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參數(shù)資料
| 型號： | LTC3407 |
| 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 |
| 文件頁數(shù)： | 3/24頁 |
| 文件大?。?/td> | 516K |
| 代理商： | LTC3407 |
LTC3455
3
3455f
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-V
MAX
PMOS
V
MAX
PMOS Switch On-Resistance
V
MAX
Switch Current Limit
V
MAX
Switch Current Limit at Startup
Gain Block
AI Pin Threshold Voltage
AI Pin/FB2 Pin Voltage Difference
AI Pin Input Bias Current
AO Pin Sink Current
AO Pin Voltage
Switching Regulators
FB1, FB2 Voltage
FB1, FB2 Voltage Line Regulation
FB1, FB2 Voltage Burst Mode Hysteresis
FB1, FB2 Pin Input Bias Current
Switching Frequency
PMOS Switch On-Resistance
NMOS Switch On-Resistance
PMOS Switch Current Limit
CONDITIONS
MIN
TYP
MAX
UNITS
0.15
4.0
0.9
A
A
2.5
0.4
With V
MAX
Rising, V
MAX
= 3V, V
BAT
= 3.6V
G
0.784
–8
0.805
0
±
1
1.8
0.8
0.826
8
±
25
2.5
1.2
V
V
FB2
– V
AI
V
AI
= 0.85V
V
AI
= 0.6V, V
AO
= 1.5V
V
AI
= 0.6V, I
AO
= 1mA
mV
nA
mA
G
1.0
V
G
0.784
0.805
0.01
8
±
1
1.5
0.35
0.45
600
900
0.826
V
V
MAX
= 3V to 5V
V
MODE
= 2V
V
FB1
= V
FB2
= 0.85V
Both Switchers
Both Switchers
Both Switchers
Switcher 1
Switcher 2
%/V
mV
nA
MHz
G
±
25
1.8
1.2
450
700
850
1200
mA
mA
USB Power Manager
USB Undervoltage Lockout Voltage
USB Undervoltage Lockout Hysteresis
USB Minimum Voltage to Charge Battery
USB PMOS Switch On-Resistance
USB Current Limit
From Low to High
3.75
3.90
150
4.0
0.5
475
80
4
0.8
0.8
2.5
2.5
4.10
V
mV
V
V
USB
= 5V
V
USB
= 5V, V
USBHP
= 2V
V
USB
= 5V, V
USBHP
= 0V
V
USB
= 5V, V
SUSPEND
= 2V
G
G
440
60
500
100
20
1.1
1.1
mA
mA
μ
A
USB Suspend Mode Bias Current
SUSPEND Pin Threshold
USBHP Pin Threshold
SUSPEND Pin Pulldown Current
USBHP Pin Pulldown Current
Hot Swap Output
Hot Swap PMOS Switch On-Resistance
Hot Swap PMOS Switch Current Limit
HSON Pin Threshold
HSON Pin Pulldown Current
V
V
V
SUSPEND
= 0.5V
V
USBHP
= 0.5V
μ
A
μ
A
V
HSI
= 3.3V
V
HSI
= 3.3V, V
HSO
= 2.5V
0.9
160
0.8
2.5
120
mA
1.1
V
μ
A
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| LTC3412 | Dual DC/DC Converter with USB Power Manager and Li-Ion Battery Charger |
| LTC3406ES5-1.5 | 1.5MHz, 600mA Synchronous Step-Down Regulator in ThinSOT |
| LTC3406ES5-1.8 | 1.5MHz, 600mA Synchronous Step-Down Regulator in ThinSOT |
| LTC3406B-2 | 2.25MHz, 600mA Synchronous Step-Down Regulator in ThinSOT |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LTC3407-2 | 制造商:LINER 制造商全稱:Linear Technology 功能描述:Monolithic Dual Tracking 3A Step-Down Switching |
| LTC3407-3 | 制造商:LINER 制造商全稱:Linear Technology 功能描述:Dual Synchronous, 1.8V/0.8A and 3.3V/0.8A 2.25MHz Step-Down DC/DC Regulator |
| LTC3407-4 | 制造商:LINER 制造商全稱:Linear Technology 功能描述:Dual Synchronous, 800mA, 2.25MHz Step-Down DC/DC Regulator |
| LTC3407A | 制造商:LINER 制造商全稱:Linear Technology 功能描述:Dual Synchronous 600mA, 1.5MHz Step-Down DC/DC Regulator |
| LTC3407A-2 | 制造商:LINER 制造商全稱:Linear Technology 功能描述:Dual Synchronous 800mA,2.25MHz Step-Down DC/DC Regulator |
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