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LT3468ES5-2#TRMPBF

Description
Photo Flash Charger 5-Pin TSOT-23 T/R
File Size441KB,12 Pages
ManufacturerADI
Websitehttps://www.analog.com
Download Datasheet Download user manual Parametric Compare View All

LT3468ES5-2#TRMPBF Overview

Photo Flash Charger 5-Pin TSOT-23 T/R

LT3468ES5-2#TRMPBF Parametric

Parameter NameAttribute value
EU restricts the use of certain hazardous substancesCompliant
ECCN (US)EAR99
Part StatusActive
HTS8542.39.00.01
Product CategoryPhoto Flash Charger
Input Voltage (V)2.5 to 16
Minimum Operating Supply Voltage (V)2.5
Maximum Operating Supply Voltage (V)16
Minimum Operating Temperature (°C)-40
Maximum Operating Temperature (°C)85
Supplier Temperature GradeExtended
PackagingTape and Reel
Pin Count5
Standard Package NameSOT
Supplier PackageTSOT-23
MountingSurface Mount
Package Height0.9(Max)
Package Length2.9
Package Width1.75(Max)
PCB changed5
Lead ShapeGull-wing
LT3468/LT3468-1/LT3468-2
Photoflash Capacitor
Chargers in ThinSOT
TM
FEATURES
DESCRIPTIO
Highly Integrated IC Reduces Solution Size
Uses Small Transformers:
5.8mm
×
5.8mm
×
3mm
Fast Photoflash Charge Times:
4.6s for LT3468 (0V to 320V, 100µF, V
IN
= 3.6V)
5.7s for LT3468-2 (0V to 320V, 100µF, V
IN
= 3.6V)
5.5s for LT3468-1 (0V to 320V, 50µF, V
IN
= 3.6V)
Controlled Input Current:
500mA (LT3468)
375mA (LT3468-2)
225mA (LT3468-1)
Supports Operation from Single Li-Ion Cell, or Any
Supply from 2.5V up to 16V
Adjustable Output Voltage
No Output Voltage Divider Needed
Charges Any Size Photoflash Capacitor
Low Profile (<1mm) SOT-23 Package
The LT
®
3468/LT3468-1/LT3468-2 are highly integrated
ICs designed to charge photoflash capacitors in digital and
film cameras. A patented control technique* allows for the
use of extremely small transformers. Each device contains
an on-chip high voltage NPN power switch. Output voltage
detection* is completely contained within the device,
eliminating the need for any discrete zener diodes or
resistors. The output voltage can be adjusted by simply
changing the turns ratio of the transformer. The LT3468
has a primary current limit of 1.4A, the LT3468-2 has a 1A
limit, and the LT3468-1 has a 0.7A limit. These different
current limit levels result in well controlled input currents
of 500mA for the LT3468, 375mA for the LT3468-2 and
225mA for the LT3468-1. Aside from the differing current
limit, the three devices are otherwise equivalent.
The CHARGE pin gives full control of the part to the user.
Driving CHARGE low puts the part in shutdown. The DONE
pin indicates when the part has completed charging. The
LT3468 series of parts are available in tiny low profile
(1mm) SOT-23 packages.
, LTC and LT are registered trademarks of Linear Technology Corporation.
ThinSOT is a trademark of Linear Technology Corporation.
All other trademarks are the property of their respective owners.
*Protected by U.S. Patents, including 6518733.
APPLICATIO S
Digital / Film Camera Flash
PDA / Cell Phone Flash
Emergency Strobe
TYPICAL APPLICATIO
LT3468 Photoflash Charger Uses
High Efficiency 4mm Tall Transformer
DANGER HIGH VOLTAGE – OPERATION BY HIGH VOLTAGE
TRAINED PERSONNEL ONLY
VIN
2.5V TO 8V
4.7µF
2
5
1:10.2
1
4
320V
V
IN
= 3.6V
C
OUT
= 100µF
+
100µF
100k
DONE
CHARGE
V
IN
LT3468
DONE
CHARGE
346812 TA01
V
OUT
50V/DIV
AVERAGE
INPUT
CURRENT
1A/DIV
SW
GND
U
LT3468 Charging Waveform
1s/DIV
3468 G01
U
U
346812fa
1

LT3468ES5-2#TRMPBF Related Products

LT3468ES5-2#TRMPBF LT3468ES5#PBF LT3468ES5#TRMPBF LT3468ES5#TRPBF LT3468ES5-1#PBF LT3468ES5-1#TRMPBF LT3468ES5-1#TRPBF LT3468ES5-2#PBF LT3468ES5-2#TRPBF
Description Photo Flash Charger 5-Pin TSOT-23 T/R Photo Flash Charger 5-Pin TSOT-23 Photo Flash Charger 5-Pin TSOT-23 T/R Photo Flash Charger 5-Pin TSOT-23 T/R Photo Flash Charger 5-Pin TSOT-23 Photo Flash Charger 5-Pin TSOT-23 T/R Photo Flash Charger 5-Pin TSOT-23 T/R Photo Flash Charger 5-Pin TSOT-23 Photo Flash Charger 5-Pin TSOT-23 T/R
EU restricts the use of certain hazardous substances Compliant Compliant Compliant Compliant Compliant Compliant Compliant Compliant Compliant
ECCN (US) EAR99 EAR99 EAR99 EAR99 EAR99 EAR99 EAR99 EAR99 EAR99
Part Status Active Unconfirmed Active Active Unconfirmed Active Active Unconfirmed Active
Product Category Photo Flash Charger Photo Flash Charger Photo Flash Charger Photo Flash Charger Photo Flash Charger Photo Flash Charger Photo Flash Charger Photo Flash Charger Photo Flash Charger
Input Voltage (V) 2.5 to 16 2.5 to 16 2.5 to 16 2.5 to 16 2.5 to 16 2.5 to 16 2.5 to 16 2.5 to 16 2.5 to 16
Minimum Operating Supply Voltage (V) 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5
Maximum Operating Supply Voltage (V) 16 16 16 16 16 16 16 16 16
Minimum Operating Temperature (°C) -40 -40 -40 -40 -40 -40 -40 -40 -40
Maximum Operating Temperature (°C) 85 85 85 85 85 85 85 85 85
Supplier Temperature Grade Extended Extended Extended Extended Extended Extended Extended Extended Extended
Pin Count 5 5 5 5 5 5 5 5 5
Standard Package Name SOT SOT-23 SOT SOT SOT-23 SOT SOT SOT-23 SOT
Supplier Package TSOT-23 TSOT-23 TSOT-23 TSOT-23 TSOT-23 TSOT-23 TSOT-23 TSOT-23 TSOT-23
Mounting Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount
Package Height 0.9(Max) 0.9(Max) 0.9(Max) 0.9(Max) 0.9(Max) 0.9(Max) 0.9(Max) 0.9(Max) 0.9(Max)
Package Length 2.9 2.9 2.9 2.9 2.9 2.9 2.9 2.9 2.9
Package Width 1.75(Max) 1.75(Max) 1.75(Max) 1.75(Max) 1.75(Max) 1.75(Max) 1.75(Max) 1.75(Max) 1.75(Max)
PCB changed 5 5 5 5 5 5 5 5 5
Lead Shape Gull-wing Gull-wing Gull-wing Gull-wing Gull-wing Gull-wing Gull-wing Gull-wing Gull-wing
HTS 8542.39.00.01 - - 8542.39.00.01 - 8542.39.00.01 8542.39.00.01 - 8542.39.00.01
Packaging Tape and Reel - Tape and Reel Tape and Reel - Tape and Reel Tape and Reel - Tape and Reel
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