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参数资料
| 型号： | LT1765-2.5 |
| 厂商： | Linear Technology Corporation |
| 元件分类： | 基准电压源/电流源 |
| 英文描述： | Isolated Flyback Switching Regulator with 9V Output |
| 中文描述： | 隔离反激式开关稳压9V输出 |
| 文件页数： | 2/20页 |
| 文件大小： | 247K |
| 代理商： | LT1765-2.5 |
LT1765/LT1765-1.8/LT1765-2.5/
LT1765-3.3/LT1765-5
2
sn1765 1765fas
Input Voltage .......................................................... 25V
BOOST Pin Above SW ............................................ 20V
Max BOOST Pin Voltage .......................................... 35V
SHDN Pin ............................................................... 25V
FB Pin Current ....................................................... 1mA
ABSOLUTEW
W
W
U
(Note 1)
SYNC Pin Current .................................................. 1mA
Operating Junction Temperature Range
(Note 2)........................................... –40
°
C to 125
°
C
Storage Temperature Range................ –65
°
C to 150
°
C
Lead Temperature (Soldering, 10 sec)................. 300
°
C
ORDER PART
NUMBER
S8 PART
MARKING
1765
LT1765ES8
PACKAGE/ORDER IU
U
W
Consult LTC Marketing for parts specified with wider operating temperature ranges.
T
JMAX
= 125
°
C,
θ
JA
= 90
°
C/W,
θ
JC(PIN 4)
= 30
°
C/W
GROUND PIN CONNECTED TO
LARGE COPPER AREA
TOP VIEW
SYNC
V
C
FB
SHDN
BOOST
V
IN
SW
GND
S8 PACKAGE
8-LEAD PLASTIC SO
1
2
3
4
8
7
6
5
FE PACKAGE
16-LEAD PLASTIC TSSOP
θ
JA
= 45
°
C/W,
θ
JC(PAD)
= 10
°
C/W
EXPOSED PAD SOLDERED TO LARGE
COPPER PLANE
1
2
3
4
5
6
7
8
TOP VIEW
16
15
14
13
12
11
10
9
GND
BOOST
V
IN
V
IN
SW
SW
NC
GND
GND
NC
SYNC
V
C
FB
SHDN
NC
GND
ELECTRICAL CHARACTERISTICS
The
G
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at T
A
= 25
°
C.
V
IN
= 15V, V
C
= 0.8V, Boost = V
IN
+ 5V, SHDN, SYNC and switch open unless otherwise noted.
PARAMETER
CONDITIONS
Maximum Switch Current Limit
Oscillator Frequency
3.3V < V
IN
< 25V
Switch On Voltage Drop
I = 3A
V
IN
Undervoltage Lockout
(Note 3)
V
IN
Supply Current
Shutdown Supply Current
V
SHDN
= 0V, V
IN
= 25V, V
SW
= 0V
MIN
3
1.1
TYP
4
1.25
270
2.6
1
15
MAX
6
1.6
430
2.73
1.3
35
55
1.218
1.224
1.836
2.55
3.366
5.1
UNITS
A
G
MHz
mV
G
G
2.47
V
G
mA
μ
A
μ
A
G
Feedback Voltage
3V < V
IN
< 25V, 0.4V < V
C
< 0.9V
(Note 3)
LT1765 (Adj)
1.182
1.176
1.764
2.45
3.234
4.9
1.2
V
V
V
V
V
V
G
LT1765-1.8
LT1765-2.5
LT1765-3.3
LT1765-5
G
1.8
2.5
3.3
5
G
G
G
ORDER PART
NUMBER
LT1765EFE
LT1765EFE-1.8
LT1765EFE-2.5
LT1765EFE-3.3
LT1765EFE-5
FE PART MARKING
1765EFE
1765EFE18
1765EFE25
1765EFE33
1765EFE-5
相关PDF资料 |
PDF描述 |
|---|---|
| LT1767-2.5 | Direct mounting on the PCB, Crimping connection, Discrete wire connectors; HRS No: 544-0063-6 00; No. of Positions: 15; Connector Type: Wire; Contact Gender: Male; Contact Spacing (mm): 2; Terminal Pitch (mm): 2; Termination Style: IDC; Current Rating(Amps)(Max.): 1; Contact Mating Area Plating: Tin; Operating Temperature Range (degrees C): -30 to 85; General Description: Housing; Straight; Direct PCB mounting; For AWG#26 |
| LT1767EMS8 | RADIATION HARDENED HIGH EFFICIENCY, 5 AMP SWITCHING REGULATORS |
| LT1767EMS8-1.8 | RADIATION HARDENED HIGH EFFICIENCY, 5 AMP SWITCHING REGULATORS |
| LT1767EMS8-2.5 | RADIATION HARDENED HIGH EFFICIENCY, 5 AMP SWITCHING REGULATORS |
| LT1767EMS8-3.3 | RADIATION HARDENED HIGH EFFICIENCY, 5 AMP SWITCHING REGULATORS |
相关代理商/技术参数 |
参数描述 |
|---|---|
| LT1765-3.3 | 制造商:LINER 制造商全称:Linear Technology 功能描述:Monolithic 3A, 1.25MHz Step-Down Switching Regulator |
| LT1765-5 | 制造商:LINER 制造商全称:Linear Technology 功能描述:Monolithic 3A, 1.25MHz Step-Down Switching Regulator |
| LT1765EFE | 功能描述:IC REG BUCK ADJ 3A 16TSSOP RoHS:否 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 开关稳压器 系列:- 设计资源:Design Support Tool 标准包装:1 系列:- 类型:升压（升压） 输出类型:固定 输出数:1 输出电压:3V 输入电压:0.75 V ~ 2 V PWM 型:- 频率 - 开关:- 电流 - 输出:100mA 同步整流器:是 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:SOT-23-5 细型，TSOT-23-5 包装:剪切带 (CT) 供应商设备封装:TSOT-23-5 其它名称:AS1323-BTTT-30CT |
| LT1765EFE#PBF | 功能描述:IC REG BUCK ADJ 3A 16TSSOP RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 开关稳压器 系列:- 标准包装:250 系列:- 类型:降压（降压） 输出类型:固定 输出数:1 输出电压:1.2V 输入电压:2.05 V ~ 6 V PWM 型:电压模式 频率 - 开关:2MHz 电流 - 输出:500mA 同步整流器:是 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:6-UFDFN 包装:带卷 (TR) 供应商设备封装:6-SON（1.45x1） 产品目录页面:1032 (CN2011-ZH PDF) 其它名称:296-25628-2 |
| LT1765EFE#TR | 功能描述:IC REG BUCK ADJ 3A 16TSSOP RoHS:否 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 开关稳压器 系列:- 设计资源:Design Support Tool 标准包装:1 系列:- 类型:升压（升压） 输出类型:固定 输出数:1 输出电压:3V 输入电压:0.75 V ~ 2 V PWM 型:- 频率 - 开关:- 电流 - 输出:100mA 同步整流器:是 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:SOT-23-5 细型，TSOT-23-5 包装:剪切带 (CT) 供应商设备封装:TSOT-23-5 其它名称:AS1323-BTTT-30CT |
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