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PDF CYT101 Data sheet ( Hoja de datos )
| Número de pieza | CYT101 | |
| Descripción | Voltage and Current Controller | |
| Fabricantes | CYT | |
| Logotipo |  |
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Voltage and Current Controller
CYT101
FEATURES
Two ored error amplifiers with built-in current
generator with enable/disable function.
1.24V series voltage reference with trimmed 1%
tolerance (CYT101A).
4.5 to 32V supply voltage range.
5kV ESD protection.
Temperature-compensated.
DESCRIPTION
The CYT101/CYT101A provide a pin-for-pin
replacement of TSM101/A. This is an 8-pin voltage
& current controller incorporates a trimmed series
bandgap voltage reference, two ored error amplifiers
and a current source.
This IC provides a feedback to the primary side of a
power supply by comparing the DC voltage and the
current level at the output to an internal reference.
The controlled current generator can be used to
modify the level of current limitation by offsetting the
information coming from the current sensing
resistor.
The CYT101/A can be used in every types of
application requiring a precision voltage regulation
and current limitation. For example, designers can
save space by using this 8-pin IC for a CC/CV mode
battery charger.
D
DIP8
(8-Pin Plastic DIP)
M
SO8
(8-Pin Plastic SOIC)
ORDER INFORMATION
ORDER CODE
CYT101AM/D
CYT101M/D
Temperature Bandgap
Range
Tolerance
0, +125℃
1%
2.5%
PIN CONFIGURATION
Vref 1
8 +Vcc
APPLICATIONS
This circuit is designed to be used in battery
chargers with a constant voltage and a limited
output current.
It can be used in every types of application requiring
a precision voltage regulation and current limitation.
Other application include voltage supervisors, over
voltage protection…
EN 2
Iref 3
GND 4
7 Vfb
+-
6 OUTPUT
- + 5 Ifb
PIN DESCRIPTION
Pin Name
1 VREF
2 EN
3 IREF
4 GND
5 IFB
6 OUTPUT
7 VFB
8 VCC
I/O Function
O Trimmed Voltage Reference Output 1.24V, 10mA max.
I Current source enable input. This current source can be used to
Offset the voltage measurement on the sense resistor and therefore to modify
the charge current. The current source is enabled when the
Input voltage on pin 2 is lower than 0.8V
I Current Limitation Reference Input
I Ground
I Current Limitation Loop Input, connected to the sense resistor
O
Output pin common to the voltage regulation and current limitation
Loops.
I
Inverting input of the voltage error amp, The non-inverting input is from VREF,
1.24V
I Power Supply Input
Preliminary and all contents are subject to change without prior notice.
1
1 page | ||
| Páginas | Total 3 Páginas | |
| PDF Descargar | [ Datasheet CYT101.PDF ] | |
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