參數(shù)資料
型號(hào)： LT1339ISW
廠商： LINEAR TECHNOLOGY CORP
元件分類： 穩(wěn)壓器
英文描述： High Power Synchronous DC/DC Controller
中文描述： SWITCHING CONTROLLER, 150 kHz SWITCHING FREQ-MAX, PDSO20
封裝： 0.300 INCH, PLASTIC, SO-20
文件頁(yè)數(shù)： 3/20頁(yè)
文件大?。?/td> 415K
代理商： LT1339ISW
3
LT1339
12V
IN
= V
BOOST
= 12V, V
C
= 2V, TS = 0V, V
FB
= V
REF
= 1.25V, C
TG
= C
BG
= 3000pF, T
A
= 25
°
C unless otherwise noted.
ELECTRICAL C
HARA TERISTICS
SYMBOL
Error Amplifier
V
FB
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Error Amplifier Reference Voltage
Measured at Feedback Pin
1.242
1.235
0.1
1200
1500
200
280
1.250
1.250
0.5
2000
3000
275
400
3.5
190
120
2.5
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
Peak Current Limit Threshold
Average Current Limit Threshold (Note 4)
Average Current Limit Threshold
Current Sense Amplifier
A
V
Amplifier DC Gain
V
OS
Amplifier Input Offset Voltage
V
FB
= V
REF
G
μ
A
G
μ
mho
V/V
G
G
G
μ
A
μ
A
V
mV
mV
V
FB
– V
REF
= 500mV
Measured at V
C
Pin
Measured at Sense Inputs
Measured at Sense Inputs
Measured at I
AVG
Pin
V
VC
V
SENSE
G
G
170
110
130
V
IAVG
V
Measured at I
AVG
Pin
2V < V
CMSENSE
< 60V,
SENSE
+
– SENSE
–
= 5mV
Sink (V
CMSENSE
> 5V)
Source (V
CMSENSE
= 0V)
15
V/V
mV
G
0.1
I
B
Input Bias Current
G
G
45
700
75
1200
μ
A
μ
A
Oscillator
f
O
Operating Frequency, Free Run
Frequency Programming Error (Note 3)
Timing Capacitor Discharge Current
G
G
150
5
2.75
2.75
2.0
1.4f
O
kHz
%
mA
mA
f
O
≤
150kHz
LT1339C
LT1339I
Rising Edge
f
SYNC
≤
150kHz
–5
2.20
2.10
0.8
f
O
I
CT
G
G
2.50
2.50
V
SYNC
f
SYNC
Output Drivers
V
TG,BG
SYNC Input Threshold
SYNC Frequency Range
G
V
G
Undervoltage Output Clamp
Standby Mode Output Clamp
Top Gate On Voltage
Top Gate Off Voltage
Top Gate Rise Time
Top Gate Fall Time
Bottom Gate On Voltage
Bottom Gate Off Voltage
Bottom Gate Rise Time
Bottom Gate Fall Time
12V
IN
≤
8V
V
RUN
< 0.5V
G
G
0.4
0.7
0.1
12.0
0.7
200
140
12.0
0.7
200
140
V
V
V
V
V
TG
G
G
11.0
11.9
0.4
130
60
11.9
0.4
70
60
t
TGR
t
TGF
V
BG
G
ns
ns
V
V
ns
ns
G
G
G
11.0
t
BGR
t
BGF
G
G
Note 2:
Supply current specification does not include external FET gate
charge currents. Actual supply currents will be higher and vary with
operating frequency, operating voltages and the type of external FETs
used. See Application Information section.
Note 3:
Test condition: R
CT
= 16.9k, C
CT
= 1000pF.
Note 4:
Test Condition: V
CMSENSE
= 10V.
The
G
denotes specifications which apply over the full operating
temperature range.
Note 1:
Absolute maximum ratings are those values beyond which the life
of a device may be impaired.
相關(guān)PDF資料
PDF描述
LT1341 5V RS232 Transceiver with One Receiver Active in Shutdown
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LT1339ISW#PBF 功能描述:IC REG CTRLR BST PWM CM 20-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(pán) 包裝:Digi-Reel® 產(chǎn)品目錄頁(yè)面:1303 (CN2011-ZH PDF) 其它名稱:LM3754SQDKR
LT1339ISW#TR 功能描述:IC REG CTRLR BST PWM CM 20-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:4,500 系列:PowerWise® PWM 型:控制器 輸出數(shù):1 頻率 - 最大:1MHz 占空比:95% 電源電壓:2.8 V ~ 5.5 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:-40°C ~ 125°C 封裝/外殼:6-WDFN 裸露焊盤(pán) 包裝:帶卷 (TR) 配用:LM1771EVAL-ND - BOARD EVALUATION LM1771 其它名稱:LM1771SSDX
LT1339ISW#TRPBF 功能描述:IC REG CTRLR BST PWM CM 20-SOIC RoHS:是 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:4,500 系列:PowerWise® PWM 型:控制器 輸出數(shù):1 頻率 - 最大:1MHz 占空比:95% 電源電壓:2.8 V ~ 5.5 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:-40°C ~ 125°C 封裝/外殼:6-WDFN 裸露焊盤(pán) 包裝:帶卷 (TR) 配用:LM1771EVAL-ND - BOARD EVALUATION LM1771 其它名稱:LM1771SSDX
LT1339ISWPBF 制造商:Linear Technology 功能描述:DC-DC Controller High Power Synch. SO20W
LT133X1-104 制造商:未知廠家 制造商全稱:未知廠家 功能描述:18+18 Dual channel 5V LVDS
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