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参数资料
型号： LT1937ES5#PBF
厂商： LINEAR TECHNOLOGY CORP
元件分类： 稳压器
英文描述： 0.32 A SWITCHING REGULATOR, 1600 kHz SWITCHING FREQ-MAX, PDSO5
封装： PLASTIC, TSOT-23, 5 PIN
文件页数： 5/12页
文件大小： 355K
代理商： LT1937ES5#PBF
2
LT1937
1937f
Input Voltage (VIN) ................................................. 10V
SW Voltage ............................................................. 36V
FB Voltage .............................................................. 10V
SHDN Voltage ......................................................... 10V
TJMAX = 125°C, θJA = 256°C/ W IN FREE AIR
θJA = 120°C ON BOARD OVER GROUND PLANE
ABSOLUTE
AXI U
RATI GS
W
WW
U
PACKAGE/ORDER I FOR ATIO
UU
W
Consult LTC Marketing for parts specified with wider operating temperature ranges.
SW 1
GND 2
TOP VIEW
S5 PACKAGE
5-LEAD PLASTIC TSOT-23
FB 3
5 VIN
4 SHDN
ORDER PART
NUMBER
S5 PART MARKING
LT1937ES5
LTYN
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Minimum Operating Voltage
2.5
V
Maximum Operating Voltage
10
V
Feedback Voltage
ISW = 100mA, Duty Cycle = 66%
86
95
104
mV
FB Pin Bias Current
10
45
100
nA
Supply Current
1.9
2.5
mA
SHDN = 0V
0.1
1.0
A
Switching Frequency
0.8
1.2
1.6
MHz
Maximum Duty Cycle
85
90
%
Switch Current Limit
320
mA
Switch VCESAT
ISW = 250mA
350
mV
Switch Leakage Current
VSW = 5V
0.01
5
A
SHDN Voltage High
1.5
V
SHDN Voltage Low
0.4
V
SHDN Pin Bias Current
65
A
TA = 25°C, VIN = 3V, VSHDN = 3V, unless otherwise noted.
ELECTRICAL CHARACTERISTICS
Note 1: Absolute Maximum Ratings are those values beyond which the life
of the device may be impaired.
Note 2: The LT1937E is guaranteed to meet specifications from 0
°C to
70
°C. Specifications over the –40°C to 85°C operating temperature range
are assured by design, characterization and correlation with statistical
process controls.
Extended Commercial
Operating Temperature Range (Note 2) ... – 40
°C to 85°C
Maximum Junction Temperature .......................... 125
°C
Storage Temperature Range ................. – 65
°C to 150°C
Lead Temperature (Soldering, 10 sec).................. 300
°C
(Note 1)
ORDER PART
NUMBER
SC6 PART MARKING
LT1937ESC6
LAAB
SW 1
GND 2
FB 3
6 VIN
5 GND
4 SHDN
TOP VIEW
SC6 PACKAGE
6-LEAD PLASTIC SC70
TJMAX = 125°C, θJA = 256°C/ W IN FREE AIR
θJA = 150°C ON BOARD OVER GROUND PLANE
相关PDF资料
PDF描述
LT1937ES5#TR 0.32 A SWITCHING REGULATOR, 1600 kHz SWITCHING FREQ-MAX, PDSO5
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LT3484EDCB-2#PBF SPECIALTY ANALOG CIRCUIT, PDSO6
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LT1937ESC6#TRMPBF 功能描述:IC LED DRVR WHITE BCKLGT SC-70-6 RoHS:是 类别:集成电路 (IC) >> PMIC - LED 驱动器 系列:- 标准包装:6,000 系列:- 恒定电流:- 恒定电压:- 拓扑:开路漏极，PWM 输出数:4 内部驱动器:是 类型 - 主要:LED 闪烁器 类型 - 次要:- 频率:400kHz 电源电压:2.3 V ~ 5.5 V 输出电压:- 安装类型:表面贴装 封装/外壳:8-VFDFN 裸露焊盘 供应商设备封装:8-HVSON 包装:带卷 (TR) 工作温度:-40°C ~ 85°C 其它名称:935286881118PCA9553TK/02-TPCA9553TK/02-T-ND
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