - Photoflash Capacitor Chargers In Thinsot?
• Manufacturer: Linear Technology Corporation

ABSOLUTE AXI U RATI GS
LT3468/LT3468-1/LT3468-2
(Note 1)
V
SW Voltage ................................................ –0.4V to 50V
CHARGE Voltage ...................................................... 10V
DONE Voltage .......................................................... 10V
Current into DONE Pin .......................................... ±1mA
Maximum Junction Temperature .......................... 125°C
Operating Temperature Range (Note 2) ...–40°C to 85°C
Storage Temperature Range ..................–65°C to 150°C
Lead Temperature (Soldering, 10 sec).................. 300°C
temperature range, otherwise specifications are at T
are for the LT3468, LT3468-1 and LT3468-2 unless otherwise noted.
PARAMETER
Quiescent Current
Input Voltage Range
Switch Current Limit
Switch V
V
V
DCM Comparator Trip Voltage
CHARGE Pin Current
Switch Leakage Current
CHARGE Input Voltage High
CHARGE Input Voltage Low
Minimum Charge Pin Low Time
DONE Output Signal High
DONE Output Signal Low
DONE Leakage Current
Note 1: Absolute Maximum Ratings are those values beyond which the life
of a device may be impaired.
Note 2: The LT3468E/LT3468E-1/LT3468E-2 are guaranteed to meet
performance specifications from 0°C to 70°C. Specifications over the
2
ELECTRICAL CHARACTERISTICS
OUT
OUT
IN
Voltage .............................................................. 16V
Comparator Trip Voltage
Comparator Overdrive
CESAT
W
W W
U
A
= 25°C. V
CONDITIONS
Not Switching
V
LT3468 (Note 3)
LT3468-2
LT3468-1
LT3468, I
LT3468-2, I
LT3468-1, I
Measured as V
300ns Pulse Width
Measured as V
V
V
V
High→Low→High
100kΩ from V
33µA into DONE Pin
V
CHARGE
CHARGE
CHARGE
IN
DONE
The
= V
= 3V, DONE NPN Off
SW
●
IN
= 0V
= 3V
= 0V
SW
= 5V, in Shutdown
denotes the specifications which apply over the full operating
SW
SW
= 3V, V
= 1A
IN
SW
SW
= 650mA
= 400mA
PACKAGE/ORDER I FOR ATIO
Consult LTC Marketing for parts specified with wider operating temperature ranges.
–40°C to 85°C operating temperature range are assured by design,
characterization and correlation with statistical process.
Note 3: Specifications are for static test. Current limit in actual application
will be slightly higher.
to DONE
– V
– V
DONE 3
CHARGE
GND 2
IN
IN
SW 1
θ
5-LEAD PLASTIC TSOT-23
JA
= 150°C ON BOARD OVER
= V
GROUND PLANE
S5 PACKAGE
T
θ
TOP VIEW
JMAX
JC
IN
= 90°C/W
= 125°C
unless otherwise noted. (Note 2) Specifications
5 VIN
4 CHARGE
●
●
●
●
●
●
0.77
0.45
MIN
2.5
1.1
31
10
1
U
0.87
0.55
31.5
0.01
TYP
330
210
150
200
100
ORDER PART
LT3468ES5
LT3468ES5-1
LT3468ES5-2
1.2
36
15
20
20
5
0
0
3
MARKING
NUMBER
S5 PART
LTAEC
LTAGQ
LTBCH
W
MAX
0.97
0.65
430
280
200
400
200
100
1.3
0.1
0.3
16
32
80
40
8
1
1
346812fa
UNITS
U
mA
mV
mV
mV
mV
mV
mV
µA
µA
µA
µA
nA
µs
V
A
A
A
V
V
V
V