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| 型号： | LTC3703EGN#TRPBF |
| 厂商： | Linear Technology |
| 文件页数： | 4/34页 |
| 文件大小： | 0K |
| 描述： | IC REG CTRLR BST PWM VM 16-SSOP |
| 标准包装： | 2,500 |
| PWM 型： | 电压模式 |
| 输出数： | 1 |
| 频率 - 最大： | 330kHz |
| 占空比： | 96% |
| 电源电压： | 9.3 V ~ 15 V |
| 降压： | 是 |
| 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 ~ 85°C |
| 封装/外壳： | 16-SSOP（0.154"，3.90mm 宽） |
| 包装： | 带卷 (TR) |
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LTC3703
ELECTRICAL CHARACTERISTICS
Note 1: Stresses beyond those listed under Absolute Maximum Ratings
may cause permanent damage to the device. Exposure to any Absolute
Maximum Rating condition for extended periods may affect device
reliability and lifetime.
Note 2: The LTC3703E is guaranteed to meet performance specifications from
0°C to 85°C. Specifications over the –40°C to 85°C operating temperature
range are assured by design, characterization and correlation with statistical
process controls. The LTC3703I is guaranteed over the full –40°C to 125°C
operating junction temperature range. The LTC3703H is guaranteed over the
full –40°C to 150°C operating junction temperature range.
Note 3: T J is calculated from the ambient temperature T A and power
dissipation P D according to the following formula:
LTC3703: T J = T A + (P D ? 100 ° C/W) G Package
Note 4: The LTC3703 is tested in a feedback loop that servos V FB to the
reference voltage with the COMP pin forced to a voltage between 1V and 2V.
Note 5: The dynamic input supply current is higher due to the power
MOSFET gate charge being delivered at the switching frequency (Q G ? f OSC ).
Note 6: Guaranteed by design. Not subject to test.
Note 7: This IC includes overtemperature protection that is intended
to protect the device during momentary overload conditions. Junction
temperature will exceed 125°C when overtemperature protection is active.
Continuous operation above the specified maximum operating junction
temperature may impair device reliability.
Note 8: R DS(ON) guaranteed by correlation to wafer level measurement.
Note 9: High junction temperatures degrade operating lifetimes. Operating
lifetime at junction temperatures greater than 125°C is derated to 1000 hours.
Note 10: Transient voltages (such as due to inductive ringing) are allowed
beyond this range provided that the voltage does not exceed 10V below
ground and duration does not exceed 20ns per switching cycle.
TYPICAL PERFORMANCE CHARACTERISTICS T A = 25°C unless otherwise noted.
100
Efficiency vs Input Voltage
100
Efficiency vs Load Current
Load Transient Response
95
90
I OUT = 5A
95
90
V IN = 15V
V IN = 45V
V OUT
50mV/DIV
85
I OUT = 0.5A
85
V IN = 75V
I OUT
2A/DIV
80
80
75
70
0
V OUT = 12V
f = 300kHz
PULSE SKIP DISABLED
10 20 30 40
50
60
70
80
75
70
V OUT = 5V
f = 250kHz
PULSE SKIP ENABLED
0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0
V IN = 50V 50μs/DIV
V OUT = 12V
1A TO 5A LOAD STEP
3703 G03
INPUT VOLTAGE (V)
3703 G01
LOAD CURRENT (A)
3703 G02
3.5
3.0
2.5
V CC Current vs V CC Voltage
COMP = 1.5V
4
3
V CC Current vs Temperature
COMP = 1.5V
100
90
80
70
V CC Shutdown Current vs
V CC Voltage
2.0
60
1.5
1.0
0.5
V FB = 0V
2
1
V FB = 0V
50
40
30
20
10
0
6
8
10
12
14
16
0
–50 –25
0
25
50 75
100 125 150
0
6
8
10
12
14
16
V CC VOLTAGE (V)
3703 G04
TEMPERATURE (°C)
3703 G05
V CC VOLTAGE (V)
3703 G06
3703fc
4
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相关代理商/技术参数 |
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|---|---|
| LTC3703EGPBF | 制造商:Linear Technology 功能描述:LTC3703 100V SU/SD PS controller |
| LTC3703HGN | 制造商:Linear Technology 功能描述:DC DC Cntrlr Single-OUT Sync Step Down 9.3V to 100V Input 16-Pin SSOP N |
| LTC3703HGN#PBF | 功能描述:IC REG CTRLR BST PWM VM 16-SSOP 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) |
| LTC3703HGN#TRPBF | 功能描述:IC REG CTRLR BST PWM VM 16-SSOP 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) |
| LTC3703IG-5#PBF | 功能描述:IC REG CTRLR BST PWM VM 28-SSOP 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) |
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