参数资料
型号: LT3694IUFD-1#PBF
厂商: Linear Technology
文件页数: 2/28页
文件大小: 338K
描述: IC REG TRPL BUCK/LINEAR 28QFN
标准包装: 73
拓扑: 降压(降压)(1),线性(LDO)(2)
功能: 任何功能
输出数: 3
频率 - 开关: 250kHz ~ 2.5MHz
电压/电流 - 输出 1: 0.75 V ~ 16 V,2.6A
电压/电流 - 输出 2: 控制器
电压/电流 - 输出 3: 控制器
带 LED 驱动器:
带监控器:
带序列发生器:
电源电压: 4 V ~ 36 V
工作温度: -40°C ~ 125°C
安装类型: 表面贴装
封装/外壳: 28-WFQFN 裸露焊盘
供应商设备封装: 28-QFN(4x5)
包装: 管件
LT3694/LT3694-1
2
36941fb
ABSOLUTE MAXIMUM RATINGS
V
IN
, EN/UVLO (Note 6) ...............................0.3V to 70V
BST ...........................................................................55V
BST Above SW ..........................................................25V
PGOOD ......................................................................16V
TRK/SS, V
C
, FB, RT, SYNC Pins ...................................6V
BIAS, LIM2, LIM3 Pins ...............................................7V
(Note 1)
ORDER INFORMATION
LEAD FREE FINISH
TAPE AND REEL
PART MARKING*
PACKAGE DESCRIPTION
TEMPERATURE RANGE
LT3694EUFD#PBF
LT3694EUFD#TRPBF   3694
28-Lead (4mm ?5mm) Plastic QFN    40癈 to 125癈
LT3694IUFD#PBF
LT3694IUFD#TRPBF    3694
28-Lead (4mm ?5mm) Plastic QFN    40癈 to 125癈
LT3694EFE#PBF
LT3694EFE#TRPBF    LT3694FE
20-Lead Plastic TSSOP
40癈 to 125癈
LT3694IFE#PBF
LT3694IFE#TRPBF
LT3694FE
20-Lead Plastic TSSOP
40癈 to 125癈
LT3694-1EUFD#PBF    LT3694-1EUFD#TRPBF  36941
28-Lead (4mm ?5mm) Plastic QFN
40癈 to 125癈
LT3694-1IUFD#PBF
LT3694-1IUFD#TRPBF   36941
28-Lead (4mm ?5mm) Plastic QFN    40癈 to 125癈
LT3694-1EFE#PBF
LT3694-1EFE#TRPBF   LT3694FE-1
20-Lead Plastic TSSOP
40癈 to 125癈
LT3694-1IFE#PBF
LT3694-1IFE#TRPBF    LT3694FE-1
20-Lead Plastic TSSOP
40癈 to 125癈
Consult LTC Marketing for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container.
Consult LTC Marketing for information on non-standard lead based finish parts.
For more information on lead free part marking, go to: http://www.linear.com/leadfree/
For more information on tape and reel specifications, go to: http://www.linear.com/tapeandreel/
9
10
TOP VIEW
UFD PACKAGE
28-LEAD (4mm ?5mm) PLASTIC QFN
29
GND
11
12
13
28 27 26 25 24
14
23
6
5
4
3
2
1
EN/UVLO
SYNC (CLKOUT)
PGOOD
RT
TRK/SS1
TRK/SS2
FB2
DRV2
DA
BST
BIAS
V
C1
FB1
TRK/SS3
FB3
DRV3
7
17
18
19
20
21
22
16
8
15
 
?/DIV>
JA
 = 34癈/W
EXPOSED PAD (PIN 29) IS GND, MUST BE SOLDERED TO PCB
LT3694-1 PINOUT IS SHOWN IN PARENTHESIS
FE PACKAGE
20-LEAD PLASTIC TSSOP
1
2
3
4
5
6
7
8
9
10
TOP VIEW
20
19
18
17
16
15
14
13
12
11
V
IN
EN/UVLO
SYNC(CLKOUT)
PGOOD
RT
TRK/SS1
TRK/SS2
FB2
DRV2
LIM2
SW
DA
BST
BIAS
V
C1
FB1
TRK/SS3
FB3
DRV3
LIM3
21
GND
 
?/DIV>
JA
 = 38癈/W
EXPOSED PAD (PIN 21) IS GND, MUST BE SOLDERED TO PCB
LT3694-1 PINOUT IS SHOWN IN PARENTHESIS
PIN CONFIGURATION
Operating Junction Temperature Range (Notes 2 and 5)
  LT3694E .............................................40癈 to 125癈
  LT3694I ..............................................40癈 to 125癈
Storage Temperature Range ...................65癈 to 150癈
Lead Temperature (Soldering, 10 Sec)
  (TSSOP Only) ...................................................300癈
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