參數資料
型號： LTC1708-PG
廠商： Linear Technology Corporation
英文描述： Dual Adjustable 5-Bit VID High Efficiency, 2-Phase Current Mode Synchronous Buck Regulator Controller
中文描述： 可調式雙5位VID高效率，2相電流模式同步降壓穩(wěn)壓控制器
文件頁數： 3/32頁
文件大?。?/td> 358K
代理商： LTC1708-PG
3
LTC1708-PG
ELECTRICAL CHARACTERISTICS
temperature range, otherwise specifications are at T
A
= 25
°
C. V
IN
= 15V, V
RUN/SS1, 2
= 5V unless otherwise noted.
The
G
denotes the specifications which apply over the full operating
SYMBOL
V
OV
I
SENSE
V
STBYMD
MS
V
STBYMD
KA
DF
MAX
I
RUN/SS1, 2
V
RUN/SS1, 2
ON
V
RUN/SS1, 2
LT
I
SCL1, 2
PARAMETER
Output Overvoltage Threshold
Sense Pins Total Source Current
Master Shutdown Threshold
Keep-Alive Power On-Threshold
Maximum Duty Factor
Soft-Start Charge Current
RUN/SS Pin ON Threshold
RUN/SS Pin Latchoff Threshold
RUN/SS Discharge Current
CONDITIONS
Measured at EAIN1, 2
(Each Channel); V
SENSE1
–
, 2
–
= V
SENSE1
+
, 2
+
= 0V
V
STBYMD
Ramping Down
V
STBYMD
Ramping Up, RUN
SS1, 2
= 0V
In Dropout
V
RUN/SS1, 2
= 1.9V
V
RUN/SS1,
V
RUN/SS2
Rising
V
RUN/SS1,
V
RUN/SS2
Rising from 3V
Soft Short Condition E
AIN1, 2
= 0.5V;
V
RUN/SS1, 2
= 4.5V
EAIN1, 2
= 0.5V
V
EAIN1, 2
= 0.7V; V
SENSE1, 2
= 5V
V
EAIN1, 2
= 0.7V; V
SENSE1, 2
= 5V
MIN
0.84
–85
0.4
TYP
0.86
–60
0.6
1.5
99.4
1.2
1.5
4.1
2
MAX
0.88
UNITS
V
μ
A
V
V
%
μ
A
V
V
μ
A
2
98
0.5
1.0
1.9
4.5
4
0.5
I
SDLHO
V
SENSE(MAX)
Shutdown Latch Disable Current
Maximum Current Sense Threshold
1.6
75
75
5
μ
A
mV
mV
65
62
85
88
G
TG Transition Time:
Rise Time
Fall Time
BG Transition Time:
Rise Time
Fall Time
Top Gate Off to Bottom Gate On Delay
Synchronous Switch-On Delay Time
Bottom Gate Off to Top Gate On Delay
Top Switch-On Delay Time
Minimum On-Time
INTV
CC
Linear Regulator
V
INTVCC
Internal V
CC
Voltage
V
LDO
INT
INTV
CC
Load Regulation
V
LDO
EXT
EXTV
CC
Voltage Drop
V
EXTVCC
EXTV
CC
Switchover Voltage
V
LDOHYS
EXTV
CC
Hysteresis
Oscillator
f
OSC
Oscillator Frequency
f
LOW
Lowest Frequency
f
HIGH
Highest Frequency
I
FREQSET
FREQSET
Input Current
3.3V Linear Regulator
V
3.3OUT
3.3V Regulator Output Voltage
V
3.3IL
3.3V Regulator Load Regulation
V
3.3VL
3.3V Regulator Line Regulation
PGOOD Output
V
PGL
PGOOD Voltage Low
I
PGOOD
PGOOD Leakage Current
V
PG
PGOOD Trip Level
TG1, 2 t
r
TG1, 2 t
f
C
LOAD
= 3300pF (Note 10)
C
LOAD
= 3300pF (Note 10)
50
50
90
90
ns
ns
BG1, 2 t
r
BG1, 2 t
f
TG/BG t
1D
C
LOAD
= 3300pF (Note 10)
C
LOAD
= 3300pF (Note 10)
C
LOAD
= 3300pF Each Driver (Note 10)
40
40
90
90
80
ns
ns
ns
BG/TG t
2D
C
LOAD
= 3300pF Each Driver (Note 10)
90
ns
t
ON(MIN)
Tested with a Square Wave (Notes 6, 10)
