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參數(shù)資料
| 型號： | LTC1436AIGN |
| 廠商： | LINEAR TECHNOLOGY CORP |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | RADIATION HARDENED HIGH EFFICIENCY, 5 AMP SWITCHING REGULATORS |
| 中文描述： | 2 A SWITCHING CONTROLLER, 400 kHz SWITCHING FREQ-MAX, PDSO24 |
| 封裝： | 0.150 INCH, PLASTIC, SSOP-24 |
| 文件頁數(shù)： | 7/28頁 |
| 文件大?。?/td> | 518K |
| 代理商： | LTC1436AIGN |
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7
LTC1436A
LTC1436A-PLL/LTC1437A
TYPICAL PERFOR
M
A
CE CHARACTERISTICS
U
Auxiliary Regulator
Sink Current Available
AUX DR VOLTAGE (V)
0
0
A
5
10
15
20
2
4
6
8
1436 G19
10
12
14
16
Auxiliary Regulator PSRR
FREQUENCY (kHz)
10
10
20
30
40
50
60
70
P
100
1000
1436 G20
10mA LOAD
100mA LOAD
PI
FU
CTIO
N
S
U
U
V
IN
:
Main Supply Pin. Must be closely decoupled to the
IC’s signal ground pin.
INTV
CC
:
Output of the Internal 5V Regulator and EXTV
CC
Switch. The driver and control circuits are powered from
this voltage. Must be closely decoupled to power ground
with a minimum of 2.2
μ
F tantalum or electrolytic capacitor.
DRV
CC
:
Bottom MOSFET Driver Supply Voltage.
EXTV
CC
:
Input to the Internal Switch Connected to INTV
CC
.
This switch closes and supplies V
CC
power whenever
EXTV
CC
is higher than 4.7V. See EXTV
CC
connection in
Applications Information section. Do not exceed 10V on
this pin. Connect to V
OUT
if V
OUT
≥
5V.
BOOST:
Supply to Topside Floating Driver. The bootstrap
capacitor is returned to this pin. Voltage swing at this pin
is from INTV
CC
to V
IN
+ INTV
CC
.
SW:
Switch Node Connection to Inductor. Voltage swing
at this pin is from a Schottky diode (external) voltage drop
below ground to V
IN
.
SGND:
Small Signal Ground. Must be routed separately
from other grounds to the (–) terminal of C
OUT
.
PGND:
Driver Power Ground. Connects to source of
bottom N-channel MOSFET and the (–) terminal of C
IN
.
SENSE
–
:
The (–) Input to the Current Comparator.
SENSE
+
:
The (+) Input to the Current Comparator. Built-
in offsets between SENSE
–
and SENSE
+
pins in conjunction
with R
SENSE
set the current trip thresholds.
V
OSENSE
:
Receives the remotely sensed feedback voltage
either from the output or from an external resistive divider
across the output . The V
PROG
pin determines which point
V
OSENSE
must connect to.
V
PROG
:
This voltage selects the output voltage. For V
PROG
< V
INTVCC
/3 the output is set to 3.3V with V
OSENSE
connected to the output. With V
PROG
> V
INTVCC
/1.5 the
output is set to 5V with V
OSENSE
connected to the output.
Leaving V
PROG
open (DC) allows the output voltage to be
set by an external resistive divider connected to V
OSENSE
.
C
OSC
: External capacitor C
OSC
from this pin to ground sets
the operating frequency.
I
TH
:
Error Amplifier Compensation Point. The current
comparator threshold increases with this control voltage.
Nominal voltage range for this pin is 0V to 2.5V.
RUN/SS:
Combination of Soft Start and Run Control
Inputs. A capacitor to ground at this pin sets the ramp time
to full current output. The time is approximately 0.5s/
μ
F.
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| LTC1436AIGN#PBF | 功能描述:IC REG CTRLR BUCK PWM CM 24-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:4,500 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 |
| LTC1436AIGN#TR | 功能描述:IC REG CTRLR BUCK PWM CM 24-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(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 |
| LTC1436AIGN#TRPBF | 功能描述:IC REG CTRLR BUCK PWM CM 24-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:4,500 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 |
| LTC1436AIGN-PLL | 功能描述:IC REG CTRLR BUCK PWM CM 24-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(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 |
| LTC1436AIGN-PLL#PBF | 功能描述:IC REG CTRLR BUCK PWM CM 24-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:4,500 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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