- 您现在的位置：买卖IC网 > PDF目录15274 > LTC1149CS-5#PBF (Linear Technology)IC REG CTRLR BUCK PWM CM 16-SOIC PDF资料下载
参数资料
| 型号： | LTC1149CS-5#PBF |
| 厂商： | Linear Technology |
| 文件页数： | 2/20页 |
| 文件大小： | 0K |
| 描述： | IC REG CTRLR BUCK PWM CM 16-SOIC |
| 标准包装： | 50 |
| PWM 型： | 电流模式 |
| 输出数： | 1 |
| 频率 - 最大： | 250kHz |
| 占空比： | 100% |
| 电源电压： | 最高 48V |
| 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： | 0°C ~ 70°C |
| 封装/外壳： | 16-SOIC（0.154"，3.90mm 宽） |
| 包装： | 管件 |
LTC1149
LTC1149-3.3/LTC1149-5
A BSOLUTE
A XI U
R A TI G S
PACKAGE/ORDER I FOR ATIO
ORDER PART
V IN
LTC1149CN
V CC
LTC1149CN-3.3
V CC
LTC1149CN-5
C T
LTC1149CS
V FB /
10 SHDN1*
I TH
LTC1149CS-3.3
LTC1149CS-5
Input Supply Voltage (Pin 2)...................... – 15V to 60V
V CC Output Current (Pin 3) .................................. 50mA
V CC Input Voltage (Pin 5)........................................ 16V
Continuous Output Current (Pins 4, 13) .............. 50mA
Sense Voltages (Pins 8, 9)
V IN ≥ 12.7V .......................................... 13V to – 0.3V
V IN < 12.7V ............................. (V CC + 0.3V) to – 0.3V
Shutdown Voltages (Pins 10, 15) ............................. 7V
Operating Temperature Range .................... 0 ° C to 70 ° C
Extended Commercial
Temperature Range ............................... – 40 ° C to 85 ° C
Junction Temperature (Note 1) ............................ 125 ° C
Storage Temperature Range ................ – 65 ° C to 150 ° C
Lead Temperature (Soldering, 10 sec)................. 300 ° C
TOP VIEW
PGATE 1 16 CAP NUMBER
2 15 SHDN2
3 14 RGND
PDRIVE 4 13 NGATE
5 12 PGND
6 11 SGND
7
SENSE – 8 9 SENSE +
N PACKAGE S PACKAGE
16-LEAD PDIP 16-LEAD PLASTIC SO
*FIXED OUTPUT VERSIONS
T JMAX = 125 ° C, θ JA = 70 ° C/ W (N)
T JMAX = 125 ° C, θ JA = 110 ° C/ W (S)
Consult factory for Industrial and Military grade parts.
ELECTRICAL C HARA C TERISTICS
T A = 25 ° C, V IN = 12V, V 10 = 0V (Note 2), unless otherwise noted.
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
V 10
I 10
Feedback Voltage (LTC1149 Only)
Feedback Current (LTC1149 Only)
V IN = 9V
q
q
1.21
1.25
0.2
1.29
1
V
μ A
V OUT
Regulated Output Voltage
V IN = 9V
LTC1149-3.3
LTC1149-5
I LOAD = 700mA
I LOAD = 700mA
q
q
3.23
4.9
3.33
5.05
3.43
5.2
V
V
? V OUT
Output Voltage Line Regulation
V IN = 9V to 48V, I LOAD = 50mA
– 40
0
40
mV
Output Voltage Load Regulation
LTC1149-3.3
LTC1149-5
Burst Mode Output Ripple
5mA < I LOAD < 2A
5mA < I LOAD < 2A
I LOAD = 0A
q
q
40
60
50
65
100
mV
mV
mV P-P
I 2
Input DC Supply Current (Note 3)
Normal Mode
Burst Mode
Shutdown
V IN = 12V
V IN = 48V
V IN = 12V
V IN = 48V
V IN = 12V, V 15 = 2V
V IN = 48V, V 15 = 2V
2.0
2.2
0.6
0.8
135
300
2.8
3.0
0.9
1.1
170
390
mA
mA
mA
mA
μ A
μ A
V CC
Internal Regulator Voltage
V IN = 12V to 48V
q
9.75
10.25
11
V
(Sets MOSFET Gate Drive Levels)
I 3 = 20mA
V 2 – V 3
V CC Dropout Voltage
V IN = 5V, I 3 = 10mA
200
250
mV
V IN – V 1
P-Gate to Source Voltage (Off)
V IN = 12V
V IN = 48V
q
q
– 0.2
– 0.2
0
0
V
V
2
相关PDF资料 |
PDF描述 |
|---|---|
| LTC1149CS-5 | IC REG CTRLR BUCK PWM CM 16-SOIC |
| EYM22DRST | CONN EDGECARD 44POS DIP .156 SLD |
| EGM22DRST | CONN EDGECARD 44POS DIP .156 SLD |
| LTC3708EUH | IC REG CTRLR BUCK PWM CM 32-QFN |
| LTC3802EUH#PBF | IC REG CTRLR BUCK PWM VM 32-QFN |
相关代理商/技术参数 |
参数描述 |
|---|---|
| LTC1149CSPBF | 制造商:Linear Technology 功能描述:DC-DC Controller Step-Down 48V SOIC16 |
| LTC1150 | 制造商:LINER 制造商全称:Linear Technology 功能描述:15V CHOPPER STABILIZED OPERATIONAL AMPLIFIER WITH INTERNAL CAPACITORS |
| LTC1150_03 | 制造商:LINER 制造商全称:Linear Technology 功能描述:【15V Zero-Drift Operational Amplifier with Internal Capacitors |
| LTC1150C | 制造商:LINER 制造商全称:Linear Technology 功能描述:+-15V Chopper Stabilized Operational Amplifier with Internal Capacitors |
| LTC1150CH | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Chopper-Stabilized Operational Amplifier |
发布紧急采购，3分钟左右您将得到回复。