MAX660CSA Ver la hoja de datos (PDF) - Maxim Integrated
Número de pieza
componentes Descripción
Fabricante
MAX660CSA Datasheet PDF : 12 Pages
| |||
CMOS Monolithic Voltage Converter
OUTPUT CURRENT vs. CAPACITANCE:
VIN = +4.5V, VOUT = -4V
120
FC = V+
100 OSC = OPEN
80
60
40
20
0
0.33 1.0 2.0 2.2 4.7 10 22 47 100 220
CAPACITANCE (µF)
OUTPUT CURRENT vs. CAPACITANCE:
60
VIN = +3.0V, VOUT = -2.7V
FC = V+
50
OSC = OPEN
40
30
20
10
0
0.33 1.0 2.0 2.2 4.7 10 22 47 100 220
CAPACITANCE (µF)
OUTPUT CURRENT vs. CAPACITANCE:
VIN = +4.5V, VOUT = -3.5V
250
200
FC = V+
OSC = OPEN
150
100
50
0
0.33 1.0 2.0 2.2 4.7 10 22 47 100 220
CAPACITANCE (µF)
OUTPUT CURRENT vs. CAPACITANCE:
VIN = +3.0V, VOUT = -2.4V
120
FC = V+
100 OSC = OPEN
80
60
40
20
0
0.33 1.0 2.0 2.2 4.7 10 22 47 100 220
CAPACITANCE (µF)
______________________________________________________________Pin Description
PIN
NAME
NAME
INVERTER
FUNCTION
DOUBLER
Frequency Control for internal oscillator, FC = open,
1
FC
fOSC = 10kHz typ; FC = V+, fOSC = 80kHz typ (40kHz min), Same as Inverter
FC has no effect when OSC pin is driven externally.
2
CAP+ Charge-Pump Capacitor, Positive Terminal
3
GND
Power-Supply Ground Input
Same as Inverter
Power-Supply Positive Voltage Input
4
CAP- Charge-Pump Capacitor, Negative Terminal
Same as Inverter
5
OUT
Output, Negative Voltage
Power-Supply Ground Input
Low-Voltage Operation Input. Tie LV to GND when input
6
LV
voltage is less than 3V. Above 3V, LV may be connected to
GND or left open; when overdriving OSC, LV must be
LV must be tied to OUT for all input
voltages.
connected to GND.
Oscillator Control Input. OSC is connected to an internal
7
OSC
15pF capacitor. An external capacitor can be added to slow Same as Inverter; however, do not over-
the oscillator. Take care to minimize stray capacitance. An drive OSC in voltage-doubling mode.
external oscillator may also be connected to overdrive OSC.
8
V+
Power-Supply Positive Voltage Input
Positive Voltage Output
_______________________________________________________________________________________ 5
Share Link: 