参数资料
型号: LT3956EUHE#TRPBF
厂商: LINEAR TECHNOLOGY CORP
元件分类: 稳压器
英文描述: SWITCHING REGULATOR, PQCC36
封装: 5 X 6 MM, LEAD FREE, PLASTIC, QFN-36
文件页数: 17/20页
文件大小: 1424K
代理商: LT3956EUHE#TRPBF
LT3956
3956f
Typical perForMance characTerisTics
Quiescent Current
vs Switching Frequency
INTVCC Current Limit
vs Temperature
INTVCC Voltage vs Temperature
TA = 25°C, unless otherwise noted.
INTVCC Dropout Voltage
vs INTVCC Current
SW Pin Current Limit
vs Duty Cycle
LED Current Sense Threshold
vs FB Voltage
0
4
8
12
2
6
10
3956 G13
V IN
CURRENT
(mA)
SWITCHING FREQUENCY (kHz)
0
400
800
200
600
1000
3956 G14
INTV
CC
CURRENT
LIMIT
(mA)
TEMPERATURE (°C)
10
14
20
12
16
18
–50
0
50
75
–25
25
100 125
NOT SWITCHING
3956 G15
INTV
CC
(V)
TEMPERATURE (°C)
–50
0
50
75
–25
25
100 125
7.0
7.2
7.4
7.1
7.3
DUTY CYCLE (%)
2.5
SW
PIN
CURRENT
LIMIT
(A)
3.5
4.5
3.0
4.0
3956 G16
0
25
50
75
100
FB VOLTAGE (V)
3956 G17
1.2
1.22
1.24
1.26
1.28
0
125.0
312.5
62.50
187.5
250.0
V (IS
P–
ISN)
THRESHOLD
(mV)
VCTRL = 2V
LDO CURRENT (mA)
0
–2.5
LDO
DROPOUT
(V)
–2.0
–1.5
–1.0
–0.5
0
3
6
9
12
15
3956 G18
–40°C
25°C
125°C
PWMOUT Waveform
Switch On-Resistance
vs Temperature
ISP/ISN Input Bias Current
vs CTRL Voltage
CTRL (V)
0
INPUT
BIAS
CURRENT
(A)
40
80
20
60
3956 G19
0
0.5
1
1.5
2
ISP
ISN
TEMPERATURE (°C)
–50
ON-RESIST
ANCE
(m) 120
140
160
100
80
–25
25
0
50
75
100 125
20
0
60
180
40
3956 G20
200ns/DIV
PWM
INPUT
PWMOUT
5V/DIV
3956 G21
CPWMOUT = 2.2nF
相关PDF资料
PDF描述
LTC6992IS6-4#TRPBF 0.02 A SWITCHING CONTROLLER, PDSO6
LT1009CPK 1-OUTPUT TWO TERM VOLTAGE REFERENCE, 2.5 V, PSSO3
LM9140AXZ-4.1 1-OUTPUT TWO TERM VOLTAGE REFERENCE, 4.096 V, PBCY3
LPB15DP 2-OUTPUT 75 W DC-DC REG PWR SUPPLY MODULE
LM4576-3.3BT-LB02 3.5 A SWITCHING REGULATOR, 200 kHz SWITCHING FREQ-MAX, PSFM5
相关代理商/技术参数
参数描述
LT3956IUHE#PBF 功能描述:IC LED DVR BUCK BOOST 36-VQFN 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
LT3956IUHE#TRPBF 功能描述:IC LED DVR BUCK BOOST 36-VQFN 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
LT3956IUHE-PBF 制造商:LINER 制造商全称:Linear Technology 功能描述:80VIN, 80VOUT Constant-Current, Constant-Voltage Converter
LT3956IUHE-TRPBF 制造商:LINER 制造商全称:Linear Technology 功能描述:80VIN, 80VOUT Constant-Current, Constant-Voltage Converter
LT3957 制造商:LINER 制造商全称:Linear Technology 功能描述:Wide Input Voltage Range