参数资料
型号: LTC660CS8#TRPBF
厂商: Linear Technology
文件页数: 5/12页
文件大小: 0K
描述: IC REG DBL INV ADJ 0.1A 8SOIC
标准包装: 2,500
类型: 倍增器,反相
输出类型: 可调式
输出数: 1
输出电压: -1.5 V ~ -5.5 V,5 V ~ 11 V
输入电压: 1.5 V ~ 5.5 V,2.5 V ~ 5.5 V
频率 - 开关: 10kHz,80kHz
电流 - 输出: 100mA
同步整流器:
工作温度: 0°C ~ 70°C
安装类型: 表面贴装
封装/外壳: 8-SOIC(0.154",3.90mm 宽)
包装: 带卷 (TR)
供应商设备封装: 8-SOIC
LTC660
PI N FU N CTIO N S
PIN
1
NAME
BOOST
INVERTER
Internal Oscillator Frequency Control Pin.
DOUBLER
Same
BOOST = Open, f OSC = 10kHz typ;
BOOST = V + , f OSC = 80kHz typ; when OSC is driven
externally BOOST has no effect.
2
3
4
5
6
CAP +
GND
CAP –
V OUT
LV
Positive Terminal for Charge Pump Capacitor
Power Supply Ground Input
Negative Terminal for Charge Pump Capacitor
Negative Voltage Output
Tie LV to GND when the input voltage is less than 3V.
Same
Positive Voltage Input
Same
Power Supply Ground Input
LV must be tied to V OUT for all input voltages.
LV may be connected to GND or left open for input
voltages above 3V. Connect LV to GND when
overdriving OSC.
7
OSC
An external capacitor can be connected to this pin to
slow the oscillator frequency. Keep stray capacitance
Same except standard logic levels will not be able to
overdrive OSC pin.
to a minimum. An external oscillator can be applied
to this pin to overdrive the internal oscillator.
8
V +
Positive Voltage Input
Positive Voltage Output
TEST CIRCUIT
V +
1
2
8
7
I S
V +
5V
EXTERNAL
+
C1
150 μ F
3
4
LTC660
6
5
C OSC
OSCILLATOR
R L
I L
C1
150 μ F
LTC660 ? F01
V OUT
Figure 1. Test Circuit
5
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