APE1913 PDF даташит
Спецификация APE1913 изготовлена «Advanced Power Electronics» и имеет функцию, называемую «CONVERTER». |
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Детали детали
Номер произв | APE1913 |
Описание | CONVERTER |
Производители | Advanced Power Electronics |
логотип |
9 Pages
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Advanced Power
Electronics Corp.
APE1913
1.2MHz, HIGH VOLTAGE, BOOST CONVERTER
FEATURES
DESCRIPTION
Input Voltage:2.6V to 5.5V
Adjustable Output Voltage Range up to 27V
1.2MHz Fixed Switching Frequency
Internal Soft-Start Function
Current Limit and Thermal Shutdown Protection
Under Voltage Lockout
< 1µA Shutdown Current
Available in the TSOT-23-5L Package
The APE1913 is a current mode step up
converter intended for small, low power
applications. The converter input voltage ranging
from 2.6V to 5.5V. The Output voltage can be set
up to 27V. The frequency is 1.2MHz allows the use
of small external inductors and capacitors and
provides fast transient response. Internal soft start
results in small inrush current and extends battery
life. Internal power MOSFET with very low RDS
(ON) provides high efficiency. The APE1913
automatically transits from PWM to PFM during
light load condition further increasing efficiency.
The converter also provides protection functions
such as under-voltage lockout, current limit and
thermal shutdown. The APE1913 is available in
TSOT-23-5L package.
TYPICAL APPLICATION
VIN=5V
L1
4.7uH
C1
10uF
R4
1M
ON
OFF
C3
1nF
U1 APE1913
VCC SW
EN FB
GND
D1
B240A
R2
470K
R3
R1
54K
VOUT=12V
C2
4.7uF
VOUT = 1.238V X (1 + --R--2--- )
R1
R2 Suggest 390K~820K
VIN
2.6~3.6V
2.6~5.3V
2.6~5.5V
VOUT
5V
7V
7.5~27V
R3
120KΩ
82KΩ
0Ω
PACKAGE & ORDERING INFORMATION
(Top View)
APE1913X
SW 1
5 VCC
Package Type
TY5 : TSOT-23-5L
GND 2
FB 3
4 EN
TSOT-23-5L
Data and specifications subject to change without notice
1
201203211
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Advanced Power
Electronics Corp.
ABSOLUTE MAXIMUM RATINGS
VCC Pin Voltage (VCC) ------------------------------------ GND - 0.3V to GND + 6.5V
Feedback Pin Voltage (VFB) ----------------------------- GND - 0.3 to VCC + 0.3
EN Pin Voltage (VEN) -------------------------------------- GND - 0.3 to VCC + 0.3
Switch Pin Voltage (VSW) --------------------------------- 30V
Power Dissipation (PD) ----------------------------------- ( TJ-TA ) / Rthja W
Storage Temperature Range (TST) -------------------- -40°C to +150°C
Operating Junction Temperature Range (TOP) ----- -40°C to +125°C
Thermal Resistance from Junction to Case(RthJC) 110°C/W
Thermal Resistance from Junction to Ambient(RthJA) 250°C/W
APE1913
Note. Rthja is measured with the PCB copper area of approximately 1 in2(Multi-layer).
ELECTRICAL SPECIFICATIONS
(VCC=5V, VOUT=12V, TA=25°C, unless otherwise specified)
Parameter
Input Voltage Range
Under Voltage Lockout
UVLO Hysteresis
Step-Up Voltage Adjust Range
Operating Quiescent Current
Shutdown Current
Feedback Voltage
FB Input Leakage Current
Line Regulation
Load Regulation
Switching Frequency
Maximum Duty
N-channel MOSFET Current Limit
MOSFET On-resistance (Note1)
SW Leakage Current
EN High-level Input Voltage
EN Low-level Input Voltage
EN Hysteresis
EN Input Leakage Current
Thermal Shutdown
Thermal Shutdown Hysteresis
SYM
VCC
UVLO
TEST CONDITION
Rising
VOUT
ICCQ
ISD
VFB
IFB-LKG
FOSC
DMAX
ILIM
RDS(on)
ISWL
VIH
VIL
Hys
IEN-LKG
TDS
TSH
IOUT= 0mA, VFB =1.5V
VEN=0V
VFB = 1.3V
VIN = 2.5 to 5.5V, IOUT = 20mA
VIN = 5V, IOUT = 1mA to 400mA
Duty=50%
VCC=3V, ISW=1A
VCC=5V, ISW=1A
VLX = 27V, VFB =1.5V
VEN=GND or VCC
Note1: Guaranteed by design.
MIN
2.6
-
-
3
-
-
1.213
-100
-
-
900
82
-
-
-
-
1
-
-
-
-
-
TYP
-
2.35
-130
-
150
0.1
1.238
0.01
0.2
0.2
1200
87
1.9
650
500
-
-
-
200
0.01
150
35
MAX
5.5
2.6
-
27
250
1
1.263
100
-
-
1500
-
-
-
-
1
-
0.4
-
0.1
-
-
UNITS
V
V
mV
V
μA
μA
V
nA
%
%
KHz
%
A
mΩ
µA
V
V
mV
μA
°C
2
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Advanced Power
Electronics Corp.
APE1913
PIN DESCRIPTIONS
PIN SYMBOL
VCC
SW
FB
EN
GND
PIN DESCRIPITON
Input Supply Pin. Must be locally bypassed.
Power Switch Output. SW is the drain of the internal MOSFET switch. Connect
the power inductor and output rectifier to SW.
SW can swing between GND and 27V.
Feedback Input. FB voltage is 1.238V. Connect a resistor divider to FB.
Regulator On/Off Control Input. A high input at EN turns on the converter, and a
low input turns it off. When not used, connect EN to the input source for automatic
startup. The EN pin cannot be left floating.
Ground pin
BLOCK DIAGRAM
Soft
Start
VCC
UVLO
EN
Enable/
Disable
Thermal
Shutdown
Vref
1.238V
Summing
Comparator
FB
Error Control and
Amplifier
Driver Logic
Oscillator
1.2MHz
SW
N-MOS
Slope
Compensation
Current
Sense
GND
3
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