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PDF AP1601 Data sheet ( Hoja de datos )
| Número de pieza | AP1601 | |
| Descripción | STEP-UP DC/DC CONVERTER | |
| Fabricantes | Diodes | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de AP1601 (archivo pdf) en la parte inferior de esta página. Total 12 Páginas | ||
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AP1601
STEP-UP DC/DC CONVERTER
Features
General Description
• A Guaranteed Start-Up from less than 0.9 V.
• High Efficiency.
• Low Quiescent Current.
• Less Number of External Components needed.
• Low Ripple and Low Noise.
• Space Saving Packages: MSOP-8L and MSOP-10L.
• MSOP-8L and MSOP-10L: Available in “Green”
Molding Compound (No Br, Sb)
• Lead Free Finish / RoHS Compliant (Note 1)
The AP1601 is a high efficiency step-up DC/DC converter for
applications using 1 to 4 NiMH battery cells. Only three external
components are required to deliver a fixed output voltage of 3.3V
or 5V. The AP1601 starts up from less than 0.9V input with 1mA
load. Pulse Frequency Modulation scheme brings optimized
performance for applications with light output loading and low
input voltages. The output ripple and noise are lower compared
with the circuits operating in PSM mode.
The PFM control circuit operating in 100KHz (max.) switching
rate results in smaller passive components. The space saving
MSOP packages make the AP1601 an ideal choice of DC/DC
converter for space conscious applications, like pagers,
electronic cameras, and wireless microphones.
Applications
• Pagers
• Cameras
• Wireless Microphones
• Pocket Organizers
• Battery Backup Suppliers
• Portable Instruments
Typical Application Circuit
VIN +
100uF
22uH
ON
OFF
Low- Battery
Detect In
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SHDN
LBI
REF
0.1uF
GND
LX
OUT
LBO
FB
Adj Output (1.8V to 4.0V)
+ up to 300 mA
R5 220uF
Low- Battery
Detect OUT
Vout=1.2× (1+ R5 )
R6
R6 R6 Suggest 100K~200K
FB=Vout, Vout=3.3V
FB=GND, Vout=5V
AP1601 Rev. 5
1 of 12
www.diodes.com
SEPTEMBER 2009
© Diodes Incorporated
1 page  
AP1601
STEP-UP DC/DC CONVERTER
Electrical Characteristics
(VBATT = 2V, FB = OUT (VOUT = 3.3V), RL = ∞, TA = 0°C to +85°C, unless otherwise noted. Typical values are at
TA = +25°C.)
Symbol
Parameter
Conditions
Min Typ. Max Unit
Minimum Input Voltage
VIN Operating Voltage
TA = +25°C
Start-Up Voltage
TA = +25°C,
RL = 3kΩ (Note 3)
Start-Up Voltage
Temperature
Output Voltage Range
- 0.9 -
1.1 - 5.5
- 0.9 1.1
V
V
V
- -2 - mV/°C
2 - 5.5 V
IOUT
Steady-State Output
Current (Note 4)
(VOUT = 3.3V)
(VOUT = 5V)
AP1601
(CLSEL=OUT)
AP1601
(CLSEL=GND)
AP1601
(CLSEL=OUT)
AP1601
(CLSEL=GND)
300 420 -
150 220 -
180 285 -
mA
90 130 -
VREF
TEMPCO
VREF_LOAD
VREF_LINE
RDS(ON)
ILIM
ILEAK
θJA
θJC
Reference Voltage
Reference Voltage
Temperature
Reference Voltage Load
Regulation
Reference Voltage Line
Regulation
FB, LB1 Input Threshold
Internal NFET, PFET
On-Resistance
LX Switch Current Limit
(NFET)
LX Leakage Current
Thermal Resistance
Junction-to-Ambient
Thermal Resistance
Junction-to-Case
IREF=0
IREF=0 to 20μA
VOUT=2V to 5.5V
ILX=100mA
AP1601 MSOP-8L
AP1601 MSOP-10L (CLSEL=OUT)
AP1601 MSOP-10L (CLSEL=GND)
ILX=0, 5.5V; VOUT=5.5V
MSOP-8L (Note 5)
MSOP-10L (Note 5)
MSOP-8L (Note 5)
MSOP-10L (Note 5)
1.176 1.2 1.224 V
- 0.024 - mV/°C
- 30 80 mV
- 0.08 2.5 mV/V
1.176 1.2 1.224 V
-
0.3 0.6
Ω
0.80 1 1.20
0.80 1 1.20 A
0.40 0.50 0.65
- 0.05 1
μA
118 oC/W
88
30 oC/W
16
Notes: 3. Start-up voltage operation is guaranteed with the addition of a Schottky B0520LW external diode between the input and output.
4. Steady-state output current indicates that the device maintains output voltage regulation under load.
www.DataSheet4U.c5o.mTest condition for MSOP-8L and MSOP-10L: Devices mounted on 2oz copper, with minimum recommended pad layout on top and bottom
layer with thermal vias, double side FR-4 PCB.
AP1601 Rev. 5
5 of 12
www.diodes.com
SEPTEMBER 2009
© Diodes Incorporated
5 Page 
Package Information (All Dimensions in mm)
(1) Package Type: MSOP-8L
AP1601
STEP-UP DC/DC CONVERTER
1
0.65Bsc.
0.22/0.38
8x-0.45
6x-0.65
Land Pattern Recommendation
(Unit:mm)
"A"
0.05
2.9/3.1
(2) Package Type: MSOP-10L
0.4/0.8
DETAIL "A" 0.95Ref.
Gauge plane
1
10x-0.30
1
0.17/0.27
2.95/3.05
8x-0.50
1
Land Pattern Recommendation
(Unit:mm)
0.10 C
www.DataSheet4U.com
0.5Typ.
Seting plane
C
"A"
0.4/0.7
Gauge plane
DETAIL "A"
AP1601 Rev. 5
11 of 12
www.diodes.com
SEPTEMBER 2009
© Diodes Incorporated
11 Page | ||
| Páginas | Total 12 Páginas | |
| PDF Descargar | [ Datasheet AP1601.PDF ] | |
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