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PDF APW34063 Data sheet ( Hoja de datos )
| Número de pieza | APW34063 | |
| Descripción | DC/DC Switching Regulators | |
| Fabricantes | Anpec Electronics Coropration | |
| Logotipo |  |
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APW34063
1.5A, DC/DC Switching Regulators
Features
General Description
• Operation from 3.0V to 40V Input
• Low Standby Current
• Current Limiting
• Output Switch Current to 1.5A
• Output Voltage Adjustable
• Frequency Operation to 100kHz
• Precision 2% Reference
• SOP-8 and PDIP-8 packages
• Lead Free Available (RoHS Compliant)
Applications
• DC/DC Converters
The APW34063 is a monolithic control circuit con-
taining the primary functions required for DC-to-DC
converters. This device consists of an internal tem-
perature compensated reference, comparator, con-
trolled duty cycle oscillator with an active current limit
circuit, driver and high current output switch. This
device was specifically designed to be incorporated
in Step-Down and Step-Up and Voltage-Inverting ap-
plications with a minimum number of external
components.
Pin Description
Switch
Collector
Switch
Emitter
Timing
Capacitor
GND
1
2
3
4
Driver
8 Collector
IPK
7
Sense
6 VCC
Comparator
5 Inverting
Input
Ordering and Marking Information
APW34063
Lead Free Code
Handling Code
Temp. Range
Package Code
Package Code
J : PDIP - 8
K : SOP-8
Temp. Range
C : 0 to 70 °C
Handling Code
TU : Tube
TR : Tape & Reel
Lead Free Code
L : Lead Free Device Blank : Original Device
APW34063 J :
APW34063
XXXXX
XXXXX - Date Code
APW34063 K :
APW34063
XXXXX
XXXXX - Date Code
Note: ANPEC lead-free products contain molding compounds/die attach materials and 100% matte in plate termina-
tion finish; which are fully compliant with RoHS and compatible with both SnPb and lead-free soldiering operations.
ANPEC lead-free products meet or exceed the lead-free requirements of IPC/JEDEC J STD-020C for MSL classifica-
tion at lead-free peak reflow temperature.
ANPEC reserves the right to make changes to improve reliability or manufacturability without notice, and advise
customers to obtain the latest version of relevant information to verify before placing orders.
Copyright © ANPEC Electronics Corp.
Rev. A.3 - May., 2005
1
www.anpec.com.tw
1 page  
APW34063
Typical Application Circuits (Cont.)
External Current Boost Connections for IC Peak Greater than 1.5A
8
7
RSC
VIN
6
1
VOUT
8
7
2
RSC
VIN 6
R
1
VOUT
2
R 0 for
constant VIN
External NPN Switch
External NPN Saturated Switch (see Note5)
Note :
5.If the output switch is driven into hard saturation (non-Darlington configuration) at low switch currents (≤300mA) and high driver
currents (≥30mA), it may take up to 2.0µs to come out of saturation. This condition will shorten the off time at frequencies≥30kHz, and
is magnified at high temperatures. This condition does not occur with a Darlington configuration, since the output switch cannot
saturate. If a non-Darlington configuration is used, the following output drive condition is recommended.
Copyright © ANPEC Electronics Corp.
Rev. A.3 - May., 2005
5
www.anpec.com.tw
5 Page 
APW34063
Physical Specifications
Terminal Material
Lead Solderability
Solder-Plated Copper (Solder Material : 90/10 or 63/37 SnPb), 100%Sn
Meets EIA Specification RSI86-91, ANSI/J-STD-002 Category 3.
Reflow Condition (IR/Convection or VPR Reflow)
TP tp
Critical Zone
Ramp-up
TL to TP
TL
Tsmax
tL
Tsmin
ts
Preheat
Ramp-down
25 t 25 °C to Peak
Classificatin Reflow Profiles
Time
Profile Feature
Sn-Pb Eutectic Assembly
Pb-Free Assembly
Average ramp-up rate
(TL to TP)
Preheat
- Temperature Min (Tsmin)
- Temperature Max (Tsmax)
- Time (min to max) (ts)
3°C/second max.
100°C
150°C
60-120 seconds
3°C/second max.
150°C
200°C
60-180 seconds
Time maintained above:
- Temperature (TL)
- Time (tL)
Peak/Classificatioon Temperature (Tp)
183°C
60-150 seconds
See table 1
217°C
60-150 seconds
See table 2
Time within 5°C of actual
Peak Temperature (tp)
10-30 seconds
20-40 seconds
Ramp-down Rate
6°C/second max.
6°C/second max.
Time 25°C to Peak Temperature
6 minutes max.
8 minutes max.
Notes: All temperatures refer to topside of the package .Measured on the body surface.
(mm)
Copyright © ANPEC Electronics Corp.
Rev. A.3 - May., 2005
11
www.anpec.com.tw
11 Page | ||
| Páginas | Total 13 Páginas | |
| PDF Descargar | [ Datasheet APW34063.PDF ] | |
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