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)： 2/20頁
文件大?。?/td> 368K
代理商： LT3420
LT3420/LT3420-1
2
3420fa
V
CC
Voltage.............................................................. 16V
V
BAT
Voltage ............................................................ 16V
SW Voltage (Note 2)
LT3420................................................................ 38V
LT3420-1............................................................ 50V
SEC Current......................................................
±
200mA
R
FB
Current...........................................................
±
3mA
R
REF
Voltage ........................................................... 2.5V
CHARGE Voltage...................................................... 16V
CT Voltage .............................................................. 1.5V
DONE Voltage .......................................................... 16V
Current into DONE Pin..........................................
±
1mA
Maximum Junction Temperature..........................125
°
C
Operating Ambient Temperature Range
(Note 3).............................................. –40
°
C to 85
°
C
Storage Temperature Range................. –65
°
C to 150
°
C
Lead Temperature (Soldering, 10 sec)..................300
°
C
ORDER PART
NUMBER
MS PART MARKING
LTYH
LTAJG
T
JMAX
= 125
°
C,
θ
= 100
°
C/W,
θ
JC
= 45
°
C/W
(4-LAYER BOARD)
LT3420EMS
LT3420EMS-1
ABSOLUTEW
(Note 1)
W
W
U
PACKAGE/ORDER IU
U
W
ELECTRICAL CHARACTERISTICS
temperature range, otherwise specifications are at T
A
= 25
°
C. V
CC
= V
BAT
= 3.3V, V
CHARGE
= V
CC
unless otherwise noted. (Note 3)
PARAMETER
CONDITIONS
Minimum Operating Voltage, V
CC
Maximum Operating Voltage, V
CC
V
CC
UVLO Hysteresis
Minimum V
BAT
Voltage
Maximum V
BAT
Voltage
V
BAT
UVLO Hysteresis
R
REF
Threshold Voltage
The
G
denotes the specifications which apply over the full operating
MIN
TYP
2.2
MAX
2.5
16
UNITS
G
V
V
40
1.6
mV
1.8
16
V
V
275
1.00
mV
0.98
0.975
1.02
1.025
4
V
V
G
R
REF
Pin Bias Current
V
RREF
= 0V, Switching
V
RFB
= V
BAT
– 0.2V (Note 4)
V
RREF
= 1.1V, Not Switching
V
CHARGE
= 0V, V
IN
= 3.3V
LT3420 (Note 5)
LT3420-1 (Note 5)
LT3420 (Note 5)
LT3420-1 (Note 5)
LT3420
LT3420-1
V
CT
= 0.75V
2
μ
A
Quiescent Current
Quiescent Current in Shutdown
Primary Side Current Limit
90
0.01
1.4
0.9
40
15
200
0
2.5
1.0
0.5
130
1
1.60
1.05
50
25
μ
A
μ
A
A
A
mA
mA
ns
ns
μ
A
1.20
0.75
20
5
Secondary Side Current Limit
Leakage Blanking Pulse Width
Refresh Timer Charge/Discharge Current
Refresh Timer Upper Threshold
Refresh Timer Lower Threshold
1.5
0.9
0.45
3.5
1.1
0.55
V
V
Consult LTC Marketing for parts specified with wider operating temperature ranges.
1
2
3
4
5
R
REF
V
BAT
R
FB
V
CC
GND
10
9
8
7
6
C
CHARGE
DONE
SEC
SW
TOP VIEW
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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
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