LT3485EDD-2#PBF Linear Technology, LT3485EDD-2#PBF Datasheet - Page 6

IC CHARGER PHOTOFLASH 10-DFN

LT3485EDD-2#PBF

Manufacturer Part Number
LT3485EDD-2#PBF
Description
IC CHARGER PHOTOFLASH 10-DFN
Manufacturer
Linear Technology
Datasheet

Specifications of LT3485EDD-2#PBF

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

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LT3485-0/LT3485-1/
LT3485-2/LT3485-3
curves use the circuit of Figure 9, LT3485-2 use the circuit of Figure 10 and LT3485-3 use the circuit of Figure 11 unless otherwise noted.
10V/DIV
10V/DIV
10V/DIV
6
TYPICAL PERFOR A CE CHARACTERISTICS
1A/DIV
2A/DIV
1A/DIV
V
V
V
I
I
I
SW
PRI
SW
PRI
SW
PRI
LT3485-0 Switching Waveform
V
V
V
V
LT3485-2 Switching Waveform
V
V
LT3485-3 Switching Waveform
IN
OUT
IN
OUT
IN
OUT
= 3.6V
= 3.6V
= 3.6V
= 100V
= 100V
= 300V
1µs/DIV
1µs/DIV
1µs/DIV
W
3485 G19
3485 G22
3485 G25
U
10V/DIV
2A/DIV
10V/DIV
10V/DIV
1A/DIV
1A/DIV
V
I
SW
PRI
V
V
I
I
PRI
PRI
SW
SW
V
V
LT3485-3 Switching Waveform
IN
OUT
LT3485-1 Switching Waveform
LT3485-0 Switching Waveform
V
V
V
V
IN
OUT
IN
OUT
= 3.6V
= 300V
= 3.6V
= 3.6V
= 300V
= 100V
1µs/DIV
1µs/DIV
1µs/DIV
3485 G26
LT3485-0 curves use the circuit of Figure 8, LT3485-1
3485 G20
3485 G23
10V/DIV
10V/DIV
1A/DIV
1A/DIV
V
10
V
I
I
PRI
9
8
7
6
5
4
3
2
1
0
SW
PRI
SW
LT3485-0/LT3485-1/LT3485-2/
LT3485-3 Switch Breakdown
Voltage
0
SW PIN IS RESISTIVE UNTIL BREAKDOWN
VOLTAGE DUE TO INTEGRATED
RESISTORS. THIS DOES NOT INCREASE
QUIESCENT CURRENT OF PART
LT3485-1 Switching Waveform
LT3485-2 Switching Waveform
V
V
V
V
IN
OUT
IN
OUT
10 20 30 40 50 60 70 80 90 100
= 3.6V
= 3.6V
= 300V
= 100V
SWITCH VOLTAGE (V)
T = –40°C
1µs/DIV
1µs/DIV
V
IN
T = 25°C
= V
CHARGE
T = 85°C
34850123fb
= 5V
3485 G27
3485 G24
3485 G21

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