參數(shù)資料
型號: LT3420
廠商: Linear Technology Corporation
英文描述: Photoflash Capacitor Chargers with Automatic Refresh
中文描述: 照相閃光燈電容充電器,具有自動刷新
文件頁數(shù): 4/20頁
文件大?。?/td> 368K
代理商: LT3420
LT3420/LT3420-1
4
3420fa
Output Voltage in Refresh Mode,
LT3420-1
TEMPERATURE (
°
C)
–50
V
O
100
3420 G04
0
50
335
330
325
320
315
310
305
300
295
–25
25
75
125
FIGURE 2 CIRCUIT
V
CC
= 3.3V
V
BAT
= 3.3V
V
IN
(V)
2.5
V
O
5.5
3420 G05
5.0
3.0
4.0
3.5
4.5
6.0
FIGURE 2 CIRCUIT
V
CC
= V
IN
V
BAT
= V
IN
T
A
= 25
°
C
335
330
325
320
315
310
305
300
295
V
BAT
(V)
2
T
6
3420 G06
3
4
5
10
8
6
4
2
0
FIGURE 2 CIRCUIT
V
CHARGED
FROM 50V TO 320V
T
A
= 25
°
C
C
OUT
= 100
μ
F
C
OUT
= 40
μ
F
Output Voltage in Refresh Mode,
LT3420-1
Charge Pin Input Current
Primary Current Limit, LT3420
Secondary Current Limit, LT3420
Charge Time, LT3420-1
CHARGE PIN VOLTAGE (V)
2
C
μ
A
10
8
6
4
2
0
5
7
10
3420 G07
3
4
6
8
9
T
A
= 25
°
C
TEMPERATURE (
°
C)
–50
C
3420 G08
0
50
100
1.7
1.5
1.3
1.1
0.9
–25
25
75
125
TEMPERATURE (
°
C)
–50
100
3420 G09
0
50
60
55
50
45
40
35
30
25
20
–25
25
75
125
Efficiency of Figure 1 Circuit,
LT3420
Primary Current Limit, LT3420-1
Secondary Current Limit, LT3420-1
E
3420 G10
90
80
70
60
50
40
V
OUT
(V)
100
200
300
50
150
350
250
V
CC
= V
BAT
= V
IN
V
IN
= 3.3V
V
IN
= 5V
T
A
= 25
°
C
TEMPERATURE (
°
C)
–50
C
3420 G11
0
50
100
1.2
1.1
1.0
0.9
0.8
–25
25
75
125
TEMPERATURE (
°
C)
–50
100
3420 G12
0
50
35
30
25
20
15
10
5
–25
25
75
125
Graphs apply to both the LT3420 and LT34201-1 unless otherwise noted.
TYPICAL PERFOR A CE CHARACTERISTICS
U
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LT3420-1 制造商:LINER 制造商全稱:Linear Technology 功能描述:Photoflash Capacitor Chargers with Automatic Refresh
LT3420EDD#PBF 功能描述:IC PHOTOFLASH CAP CHARGER 10-DFN RoHS:是 類別:集成電路 (IC) >> PMIC - 電源管理 - 專用 系列:- 標(biāo)準(zhǔn)包裝:1 系列:- 應(yīng)用:手持/移動設(shè)備 電流 - 電源:- 電源電壓:3 V ~ 5.5 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:14-WFDFN 裸露焊盤 供應(yīng)商設(shè)備封裝:14-LLP-EP(4x4) 包裝:Digi-Reel® 配用:LP3905SD-30EV-ND - BOARD EVALUATION LP3905SD-30 其它名稱:LP3905SD-30DKR
LT3420EDD#TR 制造商:Linear Technology 功能描述:SP-SWREG/Monolithic, Photoflash Capacitor Charger w/ Automatic Top-Off
LT3420EDD#TRPBF 功能描述:IC PHOTOFLASH CAP CHARGER 10-DFN RoHS:是 類別:集成電路 (IC) >> PMIC - 電源管理 - 專用 系列:- 應(yīng)用說明:Ultrasound Imaging Systems Application Note 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:37 系列:- 應(yīng)用:醫(yī)療用超聲波成像,聲納 電流 - 電源:- 電源電壓:2.37 V ~ 6 V 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:56-WFQFN 裸露焊盤 供應(yīng)商設(shè)備封裝:56-TQFN-EP(8x8) 包裝:管件
LT3420EDD-1#PBF 功能描述:IC PHOTOFLASH CAP CHARGER 10-DFN RoHS:是 類別:集成電路 (IC) >> PMIC - 電源管理 - 專用 系列:- 標(biāo)準(zhǔn)包裝:1 系列:- 應(yīng)用:手持/移動設(shè)備 電流 - 電源:- 電源電壓:3 V ~ 5.5 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:14-WFDFN 裸露焊盤 供應(yīng)商設(shè)備封裝:14-LLP-EP(4x4) 包裝:Digi-Reel® 配用:LP3905SD-30EV-ND - BOARD EVALUATION LP3905SD-30 其它名稱:LP3905SD-30DKR