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PDF P1596 Data sheet ( Hoja de datos )
| Número de pieza | P1596 | |
| Descripción | 1.5A PWM BUCK DC/DC CONVERTER | |
| Fabricantes | Unisonic Technologies | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de P1596 (archivo pdf) en la parte inferior de esta página. Total 8 Páginas | ||
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UNISONIC TECHNOLOGIES CO., LTD
P1596
LINEAR INTEGRATED CIRCUIT
150KHZ, 1.5A PWM BUCK DC/DC
CONVERTER
DESCRIPTION
The UTC P1596 series is a step-down switching regulator able to
provide 1.5A output current. The available output voltages are 2.5V,
3.3V, 5V and an adjustable output version.
FEATURES
*Output load current: 1.5A
*Adjustable version output voltage range, 1.23V ~ 18V±4%
*150KHz ±15% fixed switching frequency
*Voltage mode non-synchronous PWM control
*Thermal-shutdown and current-limit protection
*Operating voltage can be up to 22V
*Low power standby mode
*High efficiency
*Internal current and thermal limit
*Built-in switching transistor on chip
ORDERING INFORMATION
Order Number
Normal
Lead Free Plating
P1596-xx-G04-K
P1596L-xx-G04-K
P1596-xx-TA5-T
P1596L-xx-TA5-T
P1596-xx-TB5-T
P1596L-xx-TB5-T
P1596-xx-TN5-R
P1596L-xx-TN5-R
P1596-xx-TN5-T
P1596L-xx-TN5-T
P1596-xx-TQ5-R
P1596L-xx-TQ5-R
P1596-xx-TQ5-T
P1596L-xx-TQ5-T
Note: xx: Output Voltage, refer to Marking Information.
Package
SIP-4
TO-220-5
TO-220B
TO-252-5
TO-252-5
TO-263-5
TO-263-5
11
TO-220B-5
TO-220-5
1
TO-263-5
1
TO-252-5
1
SIP-4
*Pb-free plating product number: P1596L
Packing
Bulk
Tube
Tube
Tape Reel
Tube
Tape Reel
Tube
P1596L-xx-G04-K
(1)Packing Type
(2)Package Type
(3)Output Voltage Code
(4)Lead Plating
(1) K: Bulk, R: Tape Reel, T:Tube
(2) G04: SIP-4, TA5: TO-220-5, TB5: TO-220B,
TN 5: TO-252-5, TQ5: TO-263-5
(3) xx: refer to Marking Information
(4) L: Lead Free Plating, Blank: Pb/Sn
www.unisonic.com.tw
Copyright © 2005 Unisonic Technologies Co., Ltd
1 of 8
QW-R103-027,B
1 page  
P1596
TYPICAL APPLICATION
FOR ADJUSTABLE OUTPUT VOLTAGE VERSION
LINEAR INTEGRATED CIRCUIT
For 5 PIN:
+
Unregulated
DC Input
CFF
R1 R2
Locate The Programming Resistors Near
The Feedback Pin Using Short Leads
1k 4 Feedback
+V IN
1
+ CIN
OUTPUT
UTC P1596 -ADJ
2
3 GND
5 ON/OFF
L1
D1
Keep Feedback Wiring
Away From Inductor Flux
Regulated Output
+ COUT
L
O
A
D
Heavy Lines Must be Kept Short and Use
Ground Plane Construction for Best Results
VOUT×(R1/(R1+ R2))=VREF
VOUT = VREF(1+ R2/R1)
Where VREF=1.23V
R2=R1((VOUT / VREF)-1)
For 4 PIN:
12V
DC Input
CIN
Capacitor
+
R1 R2
FB
3
VIN
1
UTC
P1596 -XX
2
OUTPUT
L1
Inductor
4
GND
D1
Schottky Diode
3.3V/1.5A
Output Load
+
Co
Capacitor
VOUT=VFB×(1+R1/R2)
VFB=1.23V
R2=1K~3K
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
5 of 8
QW-R103-027,B
5 Page | ||
| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet P1596.PDF ] | |
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