LT3485EDD-3#TRPBF Linear Technology, LT3485EDD-3#TRPBF Datasheet - Page 2

• Manufacturer Part Number: LT3485EDD-3#TRPBF
• Description: IC CHARGER PHOTOFLASH 10-DFN
• Manufacturer: Linear Technology

Specifications of LT3485EDD-3#TRPBF

• Applications: Photoflash Capacitor Charger, Xenon
• Current - Supply: 5mA
• Voltage - Supply: 1.7 V ~ 10 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 10-DFN
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

ABSOLUTE AXI U RATI GS
(Note 1)
LT3485-0/LT3485-1/
LT3485-2/LT3485-3
V
V
SW Voltage ................................................... –1V to 50V
SW Pin Negative Current ...................................... –0.5A
CHARGE Voltage ...................................................... 10V
IGBTIN Voltage ........................................................ 10V
IGBTOUT Voltage ..................................................... 10V
DONE Voltage .......................................................... 10V
IGBTPWR Voltage .................................................... 10V
V
Current into DONE Pin ............................... 0.2mA/–1mA
Maximum Junction Temperature .......................... 125°C
Operating Temperature Range (Note 2) ... –40°C to 85°C
Storage Temperature Range .................. –65°C to 125°C
ELECTRICAL CHARACTERISTICS
PARAMETER
Quiescent Current
V
V
Switch Current Limit
Switch V
V
V
DCM Comparator Trip Voltage
CHARGE Pin Current
2
temperature range, otherwise specifications are at T
IN
BAT
OUT
OUT
IN
BAT
MONT
Voltage Range
Voltage .............................................................. 10V
Voltage Range
Comparator Trip Voltage
Comparator Overdrive
Voltage ............................................................ 10V
CESAT
Voltage ......................................................... 10V
W
W W
U
A
CONDITIONS
Not Switching
V
LT3485-3
LT3485-0
LT3485-2
LT3485-1
LT3485-3, I
LT3485-0, I
LT3485-2, I
LT3485-1, I
Measured as V
300ns Pulse Width
Measured as V
V
V
CHARGE
CHARGE
CHARGE
= 25°C. V
The
= 3V
= 0V
= 0V
SW
SW
SW
SW
●
IN
denotes the specifications which apply over the full operating
SW
SW
= 1.5A
= 1A
= 700mA
= 400mA
= V
– V
– V
PACKAGE/ORDER I FOR ATIO
BAT
Consult LTC Marketing for parts specified with wider operating temperature ranges.
Order Options Tape and Reel: Add #TR
Lead Free: Add #PBF Lead Free Tape and Reel: Add #TRPBF
Lead Free Part Marking:
IN
IN
ORDER PART NUMBER
= V
CHARGE
LT3485EDD-0
LT3485EDD-1
LT3485EDD-2
LT3485EDD-3
EXPOSED PAD (11) IS GND, MUST BE SOLDERED TO PCB
= 3V, unless otherwise noted.
CHARGE
V
10-LEAD (3mm 3mm) PLASTIC DFN
BAT
SW
SW
V
IN
http://www.linear.com/leadfree/
T
1
2
3
4
5
JMAX
DD PACKAGE
= 125°C θ
●
●
●
●
TOP VIEW
11
0.75
0.45
MIN
2.5
1.7
1.6
1.1
31
10
JA
= 43°C/W
U
DD PART MARKING
10
9
8
7
6
V
DONE
IGBTPWR
IGBTIN
IGBTOUT
0.85
0.55
31.5
TYP
310
210
170
100
200
1.7
1.2
45
65
MONT
5
0
0
LBRH
LBVN
LBVP
LBTK
W
MAX
0.95
0.65
400
300
225
175
400
120
100
1.8
1.3
0.1
10
10
32
8
1
34850123fb
UNITS
U
mA
mV
mV
mV
mV
mV
mV
µA
µA
µA
V
V
A
A
A
A
V