參數(shù)資料
型號(hào)： LTC3406
廠商： Linear Technology Corporation
元件分類： 基準(zhǔn)電壓源/電流源
英文描述： Dual DC/DC Converter with USB Power Manager and Li-Ion Battery Charger
中文描述： 雙DC / DC轉(zhuǎn)換器的USB電源管理器和鋰離子電池充電器
文件頁(yè)數(shù)： 2/24頁(yè)
文件大?。?/td> 516K
代理商： LTC3406
LTC3455
2
3455f
V
BAT
, V
MAX
, USB Voltages ...........................–0.3V to 6V
SW1, SW2 Voltages ....................–0.3V to (V
MAX
+0.3V)
TIMER Voltage.............................–0.3V to (V
MAX
+0.3V)
PWRON, ON, ON2, HSON Voltages .............–0.3V to 6V
PBSTAT, RST, CHRG, AO Voltages..............–0.3V to 6V
HSI, HSO Voltages.......................................–0.3V to 6V
MODE, USBHP, SUSPEND Voltages ............–0.3V to 6V
WALLFB, AI, PROG Voltages .......................–0.3V to 2V
FB1, FB2 Voltages........................................–0.3V to 2V
Junction Temperature...........................................125
°
C
Operating Temperature Range (Note 2).. –40
°
C to 85
°
C
Storage Temperature Range................. –65
°
C to 125
°
C
ORDER PART
NUMBER
UF PART
MARKING
T
JMAX
= 125
°
C,
θ
JA
= 36
°
C/W,
θ
JC
= 2.5
°
C/W
EXPOSED PAD (PIN 25) IS GND
MUST BE SOLDERED TO PCB
Consult LTC Marketing for parts specified with wider operating temperature ranges.
3455
LTC3455EUF
ABSOLUTEW
(Note 1)
W
W
U
PACKAGE/ORDER IU
U
W
ELECTRICAL CHARACTERISTICS
temperature range, otherwise specifications are at T
A
= 25
°
C. V
BAT
= 3.6V, V
MAX
= 3.6V, V
PWRON
= 2V, V
ON
is open, V
ON2
= 0V,
V
USB
= 0V, V
WALLFB
= 0V unless otherwise noted.
The
G
denotes the specifications which apply over the full operating
PARAMETER
Battery Undervoltage Lockout Voltage
Battery Undervoltage Lockout Hysteresis
V
BAT
Pin Quiescent Current (Note 3)
Burst Mode,
Battery Powered
PWM Mode, Battery Powered
USB Powered
Wall Powered
Shutdown
ON Pin Threshold
PWRON Pin Threshold
ON2 Pin Threshold
MODE Pin Threshold
WALLFB Pin Threshold Voltage
WALLFB Pin Hysteresis
ON Pin Pullup Current
PWRON Pin Pulldown Current
ON2 Pin Pulldown Current
MODE Pin Pullup Current
WALLFB Pin Input Bias Current
PBSTAT Pin Low Voltage
CONDITIONS
V
BAT
Rising
MIN
2.9
TYP
3.0
450
MAX
3.2
UNITS
V
mV
V
ON2
= V
MODE
= 1V, Not Switching
V
ON2
= 1V, V
MODE
= 0V, Not Switching
V
USB
= 5V, Charger Off
V
WALL
= 1.5V, V
MAX
= 4.5V, Charger Off
V
PWRON
= 0V, V
MAX
= 0V
110
500
10
10
2
0.8
0.8
0.8
0.8
1.23
60
2.5
2.5
2.5
2.5
±
1
0.02
0.20
0.02
0.20
200
160
800
20
20
4
1.0
1.0
1.0
1.0
1.26
μ
A
μ
A
μ
A
μ
A
μ
A
V
V
V
V
V
mV
μ
A
μ
A
μ
A
μ
A
nA
WALLFB Rising
G
1.20
V
ON
= 1V
V
PWRON
= 1V
V
ON2
= 1V
V
MODE
= 1V
V
WALLFB
= 1.35V
V
ON
= 0V, I
PBSTAT
= 100
μ
A
V
ON
= 0V, I
PBSTAT
= 1mA
I
RST
= 100
μ
A
I
RST
= 1mA
After FB1 and FB2 in Regulation
G
±
30
0.10
0.35
0.10
0.35
V
V
V
V
RST Pin Low Voltage
RST Pulse Duration
ms
24
25
23 22 21 20 19
7
8
9
TOP VIEW
UF PACKAGE
24-LEAD (4mm
×
4mm) PLASTIC QFN
10 11 12
6
5
4
3
2
1
13
14
15
16
17
18
FB1
PROG
TIMER
CHRG
USBHP
SUSPEND
FB2
AO
AI
HSON
HSO
HSI
O
P
P
M
R
O
S
U
V
B
V
M
W
S
相關(guān)PDF資料
PDF描述
LTC3455 Dual DC/DC Converter with USB Power Manager and Li-Ion Battery Charger
LTC3455EUF Dual DC/DC Converter with USB Power Manager and Li-Ion Battery Charger
LTC3440 Dual DC/DC Converter with USB Power Manager and Li-Ion Battery Charger
LTC3441 Dual DC/DC Converter with USB Power Manager and Li-Ion Battery Charger
LT1616 Dual DC/DC Converter with USB Power Manager and Li-Ion Battery Charger
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LTC3406-1.2 制造商:LINER 制造商全稱:Linear Technology 功能描述:1.5MHz, 600mA Synchronous Step-Down Regulator in ThinSOT
LTC3406-1.5 制造商:LINER 制造商全稱:Linear Technology 功能描述:1.5MHz, 600mA Synchronous Step-Down egulator in ThinSOT
LTC3406-1.8 制造商:LINER 制造商全稱:Linear Technology 功能描述:1.5MHz, 600mA Synchronous Step-Down egulator in ThinSOT
LTC3406A 制造商:LINER 制造商全稱:Linear Technology 功能描述:High Efficiency Battery Charger/USB Power Manager
LTC3406AB 制造商:LINER 制造商全稱:Linear Technology 功能描述:1.5MHz, 600mA Synchronous Step-Down Regulator in ThinSOT
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