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PDF AP1515P Data sheet ( Hoja de datos )
| Número de pieza | AP1515P | |
| Descripción | 150KHz/ 1.5A PWM Buck DC/DC Converter | |
| Fabricantes | ETC | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de AP1515P (archivo pdf) en la parte inferior de esta página. Total 6 Páginas | ||
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150KHz, 1.5A PWM Buck DC/DC Converter
AP1515
Features
- Output voltage: 3.3V and adjustable output
version
- Adjustable version output voltage range, 1.23V to
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
- Output load current: 1.5A
- SIP-4L Pb-Free package
- Low power standby mode
- Built-in switching transistor on chip
- Very Low Cost
Applications
- Simple High-efficiency step-down regulator
- On-card switching regulators
- Positive to negative converter
Pin Assignments
General Description
The AP1515 series are monolithic IC designed for a
step-down DC/DC converter, and own the ability of
driving a 1.5A load without additional transistor
component. Due to reducing the number of external
component, the board space can be saved easily.
The external shutdown function can be controlled
by logic level and then come into standby mode.
The internal compensation makes feedback control
have good line and load regulation without external
design. Regarding protected function, thermal
shutdown is to prevent over temperature operating
from damage, and current limit is against over
current operating of the output switch. If current
limit function occurred and VFB is down to 0.5V
below, the switching frequency will be reduced.
The AP1515 series operates at a switching
frequency of 150KHz thus allowing smaller sized
filter components than what would be needed with
lower frequency switching regulators. Other
features include a guaranteed +4% tolerance on
output voltage under specified input voltage and
output load conditions, and +15% on the oscillator
frequency. The output version included fixed 3.3V
and an adjustable type. The packages are available
in a standard 4-lead SIP-4L package.
Pin Descriptions
1515
(Front View)
1 : VIN
2 : Output
3 : FB
4 : GND
12 3 4
SIP-4L
Name
VIN
Output
FB
GND
Description
Operating voltage input
Switching output
Output voltage feedback control
Ground
This datasheet contains new product information. Anachip Corp. reserves the rights to modify the product specification without notice. No liability is assumed as a result of the use of
this product. No rights under any patent accompany the sale of the product.
Rev.1.0 Oct 29, 2004
1/6
1 page  
150KHz, 1.5A PWM Buck DC/DC Converter
AP1515
Typical Performance Characteristics (Continued)
AP1515 Saturation Voltage v.s. Temperature
(Vcc=12V,Vfb=0V,VSD=0)
1.4
1.3
1.2
1.1 1.5A
1 1A
0.5A
0.9
0.8
0.7
-50
-25 0 25 50 75
Temperature (TA) (°C)
100 125
AP1515 Switch Current Limit v.s. Temperature
(Vcc=12V,Vfb=0V)
3.5
3
2.5
2
-50 -30 -10 10 30 50 70 90
Temperature (TA) (°C)
AP1515 Supply Current v.s. Temperature
(Vcc=12V , No Load ,Von/off =0V(Switch ON) ,Von/off =5V(Switch OFF))
15
14
13
12
11
10
9
8
7
Switch ON
6
5
-50 -30 -10 10 30 50 70 90 110 130 150
Temperature (TA) (°C)
60
55
50
45 Switch OFF
40
35
30
-50 -30 -10 10 30 50 70 90 110 130 150
Temperature (TA) (°C)
AP1515 Frequency v.s. Temperature
(Vcc=12V , Io=500mA ,Vout=5V)
170
165
160
155
150
145
140
-50 -30 -10 10 30 50 70 90 110 130 150
Temperature (TA) (°C)
AP1515 Feedback Current v.s. Temperature
(Vcc=12V , Vout=5V,Vfb=1.3V)
10
0
-10
-20
-30
-40
-50
-50 -30 -10 10 30 50 70 90 110 130 150
Temperature (TA) (°C)
Anachip Corp.
www.anachip.com.tw
Rev.1.0 Oct 29, 2004
5/6
5 Page | ||
| Páginas | Total 6 Páginas | |
| PDF Descargar | [ Datasheet AP1515P.PDF ] | |
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