參數(shù)資料
型號(hào): LTC3456EUF
廠商: LINEAR TECHNOLOGY CORP
元件分類: 穩(wěn)壓器
英文描述: ECONOLINE: RSZ/P - 1kVDC
中文描述: 0.9 A BATTERY CHARGE CONTROLLER, 1200 kHz SWITCHING FREQ-MAX, PQCC24
封裝: 4 X 4 MM, PLASTIC, MO-220-WGGD, QFN-24
文件頁(yè)數(shù): 28/28頁(yè)
文件大?。?/td> 358K
代理商: LTC3456EUF
28
LTC3456
3456f
LINEAR TECHNOLOGY CORPORATION 2004
LT/TP 1204 1K PRINTED IN USA
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900
FAX: (408) 434-0507
www.linear.com
TYPICAL APPLICATIO
U
Quad-Output Converter Runs Off 2 AA Cells, USB or Wall Adapter
+
PWRKEY
PBSTAT RESET MODE
WALLFB
V
MAX
V
EXT
V
EXT
C3
10
μ
F
C2
4.7
μ
F
1
C4
4.7
μ
F
1
C1
4.7
μ
F
1k
D1
11.3k
4.32k
AC
ADAPTER
(5V
±
10%)
USB POWER
(4.35V TO 5.5V)
USB
CONTROLLER
L2
4.7
μ
H
2 AA
CELLS
L3
10
μ
H
EXT_PWR
USB
SUSPEND
USBHP
V
BATT
V
MAIN
A0
AIN
V
INT
SW2_BST
LTC3456
SW2_BK
MICROCONTROLLER
PWRON PGND AGND
C10
22
μ
F
MAIN OUTPUT
3.3V
100mA
LCD LOGIC BIAS
2.8V
10mA
C9
1
μ
F
100k
HSO
FLASH MEMORY CARD
3.3V
50mA
C7
1
μ
F
C8
2.2
μ
F
Q2
49.9k
20k
C5
1
μ
F
C1, C6 TO C10: X5R OR X7R, 4V
C2 TO C5: X5R OR X7R, 6.3V
D1, D2: ON SEMICONDUCTOR MBRM120E
3456 TA03
SW1
FB1
CORE OUTPUT
2.5V
100mA
V
TO REAL-TIME CLOCK
(ALIVE OR SHUT DOWN)
L1, L3: MURATA LQH32CN100K53
L2: MURATA LQH32CN4R7M53
Q1: FAIRCHILD FDG327N
Q2: PHILIPS MMBT3906
43.2k
20.5k
L1
10
μ
H
10
μ
F
330pF
Q1
D2
RELATED PARTS
PART NUMBER
LT1616
DESCRIPTION
500mA (I
OUT
), 1.4MHz, High Efficiency Step-Down
DC/DC Converter
1.2A (I
OUT
), 550kHz, Synchronous Step-Down
DC/DC Converter
300mA (I
OUT
), 1.5MHz, Synchronous Step-Down
DC/DC Converter
600mA (I
OUT
), 1.5MHz, Synchronous Step-Down
DC/DC Converter
Dual 600mA (I
OUT
), 1.5MHz, Synchronous Step-Down
DC/DC Converter
2.5A (I
OUT
), 4MHz, Synchronous Step-Down
DC/DC Converter
4A (I
OUT
), 4MHz, Synchronous Step-Down
DC/DC Converter
600mA/1A (I
OUT
), 2MHz/1MHz, Synchronous Buck-Boost
DC/DC Converter
Dual DC/DC Converter with USB Power Manager
and Li-Ion Battery
COMMENTS
90% Efficiency, V
IN
: 3.6V to 25V, V
OUT(MIN)
= 1.25V, I
Q
= 1.9mA,
I
SD
< 1
μ
A, ThinSOT
95% Efficiency, V
IN
: 2.7V to 10V, V
OUT(MIN)
= 0.8V, I
Q
= 15
μ
A,
I
SD
< 1
μ
A, TSSOP16
95% Efficiency, V
IN
: 2.7V to 6V, V
OUT(MIN)
= 0.8V, I
Q
= 20
μ
A,
I
SD
< 1
μ
A, ThinSOT
96% Efficiency, V
IN
: 2.5V to 5.5V, V
OUT(MIN)
= 0.6V, I
Q
= 20
μ
A,
I
SD
< 1
μ
A, ThinSOT
96% Efficiency, V
IN
: 2.5V to 5.5V, V
OUT(MIN)
= 0.6V, I
Q
= 40
μ
A,
I
SD
< 1
μ
A, MS10E
95% Efficiency, V
IN
: 2.5V to 5.5V, V
OUT(MIN)
= 0.8V, I
Q
= 60
μ
A,
I
SD
< 1
μ
A, TSSOP16E
95% Efficiency, V
IN
: 2.25V to 5.5V, V
OUT(MIN)
= 0.8V, I
Q
= 64
μ
A,
I
SD
< 1
μ
A, TSSOP16E
95% Efficiency, V
IN
: 2.5V to 5.5V, V
OUT(MIN)
= 2.5V, I
Q
= 25
μ
A/50
μ
A,
I
SD
< 1
μ
A, MS/DFN
96% Efficiency, Seamless Transition Between Inputs, I
Q
= 110
μ
A,
I
SD
< 2
μ
A, QFN
LTC1879
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LTC3456EUF#TRPBF 功能描述:IC CONV DC/DC USB BATT 24-QFN RoHS:否 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(dòng)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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