- 您现在的位置：买卖IC网 > PDF目录1831 > LTC3772EDDB#TRPBF (Linear Technology)IC REG CTRLR BUCK PWM CM 8-DFN PDF资料下载
参数资料
| 型号： | LTC3772EDDB#TRPBF |
| 厂商： | Linear Technology |
| 文件页数： | 2/20页 |
| 文件大小： | 0K |
| 描述： | IC REG CTRLR BUCK PWM CM 8-DFN |
| 标准包装： | 2,500 |
| PWM 型： | 电流模式 |
| 输出数： | 1 |
| 频率 - 最大： | 650kHz |
| 占空比： | 100% |
| 电源电压： | 2.75 V ~ 9.8 V |
| 降压： | 是 |
| 升压： | 无 |
| 回扫： | 无 |
| 反相： | 无 |
| 倍增器： | 无 |
| 除法器： | 无 |
| Cuk： | 无 |
| 隔离： | 无 |
| 工作温度： | -40°C ~ 85°C |
| 封装/外壳： | 8-WFDFN 裸露焊盘 |
| 包装： | 带卷 (TR) |
LTC3772
ABSOLUTE M AXI M U M RATINGS
(Note 1)
Input Supply Voltage (V IN )........................ – 0.3V to 10V
IPRG, PGATE Voltages ................ – 0.3V to (V IN + 0.3V)
V FB , I TH /RUN Voltages ............................. – 0.3V to 2.4V
SW Voltage ........... – 2V to (V IN + 1V) or 10V Maximum
PGATE Peak Output Current (<10 μ s) ........................ 1A
PACKAGE/ORDER I N FOR M ATIO N
Operating Temperature Range (Note 2) .. – 40 ° C to 85 ° C
Junction Temperature (Note 3) ............................ 125 ° C
Storage Temperature Range ................. – 65 ° C to 125 ° C
Lead Temperature (Soldering, 10 sec)
TSOT-23 ........................................................... 300 ° C
TOP VIEW
ORDER PART
NUMBER
ORDER PART
NUMBER
GND 1
V FB 2
I TH /RUN 3
9
8
7
6
PGATE
V IN
SW
LTC3772EDDB
I PRG 1
I TH /RUN 2
TOP VIEW
8 NC
7 SW
LTC3772ETS8
I PRG 4 5 NC
DDB PACKAGE
8-LEAD (3mm × 2mm) PLASTIC DFN
T JMAX = 125 ° C, θ JA = 76 ° C/W
DDB8 PART MARKING
LBNR
V FB 3 6 V IN
GND 4 5 PGATE
TS8 PACKAGE
8-LEAD PLASTIC TSOT-23
T JMAX = 125 ° C, θ JA = 230 ° C/W
TS8 PART MARKING
LTBNQ
EXPOSED PAD (PIN 9) IS GND
MUST BE SOLDERED TO PCB
Consult LTC Marketing for parts specified with wider operating temperature ranges.
ELECTRICAL CHARACTERISTICS
The ● indicates specifications which apply over the full operating
temperature range, otherwise specifications are at T A = 25 ° C. V IN = 4.2V unless otherwise noted. (Note 2)
PARAMETER
Input Voltage Range
CONDITIONS
●
MIN
2.75
TYP
MAX
9.8
UNITS
V
Input DC Supply Current
(Note 4)
Normal Operation
SLEEP Mode
Shutdown
UVLO
V ITH /RUN = 1.3V
V ITH /RUN = 0V
V IN < UVLO Threshold – 100mV
250
40
8
1
375
60
20
5
μ A
μ A
μ A
μ A
Undervoltage Lockout (UVLO) Threshold
Start-Up Current Source
V IN Rising
V IN Falling
V ITH /RUN = 0V
●
●
0.7
2.0
1.85
1.2
2.75
2.60
1.7
V
V
μ A
Shutdown Threshold (at I TH /RUN)
Regulated Feedback Voltage
Feedback Voltage Line Regulation
V ITH /RUN Rising
0 ° C ≤ T A ≤ 85 ° C (Note 5)
–40 ° C ≤ T A ≤ 85 ° C (Note 5)
2.75V ≤ V IN ≤ 9.8V (Note 5)
●
●
0.3
0.788
0.780
0.6
0.800
0.800
0.08
0.95
0.812
0.812
0.2
V
V
V
mV/V
Feedback Voltage Load Regulation
I TH /RUN = 1.6V (Note 5)
I TH /RUN = 1V (Note 5)
0.2
–0.2
%
%
3772f
2
相关PDF资料 |
PDF描述 |
|---|---|
| LTC3773EUHF#PBF | IC REG CTRLR BUCK PWM CM 38-QFN |
| LTC3775EMSE#PBF | IC REG CTRLR BUCK PWM VM 16-MSOP |
| LTC3776EGN#TRPBF | IC CNTRLR SYNC DUAL 24-SSOP |
| LTC3778EF#PBF | IC REG CTRLR BUCK PWM CM 20TSSOP |
| LTC3780IUH#PBF | IC REG CTRLR BST PWM CM 32-QFN |
相关代理商/技术参数 |
参数描述 |
|---|---|
| LTC3772ETS8 | 制造商:Linear Technology 功能描述:DC DC Cntrlr Single-OUT Step Down 2.75V to 9.8V Input 8-Pin TSOT-23 |
| LTC3772ETS8#PBF | 制造商:Linear Technology 功能描述:DC DC Cntrlr Single-OUT Step Down 2.75V to 9.8V Input 8-Pin TSOT-23 |
| LTC3772ETS8#TR | 制造商:Linear Technology 功能描述:DC DC Cntrlr Single-OUT Step Down 2.75V to 9.8V Input 8-Pin TSOT-23 T/R |
| LTC3772ETS8#TRM | 制造商:Linear Technology 功能描述:DC DC Cntrlr Single-OUT Step Down 2.75V to 9.8V Input 8-Pin TSOT-23 T/R |
| LTC3772ETS8#TRMPBF | 功能描述:IC REG CTRLR BUCK PWM TSOT23-8 RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 切换控制器 系列:- 标准包装:2,500 系列:- PWM 型:电流模式 输出数:1 频率 - 最大:500kHz 占空比:96% 电源电压:4 V ~ 36 V 降压:无 升压:是 回扫:无 反相:无 倍增器:无 除法器:无 Cuk:无 隔离:无 工作温度:-40°C ~ 125°C 封装/外壳:24-WQFN 裸露焊盘 包装:带卷 (TR) |
发布紧急采购，3分钟左右您将得到回复。