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| 型号： | LTC3537EUD#TRPBF |
| 厂商： | Linear Technology |
| 文件页数： | 2/22页 |
| 文件大小： | 314K |
| 描述： | IC REG DL BST/LINEAR SYNC 16-QFN |
| 标准包装： | 2,500 |
| 拓扑： | 升压（升压）同步（1），线性（LDO）（1） |
| 功能： | 任何功能 |
| 输出数： | 2 |
| 频率 - 开关： | 2.2MHz |
| 电压/电流 - 输出 1： | 1.5 V ~ 5.25 V，100mA |
| 电压/电流 - 输出 2： | 0.6 V ~ 5 V，100mA |
| 带 LED 驱动器： | 无 |
| 带监控器： | 无 |
| 带序列发生器： | 是 |
| 电源电压： | 0.68 V ~ 5.5 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-WFQFN 裸露焊盘 |
| 供应商设备封装： | 16-QFN-EP（3x3） |
| 包装： | 带卷 (TR) |
LTC3537
2
3537fd
PIN CONFIGURATION
ABSOLUTE MAXIMUM RATINGS
V
INB
and V
INL
Voltage ...................................0.3V to 6V
SW DC Voltage .............................................0.3V to 6V
SW Pulsed (<100ns) Voltage .......................0.3V to 7V
FBB, FBL, PGDB, PGDL Voltage ...................0.3V to 6V
MODE, ENBST, ENLDO Voltage ...................0.3V to 6V
LBI and LBO Voltage ....................................0.3V to 6V
V
OUTB
, V
OLDO
...............................................0.3V to 6V
Operating Temperature (Notes 2, 5) .........40癈 to 85癈
Junction Temperature ...........................................125癈
Storage Temperature Range ...................65癈 to 125癈
(Note 1)
16
15
14
13
5
6
7
8
TOP VIEW
UD PACKAGE
16-LEAD (3mm ?3mm) PLASTIC QFN
9
17
10
11
12
4
3
2
1
MODE
LBI
SGND
V
INB
V
INL
V
OLDO
FBL
FBB
T
JMAX
= 125癈, ?/DIV>
JA
= 68癈/W (Note 6)
EXPOSED PAD (PIN 17) IS GND, MUST BE SOLDERED TO PCB
ORDER INFORMATION
LEAD FREE FINISH
TAPE AND REEL
PART MARKING
PACKAGE DESCRIPTION
TEMPERATURE RANGE
LTC3537EUD#PBF
LTC3537EUD#TRPBF LDBD
16-Lead (3mm ?3mm) Plastic QFN 40癈 to 85癈
Consult LTC Marketing for parts speci ed with wider operating temperature ranges.
Consult LTC Marketing for information on non-standard lead based nish parts.
For more information on lead free part marking, go to: http://www.linear.com/leadfree/
For more information on tape and reel speci cations, go to: http://www.linear.com/tapeandreel/
ELECTRICAL CHARACTERISTICS
The l denotes the speci cations which apply over the full operating
temperature range, otherwise speci cations are at T
A
= 25癈. V
INB
= 1.2V, V
OUTB
= 3.3V, unless otherwise noted.
SYMBOL PARAMETER
CONDITIONS
MIN TYP MAX UNITS
Boost Converter
V
INMIN
Minimum Start-Up Voltage I
LOAD
= 1mA
0.68 0.8
V
V
OUTB
Output Voltage Range
l 1.5
5.25
V
V
FBB
Feedback Voltage
l 1.179 1.21 1.240
V
I
FBB
Feedback Input Current
1 50
nA
I
QSHDN
Quiescent Current - Shutdown V
ENBST
= V
ENLDO
= 0V, Not Including SW Leakage,
V
OUTB
= 0V
0.02 1
糀
I
QACTIVE
Quiescent Current - Active Measured on V
OUTB
, Nonswitching, MODE = 1.2V,
V
ENLDO
= 0V
300 500
糀
I
QBURST
Quiescent Current - Burst Measured on V
OUTB
, FBB >1.24V, MODE = 1.2V,
V
ENLDO
= 0V
15
糀
I
NLEAK
NMOS Switch Leakage Current V
SW
= 5V
0.1 5
糀
I
PLEAK
PMOS Switch Leakage Current V
SW
= 5V, V
OUTB
= 0V
0.1 10
糀
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