參數(shù)資料
型號(hào): LT3468ES5-2#PBF
廠商: LINEAR TECHNOLOGY CORP
元件分類: 模擬信號(hào)調(diào)理
英文描述: SPECIALTY ANALOG CIRCUIT, PDSO5
封裝: PLASTIC, SOT-23, MO-193, 5 PIN
文件頁(yè)數(shù): 4/12頁(yè)
文件大小: 591K
代理商: LT3468ES5-2#PBF
LT3468/LT3468-1/LT3468-2
12
346812f
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900 q FAX: (408) 434-0507 q www.linear.com
LINEAR TECHNOLOGY CORPORATION 2004
LT/TP 0304 1K PRINTED IN USA
RELATED PARTS
PART NUMBER
DESCRIPTION
COMMENTS
LTC3407
Dual 600mA (IOUT), 1.5MHz, Synchronous Step-Down DC/DC 96% Efficiency, VIN: 2.5V to 5.5V, VOUT(MIN): 0.6V, IQ: 40A,
Converter
ISD: <1A, MS10E
LT3420/LT3420-1
1.4A/1A, Photoflash Capacitor Chargers with
Charges 220
F to 320V in 3.7 seconds from 5V,
Automatic Top-Off
VIN: 2.2V to 16V, IQ: 90A, ISD: <1A, MS10
LTC3425
5A ISW, 8MHz, Multi-Phase Synchronous Step-Up DC/DC
95% Efficiency, VIN: 0.5V to 4.5V, VOUT(MIN): 5.25V, IQ: 12A,
Converter
ISD: <1A, QFN-32
LTC3440/LTC3441
600mA/1A (IOUT), Synchronous Buck-Boost DC/DC Converter 95% Efficiency, VIN: 2.5V to 5.5V, VOUT(MIN): 2.5V to 5.5V,
IQ: 25A, ISD: <1A, MS-10, DFN-12
TYPICAL APPLICATIO S
U
LT3468 Photoflash Circuit uses Tiny 3mm Tall Transformer
LT3468-1 Photoflash Circuit uses Tiny 3mm Tall Transformer
LT3468
CHARGE
GND
VIN
SW
+
DONE
CHARGE
C1
4.7
F
R1
100k
T1
1:10.4
COUT
PHOTOFLASH
CAPACITOR
VIN
2.5V TO 8V
D2
320V
D1
4
3
1
5, 6
7, 8
4
1
5
2
C1: 4.7
F, X5R OR X7R, 10V
T1: TDK PART# LDT565630T-001, LPRI = 6H, N = 10.4
D1: VISHAY GSD2004S DUAL DIODE CONNECTED IN SERIES
D2: ZETEX ZHCS400 OR EQUIVALENT
R1: PULL UP RESISTOR NEEDED IF DONE PIN USED
3468 TA03
LT3468-1
CHARGE
GND
VIN
SW
+
DONE
CHARGE
C1
4.7
F
R1
100k
T1
1:10.2
COUT
PHOTOFLASH
CAPACITOR
VIN
2.5V TO 8V
D2
320V
D1
4
3
1
5
8
4
1
5
2
C1: 4.7
F, X5R OR X7R, 10V
T1: TDK PART# LDT565630T-002, LPRI = 14.5H, N = 10.2
D1: VISHAY GSD2004S DUAL DIODE CONNECTED IN SERIES
D2: ZETEX ZHCS400 OR EQUIVALENT
R1: PULL UP RESISTOR NEEDED IF DONE PIN USED
3468 TA04
Charge Time
VIN (V)
23456789
CHARGE
TIME
(s)
3468 TA05
10
9
8
7
6
5
4
3
2
1
0
COUT = 50F
COUT = 100F
VIN (V)
23456789
CHARGE
TIME
(s)
3468 TA06
10
9
8
7
6
5
4
3
2
1
0
COUT = 20F
COUT = 50F
相關(guān)PDF資料
PDF描述
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