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参数资料
| 型号： | LT1930ES5#TRM |
| 厂商： | Linear Technology |
| 文件页数： | 3/12页 |
| 文件大小： | 0K |
| 描述： | IC REG BOOST ADJ 1A TSOT23-5 |
| 标准包装： | 1 |
| 类型： | 升压（升压） |
| 输出类型： | 可调式 |
| 输出数： | 1 |
| 输出电压： | 1.26 V ~ 34 V |
| 输入电压： | 2.45 V ~ 16 V |
| PWM 型： | 电流模式 |
| 频率 - 开关： | 1.2MHz |
| 电流 - 输出： | 1A |
| 同步整流器： | 无 |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | SOT-23-5 细型，TSOT-23-5 |
| 包装： | 标准包装 |
| 供应商设备封装： | TSOT-23-5 |
| 其它名称： | LT1930ES5#TRMDKR |
LT1930/LT1930A
TYPICAL PERFOR A CE CHARACTERISTICS
7.0
Quiescent Current
1.28
FB Pin Voltage
90
SHDN Pin Current
6.5
6.0
5.5
5.0
NOT SWITCHING
LT1930A
1.27
1.26
1.25
80
70
60
50
40
LT1930A
4.5
4.0
3.5
LT1930
1.24
1.23
30
20
10
0
LT1930
3.0
–50
–25
0 25
50
75
100
1.22
–50
–25
0 25 50
75
100
–10
0
1
2
3
4
5
6
1.6
1.4
TEMPERATURE ( ° C)
Current Limit
1930/A G01
0.45
0.40
TEMPERATURE ( ° C)
Switch Saturation Voltage
1930/A G02
2.5
2.3
SHDN PIN VOLTAGE (V)
Oscillator Frequency
1930/A G03
1.2
1.0
0.8
0.6
0.4
0.2
0.35
0.30
0.25
0.20
0.15
0.10
0.05
2.1
1.9
1.7
1.5
1.3
1.1
0.9
0.7
LT1930A
LT1930
0
10
20
30
40
50
60
70
80
90
0
0
0.2
0.4
0.6
0.8
1.0
1.2
0.5
–50
–25
0
25 50
75
100
DUTY CYCLE (%)
PI FU CTIO S
1930/A G04
SWITCH CURRENT (A)
1930/A G05
TEMPERATURE ( ° C)
1930/A G06
SW (Pin 1): Switch Pin. Connect inductor/diode here.
Minimize trace area at this pin to reduce EMI.
GND (Pin 2): Ground. Tie directly to local ground plane.
SHDN (Pin 4): Shutdown Pin. Tie to 2.4V or more to enable
device. Ground to shut down.
V IN (Pin 5): Input Supply Pin. Must be locally bypassed.
FB (Pin 3): Feedback Pin. Reference voltage is 1.255V.
Connect resistive divider tap here. Minimize trace area at
FB. Set V OUT according to V OUT = 1.255V(1 + R1/R2).
3
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