參數(shù)資料
型號(hào): LT1680
廠商: Linear Technology Corporation
英文描述: High Power DC/DC Step-Up Controller(大功率,DC/DC步升轉(zhuǎn)換器)
中文描述: 高功率DC / DC升壓控制器(大功率,直流/直流步升轉(zhuǎn)換器)
文件頁(yè)數(shù): 2/16頁(yè)
文件大?。?/td> 272K
代理商: LT1680
2
LT1680
ABSOLUTE
AXI
U
RATIU
W
(Note 1)
Power Supply Voltage (12V
IN
).................. –0.3V to 20V
Sense Amplifier Input Common Mode...... –0.3V to 60V
GATE Pin Voltage....................... –0.3V to 12V
IN
+ 0.3V
RUN/SHDN Pin Voltage ......................... –0.3V to 12V
IN
All Other Pin Voltages................................. –0.3V to 7V
5V Reference Output Current............................... 65mA
Operating Ambient Temperature Range
LT1680C..................................................0
°
C to 70
°
C
LT1680I.............................................. –40
°
C to 85
°
C
Storage Temperature Range................ –65
°
C to 150
°
C
Lead Temperature (Soldering, 10 sec)................. 300
°
C
W
W
PACKAGE/ORDER I
FOR
ATIO
W
U
U
LT1680CN
LT1680CSW
LT1680IN
LT1680ISW
ORDER PART
NUMBER
1
2
3
4
5
6
7
8
TOP VIEW
SW PACKAGE
16-LEAD PLASTIC SO WIDE
N PACKAGE
16-LEAD PDIP
T
JMAX
= 125
°
C,
θ
JA
= 75
°
C/W (N)
T
JMAX
= 125
°
C,
θ
JA
= 90
°
C/W (SW)
16
15
14
13
12
11
10
9
SL/ADJ
C
T
I
AVG
SS
V
C
SGND
V
FB
V
REF
5V
REF
SYNC
12V
IN
GATE
PGND
RUN/SHDN
SENSE
SENSE
+
Consult factory for Military grade parts.
ELECTRICAL CHARACTERISTICS
12V
IN
= 12V, V
VC
= 2V, V
FB
= V
REF
= 1.25V, C
GATE
= 3000pF, T
A
= 25
°
C unless otherwise noted.
SYMBOL
Supply and Protection
I
12VIN
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
DC Active Supply Current (Note 2)
Gate Output On
Gate Output Off
V
RUN
< 0.5V
G
15
12
65
1.25
15
8
9.00
9.35
350
22
mA
mA
μ
A
DC Standby Supply Current
V
RUN/SHDN
Shutdown Rising Threshold
V
SSHYST
Shutdown Threshold Hysteresis
I
SS
Soft Start Charge Current
V
UVLO
Undervoltage Lockout Threshold - Falling
Undervoltage Lockout Threshold - Rising
Undervoltage Lockout Hysteresis
5V Reference
V
REF5
5V Reference Voltage
5V Reference Line Regulation
I
REF5
5V Reference Load Range - DC
Pulse
5V Reference Load Regulation
I
SC
5V Reference Short-Circuit Current
Error Amplifier
V
FB
Error Amplifier Reference Voltage
G
110
1.35
G
1.15
V
mV
μ
A
G
5
14
9.75
9.95
G
G
G
8.20
V
V
200
mV
Line, Load and Temperature
10V
12V
IN
15V
G
4.75
5
3
5.25
5
10
20
–2
V
G
mV/V
mA
mA
V/A
mA
G
G
0
I
REF5
20mA
G
–1.25
45
Measured at Feedback Pin
1.242
1.235
0.1
1200
1500
200
280
1.250
1.258
1.265
1.0
3200
V
V
G
I
FB
g
m
A
V
I
VC
Feedback Input Current
Error Amplifier Transconductance
Error Amplifier Voltage Gain
Error Amplifier Source Current
Error Amplifier Sink Current
Absolute V
C
Clamp Voltage
V
FB
= V
REF
G
0.5
2000
3000
275
400
3.5
μ
A
G
μ
mho
V/V
G
G
G
μ
A
μ
A
V
V
FB
– V
REF
= 500mV
Measured at V
C
Pin
V
VC
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LT1680C 制造商:LINER 制造商全稱:Linear Technology 功能描述:High Power DC/DC Step-Up Controller
LT1680CN 功能描述:IC REG CTRLR BST PWM CM 16-DIP RoHS:否 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 切換控制器 系列:- 標(biāo)準(zhǔn)包裝:2,500 系列:- PWM 型:電流模式 輸出數(shù):1 頻率 - 最大:500kHz 占空比:96% 電源電壓:4 V ~ 36 V 降壓:無(wú) 升壓:是 回掃:無(wú) 反相:無(wú) 倍增器:無(wú) 除法器:無(wú) Cuk:無(wú) 隔離:無(wú) 工作溫度:-40°C ~ 125°C 封裝/外殼:24-WQFN 裸露焊盤 包裝:帶卷 (TR)
LT1680CN#PBF 功能描述:IC REG CTRLR BST PWM CM 16-DIP RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 切換控制器 系列:- 特色產(chǎn)品:LM3753/54 Scalable 2-Phase Synchronous Buck Controllers 標(biāo)準(zhǔn)包裝:1 系列:PowerWise® PWM 型:電壓模式 輸出數(shù):1 頻率 - 最大:1MHz 占空比:81% 電源電壓:4.5 V ~ 18 V 降壓:是 升壓:無(wú) 回掃:無(wú) 反相:無(wú) 倍增器:無(wú) 除法器:無(wú) Cuk:無(wú) 隔離:無(wú) 工作溫度:-5°C ~ 125°C 封裝/外殼:32-WFQFN 裸露焊盤 包裝:Digi-Reel® 產(chǎn)品目錄頁(yè)面:1303 (CN2011-ZH PDF) 其它名稱:LM3754SQDKR
LT1680CSW 功能描述:IC REG CTRLR BST PWM CM 16-SOIC RoHS:否 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 切換控制器 系列:- 標(biāo)準(zhǔn)包裝:2,500 系列:- PWM 型:電流模式 輸出數(shù):1 頻率 - 最大:500kHz 占空比:96% 電源電壓:4 V ~ 36 V 降壓:無(wú) 升壓:是 回掃:無(wú) 反相:無(wú) 倍增器:無(wú) 除法器:無(wú) Cuk:無(wú) 隔離:無(wú) 工作溫度:-40°C ~ 125°C 封裝/外殼:24-WQFN 裸露焊盤 包裝:帶卷 (TR)
LT1680CSW#PBF 功能描述:IC REG CTRLR BST PWM CM 16-SOIC RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 切換控制器 系列:- 特色產(chǎn)品:LM3753/54 Scalable 2-Phase Synchronous Buck Controllers 標(biāo)準(zhǔn)包裝:1 系列:PowerWise® PWM 型:電壓模式 輸出數(shù):1 頻率 - 最大:1MHz 占空比:81% 電源電壓:4.5 V ~ 18 V 降壓:是 升壓:無(wú) 回掃:無(wú) 反相:無(wú) 倍增器:無(wú) 除法器:無(wú) Cuk:無(wú) 隔離:無(wú) 工作溫度:-5°C ~ 125°C 封裝/外殼:32-WFQFN 裸露焊盤 包裝:Digi-Reel® 產(chǎn)品目錄頁(yè)面:1303 (CN2011-ZH PDF) 其它名稱:LM3754SQDKR