參數(shù)資料
型號： LTC1624CS8
廠商： LINEAR TECHNOLOGY CORP
元件分類： 穩(wěn)壓器
英文描述： 8-Bit, 40 kSPS ADC Serial Out, Low Power, Compatible to TLC540/545/1540, Single Ch. 8-SO
中文描述： 2 A SWITCHING CONTROLLER, 225 kHz SWITCHING FREQ-MAX, PDSO8
封裝： 0.150 INCH, PLASTIC, SOP-8
文件頁數(shù)： 2/28頁
文件大?。?/td> 490K
代理商： LTC1624CS8
2
LTC1624
ABSOLUTE
AXI
U
RATIU
W
Input Supply Voltage (V
IN
).........................36V to –0.3V
Topside Driver Supply Voltage (BOOST)....42V to –0.3V
Switch Voltage (SW)..................................36V to –0.6V
Differential Boost Voltage
(BOOST to SW) ....................................7.8V to –0.3V
SENSE
–
Voltage
V
IN
< 15V..................................(V
IN
+ 0.3V) to –0.3V
V
IN
≥
15V .......................... (V
IN
+0.3V) to (V
IN
–15V)
I
TH
/RUN, V
FB
Voltages ............................ 2.7V to –0.3V
Peak Driver Output Current < 10
μ
s (TG).................... 2A
Operating Temperature Range
LTC1624CS ............................................0
°
C to 70
°
C
LTC1624IS......................................... –40
°
C to 85
°
C
Junction Temperature (Note 1).............................125
°
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
ORDER PART
NUMBER
S8 PART MARKING
TOP VIEW
V
IN
BOOST
TG
SW
SENSE
–
I
TH
/RUN
V
FB
GND
S8 PACKAGE
8-LEAD PLASTIC SO
1
2
3
4
8
7
6
5
T
JMAX
= 125
°
C,
θ
JA
= 110
°
C/W
LTC1624CS8
LTC1624IS8
1624
1624I
Consult factory for Military grade parts.
ELECTRICAL CHARACTERISTICS
T
A
= 25
°
C, V
IN
= 15V, unless otherwise noted.
SYMBOL
PARAMETER
Main Control Loop
I
IN
V
FB
Feedback Current
V
FB
Feedback Voltage
V
LINE REG
Reference Voltage Line Regulation
V
LOAD REG
Output Voltage Load Regulation
CONDITIONS
MIN
TYP
MAX
UNITS
(Note 2)
(Note 2)
V
IN
= 3.6V to 20V (Note 2)
(Note 2)
I
TH
Sinking 5
μ
A
I
TH
Sourcing 5
μ
A
10
1.19
0.002
50
nA
V
G
1.1781
1.2019
0.01
%/V
G
G
0.5
–0.5
1.28
0.8
–0.8
1.32
%
%
V
V
OVL
I
Q
Output Overvoltage Lockout
Input DC Supply Current
Normal Mode
Shutdown
Run Threshold
Run Current Source
Run Pullup Current
Maximum Current Sense Threshold
TG Transition Time
Rise Time
Fall Time
Oscillator Frequency
Boost Voltage
Boost Load Regulation
1.24
(Note 3)
550
16
0.8
–2.5
–160
160
900
30
μ
A
μ
A
V
μ
A
μ
A
mV
V
ITH/RUN
= 0V
V
ITH/RUN
I
ITH/RUN
0.6
–0.8
–50
145
V
ITH/RUN
= 0.3V
V
ITH/RUN
= 1V
V
FB
= 1.0V
–5.0
–350
185
V
SENSE(MAX)
TG t
r
TG t
f
f
OSC
V
BOOST
V
BOOST
C
LOAD
= 3000pF
C
LOAD
= 3000pF
50
50
200
5.15
3
150
150
225
5.5
5
ns
ns
G
175
4.8
kHz
SW = 0V, I
BOOST
= 5mA, V
IN
= 8V
SW = 0V, I
BOOST
= 2mA to 20mA
V
%
T
J
= T
A
+ (P
D
110
°
C/W)
Note 2:
The LTC1624 is tested in a feedback loop which servos V
FB
to
the midpoint for the error amplifier (V
ITH
= 1.8V).
Note 3:
Dynamic supply current is higher due to the gate charge being
delivered at the switching frequency. See Applications Information.
The
G
denotes specifications which apply over the full operating
temperature range.
LTC1624CS: 0
°
C
≤
T
A
≤
70
°
C
LTC1624IS: –40
°
C
≤
T
A
≤
85
°
C
Note 1:
T
J
is calculated from the ambient temperature T
A
and power
dissipation P
D
according to the following formula:
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LTC1624CS8#PBF 功能描述:IC REG CTRLR BST FLYBK INV 8SOIC 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 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)品目錄頁面:1303 (CN2011-ZH PDF) 其它名稱:LM3754SQDKR
LTC1624CS8#TR 功能描述:IC REG CTRLR BST FLYBK INV 8SOIC 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 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)
LTC1624CS8#TRPBF 功能描述:IC REG CTRLR BST FLYBK INV 8SOIC 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: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)
LTC1624CS8PBF 制造商:Linear Technology 功能描述:LTC1624CS8PBF
LTC1624IS8 功能描述:IC REG CTRLR BST FLYBK INV 8SOIC 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 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
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