參數(shù)資料
型號(hào): LTC3701
廠商: Linear Technology Corporation
英文描述: 16-Bit Universal Bus Driver With 3-State Outputs 48-SSOP -40 to 85
中文描述: 2相,低輸入電壓,雙通道降壓DC / DC控制器
文件頁(yè)數(shù): 2/20頁(yè)
文件大?。?/td> 250K
代理商: LTC3701
2
LTC3701
3701fa
(Note 1)
Input Supply Voltage (V
IN
)........................ –0.3V to 10V
SENSE1
, SENSE2
, PGATE1, PGATE2,
PLLLPF, SENSE1
+
, SENSE2
+
,
EXTCLK/MODE Voltages.............. –0.3V to (V
IN
+ 0.3V)
V
FB1
, V
FB2
, I
TH
/RUN1,
I
TH
/RUN2 Voltages .................................. –0.3V to 2.4V
PGOOD Voltage ........................................ –0.3V to 10V
PGATE1, PGATE2 Peak Output Current (<10
μ
s)....... 1A
Operating Ambient Temperature Range
(Note 2) ...................................................–40
°
C to 85
°
C
Storage Ambient Temperature Range... –65
°
C to 150
°
C
Junction Temperature (Note 3)............................ 125
°
C
Lead Temperature (Soldering, 10 sec)..................300
°
C
The
G
denotes specifications which apply over the full operating
temperature range, otherwise specifications are T
A
= 25
°
C. V
IN
= 4.2V unless otherwise noted.
PARAMETER
Main Control Loops
Input DC Supply Current
Normal Operation
Sleep Mode
Shutdown
UVLO
Undervoltage Lockout Threshold
ABSOLUTEW
W
W
U
PACKAGE/ORDER U
U
W
ORDER PART
NUMBER
LTC3701EGN
ELECTRICAL CHARACTERISTICS
T
JMAX
= 150
°
C,
θ
JA
= 140
°
C/W
GN PACKAGE
16-LEAD PLASTIC SSOP
1
2
3
4
5
6
7
8
TOP VIEW
16
15
14
13
12
11
10
9
SENSE1
I
TH
/RUN1
V
FB1
SGND
V
FB2
I
TH
/RUN2
PLLLPF
SENSE2
SENSE1
+
V
IN
PGATE1
PGND
PGATE2
PGOOD
EXTCLK/MODE
SENSE2
+
CONDITIONS
MIN
TYP
MAX
UNITS
(Note 4)
2.5V < V
IN
< 9.8V
2.5V < V
IN
< 9.8V
2.5V < V
IN
< 9.8V, I
TH
/RUN1 = I
TH
/RUN2 = 0V
V
IN
< UVLO Threshold
V
IN
Falling
V
IN
Rising
460
305
9
18
2.00
2.12
0.35
0.5
0.8
0.8
0.05
0.2
–0.2
10
0.88
20
40
40
120
780
470
28
30
2.50
2.55
0.5
0.85
0.816
0.826
0.20
0.8
–0.8
50
0.930
μ
A
μ
A
μ
A
μ
A
V
V
V
μ
A
V
V
G
1.55
1.70
0.2
0.25
0.784
0.774
Shutdown Threshold at I
TH
/RUN1, 2
Start-Up Current Source on I
TH
/RUN1, 2
Regulated Feedback Voltage
V
ITH
/RUN1, 2 = 0V
0
°
C to 70
°
C (Note 5), I
TH
/RUN = 1.3V
–40
°
C to 85
°
C (Note 5)
2.5V < V
IN
< 9.8V (Note 5)
I
TH
/RUN = 0.9V (Note 5)
I
TH
/RUN = 1.6V
(Note 5)
Measured at V
FB
G
G
Output Voltage Line Regulation
Output Voltage Load Regulation
mV/V
%
%
nA
V
mV
ns
ns
mV
V
FB1, 2
Input Current
Output Overvoltage Protect Threshold
Output Overvoltage Protect Hysteresis
Gate Drive 1, 2 Rise Time
Gate Drive 1, 2 Fall Time
Maximum Current Sense Voltage (SENSE
+
– SENSE
)
Soft-Start
Current Sense Voltage Step
Time to Maximum Sense Voltage
0.835
C
L
= 3000pF
C
L
= 3000pF
(Note 6)
95
145
30
2048
mV
Cycles
GN PART
MARKING
3701
Consult LTC Marketing for parts specified with wider operating temperature ranges.
相關(guān)PDF資料
PDF描述
LTC3708 No RSENSE Low EMI, Synchronous DC/DC Controller with Output Tracking
LTC3736 CTV 5C 5#20 SKT PLUG
LTC3736EGN Dual 2-Phase, No RSENSE Synchronous Controller with Output Tracking
LTC3736EUF Dual 2-Phase, No RSENSE Synchronous Controller with Output Tracking
LTC3808 16-Bit Bus Transceiver With 3-State Outputs 48-TVSOP -40 to 85
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LTC3701EGN 功能描述:IC REG CTRLR BUCK PWM CM 16-SSOP RoHS:否 類(lèi)別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 切換控制器 系列:PolyPhase® 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(pán) 包裝:帶卷 (TR)
LTC3701EGN#PBF 功能描述:IC REG CTRLR BUCK PWM CM 16-SSOP RoHS:是 類(lèi)別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 切換控制器 系列:PolyPhase® 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(chēng):LM3754SQDKR
LTC3701EGN#TR 功能描述:IC REG CTRLR BUCK PWM CM 16-SSOP RoHS:否 類(lèi)別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 切換控制器 系列:PolyPhase® 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(pán) 包裝:帶卷 (TR)
LTC3701EGN#TRPBF 功能描述:IC REG CTRLR BUCK PWM CM 16-SSOP RoHS:是 類(lèi)別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 切換控制器 系列:PolyPhase® 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(pán) 包裝:帶卷 (TR)
LTC3701EGNPBF 制造商:Linear Technology 功能描述:DC-DC Controller Dual Step-Dn 10V SSOP16