參數(shù)資料
型號(hào)： LTC3701EGN
廠商： LINEAR TECHNOLOGY CORP
元件分類： 穩(wěn)壓器
英文描述： 2-Phase, Low Input Voltage, Dual Step-Down DC/DC Controller
中文描述： 1 A DUAL SWITCHING CONTROLLER, 890 kHz SWITCHING FREQ-MAX, PDSO16
封裝： 0.150 INCH, PLASTIC, SSOP-16
文件頁(yè)數(shù)： 2/20頁(yè)
文件大?。?/td> 250K
代理商： LTC3701EGN
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.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LTC3701EGN#PBF 功能描述:IC REG CTRLR BUCK PWM CM 16-SSOP RoHS:是 類別: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 回掃:無 反相:無 倍增器:無 除法器:無 Cuk:無 隔離:無 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
LTC3701EGN#TR 功能描述:IC REG CTRLR BUCK PWM CM 16-SSOP RoHS:否 類別: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 升壓:是 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:24-WQFN 裸露焊盤 包裝:帶卷 (TR)
LTC3701EGN#TRPBF 功能描述:IC REG CTRLR BUCK PWM CM 16-SSOP RoHS:是 類別: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 升壓:是 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:24-WQFN 裸露焊盤 包裝:帶卷 (TR)
LTC3701EGNPBF 制造商:Linear Technology 功能描述:DC-DC Controller Dual Step-Dn 10V SSOP16
LTC3701EGNTRPBF 制造商:LINEAR TECHNOLGY 功能描述:
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