160
200
ns
6V < V
IN
< 30V, V
EXTVCC
= 4V
I
CC
= 0 to 20mA, V
EXTVCC
= 4V
I
CC
= 20mA, V
EXTVCC
= 5V
I
CC
= 20mA, EXTV
CC
Ramping Positive
4.8
5.0
0.2
120
4.7
0.2
5.2
1.0
240
V
%
mV
G
4.5
V
V
V
FREQSET
= Open (Note 7)
V
FREQSET
= 0V
V
FREQSET
= 2.4V
V
FREQSET
= 0V
190
120
280
220
140
310
–2
250
170
350
–1
kHz
kHz
kHz
μ
A
No Load
I
3.3
= 0 to 10mA
6V < V
IN
< 30V
G
3.25
3.35
0.5
0.05
3.45
2
0.2
V
%
%
I
PGOOD
= 2mA
V
PGOOD
= 5V
Relative to the 0.8V Regulated Feedback Voltage
EAIN1, 2 Ramping Negative from 0.8V
EAIN1, 2 Ramping Positive from 0.8V
0.1
0.3
1
V
μ
A
–10
5
–7.5
7.5
–5
10
%
%
相關PDF資料
PDF描述
LTC1708EG-PG Dual Adjustable 5-Bit VID High Efficiency, 2-Phase Current Mode Synchronous Buck Regulator Controller
LTC1709-7 RADIATION HARDENED HIGH EFFICIENCY, 5 AMP SWITCHING REGULATORS
LTC1709 RADIATION HARDENED HIGH EFFICIENCY, 5 AMP SWITCHING REGULATORS
LTC1709EG-8 RADIATION HARDENED HIGH EFFICIENCY, 5 AMP SWITCHING REGULATORS
LTC1709EG-9 RADIATION HARDENED HIGH EFFICIENCY, 5 AMP SWITCHING REGULATORS
相關代理商/技術參數
參數描述
LTC1709EG 功能描述:IC REG CTRLR BUCK PWM CM 36-SSOP RoHS:否 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 切換控制器 系列:- 標準包裝:4,500 系列:PowerWise® PWM 型:控制器 輸出數: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 回掃:無 反相:無 倍增器:無 除法器:無 Cuk:無 隔離:無 工作溫度:-40°C ~ 125°C 封裝/外殼:6-WDFN 裸露焊盤 包裝:帶卷 (TR) 配用:LM1771EVAL-ND - BOARD EVALUATION LM1771 其它名稱:LM1771SSDX
LTC1709EG#PBF 功能描述:IC REG CTRLR BUCK PWM CM 36-SSOP RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 切換控制器 系列:- 標準包裝:4,000 系列:- PWM 型:電壓模式 輸出數:1 頻率 - 最大:1.5MHz 占空比:66.7% 電源電壓:4.75 V ~ 5.25 V 降壓:是 升壓:無 回掃:無 反相:無 倍增器:無 除法器:無 Cuk:無 隔離:無 工作溫度:-40°C ~ 85°C 封裝/外殼:40-VFQFN 裸露焊盤 包裝:帶卷 (TR)
LTC1709EG#TR 功能描述:IC REG CTRLR BUCK PWM CM 36-SSOP RoHS:否 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 切換控制器 系列:- 標準包裝:4,500 系列:PowerWise® PWM 型:控制器 輸出數: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 回掃:無 反相:無 倍增器:無 除法器:無 Cuk:無 隔離:無 工作溫度:-40°C ~ 125°C 封裝/外殼:6-WDFN 裸露焊盤 包裝:帶卷 (TR) 配用:LM1771EVAL-ND - BOARD EVALUATION LM1771 其它名稱:LM1771SSDX
LTC1709EG#TRPBF 功能描述:IC REG CTRLR BUCK PWM CM 36-SSOP RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 切換控制器 系列:- 標準包裝:4,000 系列:- PWM 型:電壓模式 輸出數:1 頻率 - 最大:1.5MHz 占空比:66.7% 電源電壓:4.75 V ~ 5.25 V 降壓:是 升壓:無 回掃:無 反相:無 倍增器:無 除法器:無 Cuk:無 隔離:無 工作溫度:-40°C ~ 85°C 封裝/外殼:40-VFQFN 裸露焊盤 包裝:帶卷 (TR)
LTC1709EG7 制造商:Linear Technology 功能描述:
發(fā)布緊急采購，3分鐘左右您將得到回復。

采購需求

(若只采購一條型號，填寫一行即可)

發(fā)布成功！您可以繼續(xù)發(fā)布采購。也可以進入我的后臺，查看報價

發(fā)布成功！您可以繼續(xù)發(fā)布采購。也可以進入我的后臺，查看報價

*型號 *數量 廠商 批號 封裝
添加更多采購

我的聯(lián)系方式

*
*
*