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PDF P2172 Data sheet ( Hoja de datos )
| Número de pieza | P2172 | |
| Descripción | 1.25A HIGH EFFICIENCY SWITCHING REGULATORS | |
| Fabricantes | Unisonic Technologies | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de P2172 (archivo pdf) en la parte inferior de esta página. Total 7 Páginas | ||
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UNISONIC TECHNOLOGIES CO., LTD
P2172
Preliminary
LINEAR INTEGRATED CIRCUIT
100KHZ, 1.25A HIGH
EFFICIENCY SWITCHING
REGULATORS
DESCRIPTION
The UTC P2172 is monolithic high power switching regulators.
It can be operated in all standard switching configurations
including boost, buck, fly-back, forward, inverting and “Cuk.”
By utilizing current-mode switching techniques, they provide
excellent AC and DC load and line regulation.
FEATURES
* Wide Input Voltage Range: 3V~60V
* Low Quiescent Current: 6mA
* Very Few External Parts Required
* Self-Protected Against Overloads
* Operates in Nearly All Switching Topologies
* Flyback-Regulated Mode Has Fully Floating Outputs
* Can Be Externally Synchronized
ORDERING INFORMATION
Ordering Number
Lead Free
Halogen Free
P2172L-D08-T
P2172G-D08-T
Package
DIP-8
P2172G-D08-T
(1)Packing Type
(2)Package Type
(3)Halogen Free
(1) T: Tube
(2) D08: DIP-8
(3) L: Lead Free, G: Halogen Free
DIP-8
Packing
Tube
www.unisonic.com.tw
Copyright © 2013 Unisonic Technologies Co., Ltd
1 of 7
QW-R103-067.a
1 page  
P2172
Preliminary
LINEAR INTEGRATED CIRCUIT
ELECTRICAL CHARACTERISTICS(Cont.)
(VIN=15V, VC=0.5V, VFB=VREF, output pin open, unless otherwise noted.)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN TYP MAX UNIT
Switching Frequency
f
88 100 112 kHz
Maximum Switch Duty Cycle
Shutdown Mode Supply Current
DCMAX
3V≤VIN≤VMAX, VC=0.05V
85 92 97 %
100 250 μA
Shutdown Mode Threshold Voltage
Flyback Sense Delay Time (Note 3)
3V≤VIN≤VMAX
100 150 250 mV
1.5 μs
Notes: 1. Measured with VC in hi clamp, VFB=0.8V, ISW=1A.
2. For duty cycles (DC) between 50% and 80%, minimum guaranteed switch current is given by
ILIM=0.833×(2-DC).
3. Minimum input voltage for isolated flyback mode is 7V, VMAX=55V for HV grade in fully isolated mode to
avoid switch breakdown.
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
5 of 7
QW-R103-067.a
5 Page | ||
| Páginas | Total 7 Páginas | |
| PDF Descargar | [ Datasheet P2172.PDF ] | |
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