参数资料
型号: LTC1983ES6-5#TRPBF
厂商: Linear Technology
文件页数: 5/12页
文件大小: 0K
描述: IC REG SWITCHD CAP INV -5V SOT23
标准包装: 2,500
类型: 切换式电容器(充电泵),反相
输出类型: 固定
输出数: 1
输出电压: -5V
输入电压: 2.3 V ~ 5.5 V
PWM 型: Burst Mode?
频率 - 开关: 900kHz
电流 - 输出: 100mA
同步整流器:
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: SOT-23-6 细型,TSOT-23-6
包装: 带卷 (TR)
供应商设备封装: TSOT-23-6
LTC1983-3/LTC1983-5
PI FU CTIO S
V IN (Pin 1): Charge Pump Input Voltage. May be between
2.3V and 5.5V. V IN should be bypassed with a ≥ 4.7 μ F low
ESR capacitor as close as possible to the pin for best
performance.
V OUT (Pin 2): Regulated Output Voltage for the IC. V OUT
should be bypassed with a ≥ 4.7 μ F low ESR capacitor as
close as possible to the pin for best performance.
C + (Pin 3): Charge Pump Flying Capacitor Positive Termi-
nal. This node is switched between V IN and GND (It is
C – (Pin 4): Charge Pump Flying Capacitor Negative Termi-
nal. This node is switched between GND and V OUT (It is
connected to GND during shutdown).
GND (Pin 5): Signal and Power Ground for the 6-Pin
SOT-23 package. This pin should be tied to a ground plane
for best performance.
SHDN (Pin 6): Shutdown. Grounding this pin shuts down
the IC. Tie to V IN to enable. This pin should not be pulled
above the V IN voltage or below GND.
connected to V CC during shutdown).
BLOCK DIAGRA
LTC1983-X
V IN
C +
S1A
C IN
10 μ F
C FLY
1 μ F
C –
S2A
S1B
CLOCK1
CONTROL
LOGIC
V REF
SHDN
CLOCK2
V OUT
S2B
C OUT
10 μ F
CHARGE PUMP
COMP1
1 μ A
1983 BD
1983fa
5
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