APE1832

Manufacturer Part NumberAPE1832
ManufacturerAdvanced Power Electronics Corp.
APE1832 datasheets

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Specifications of APE1832

Vin(min)3.6Vin(max)23
Vout(min)0.25Vout(max)23
Iout(max)2Frequency330Khz
Scp?PackageSO-8
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Advanced Power
Electronics Corp.
FEATURES
Input Voltage : 3.6V to 23V
Output Voltage : 0.25V to VCC
Duty Ratio : 0% to 100% PWM Control
Oscillation Frequency :
APE1832 : 330KHz Typ.
APE1832A : 500KHz Typ.
LED Backlight and High Power LED Application
Enable/Disable Function
Current Limit (CL), Thermal Shutdown
and Short Circuit Protections (SCP).
Built-in Internal SW P-channel MOS.
No Output Capacitor is Stable.
SO-8 Pb-Free Package.
TYPICAL APPLICATION
A. 1W/3W LED x 1 for DC Input
VCC
R1
100K
C2
22u
Data and specifications subject to change without notice
2A, 0.25V FEEDBACK VOLTAGE STEP-DOWN
SWITCHING REGULATORS FOR LED DRIVER
DESCRIPTION
APE1832 / APE1832A consists of step-down switching
regulator with PWM control. These devise include a
reference voltage source, oscillation circuit, error amplifier,
internal PMOS and etc.
APE1832 / APE1832A provides low-ripple power, high
efficiency, and excellent transient characteristics. The PWM
control circuit is able to the duty ratio linearly from 0 up to
100%. An enable function, an over current protect function
and short circuit protect function are built inside, and when
OCP or SCP happens, the operation frequency will be
reduced. Also, an internal compensation block is built in to
minimum external component count.
With the addition of an internal P-channel Power MOS,
a coil, capacitors, and a diode connected externally, these
ICs can function as step-down switching regulators. They
serve as ideal power supply units for portable devices when
coupled with the SO-8 package, providing such outstanding
features as low current consumption. Since this converter
can accommodate an input voltage up to 23V, it is also
suitable for the operation via an AC adapter.
U1
FB
VSS
EN
VSS
COMP
SW
VCC
SW
APE1832 / APE1832A
R4 4.7K
1N4148
D6
Option
C4
C3
R5
0.1u
100K
1u
VOUT
L1
D7
22uH
LED
(10uH for APE1832A)
R2
0.75R/0.33R
C1
D5
1W/3W
4.7u
B240A
APE1832
1
201201303

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APE1832 Summary of contents

  • Page 1

    ... Data and specifications subject to change without notice 2A, 0.25V FEEDBACK VOLTAGE STEP-DOWN SWITCHING REGULATORS FOR LED DRIVER DESCRIPTION APE1832 / APE1832A consists of step-down switching regulator with PWM control. These devise include a reference voltage source, oscillation circuit, error amplifier, internal PMOS and etc. APE1832 / APE1832A provides low-ripple power, high efficiency, and excellent transient characteristics ...

  • Page 2

    ... COMP VCC APE1832 / APE1832A R5 100R 100n 0. LED 350mA 0.715 Ω 87.5mW 750mA 0.333 Ω 189mW 1000mA 0.250 Ω ...

  • Page 3

    ... EFFI OUT TSD PIN DESCRIPTION GND Pin Feedback Pin Power -Off Pin H : Normal Operation(Step-down Step-down Operation Stopped (All circuits deactivated) Compensation Pin Switch Pin. Connect External Inductor & Diode here. IC Power Supply Pin APE1832 + 0.3V + 0.3V 2 (multi-layers) MIN TYP 0. ...

  • Page 4

    ... LED. PCB layout guide If you need low Tc and Tj or large PD (Power Dissipation), the dual SW pins (5&6) on the SO-8 package are internally connected to die pad, The PCB layout should allow for maximum possible copper area at the SW pins of the APE1832 / APE1832A. SW Oscillator Circuit ...

  • Page 5

    ... Advanced Power Electronics Corp. TYPICAL PERFORMANCE CHARACTERISTICS APE1832 APE1832A APE1832 5 ...

  • Page 6

    ... Advanced Power Electronics Corp. MARKING INFORMATION SO-8 1832XM YWWSS Part Number Frequency option : Blank : 330 KHz Package Code Date Code (YWWSSS) Y：Last Digit Of The Year WW：Week SSS：Sequence APE1832 A : 500KHz 6 ...

  • Page 7

    ... Mold flash shall not exceed 0.25mm per side JEDEC outline: MS-012 AA b Dimensions in Millimeters Nom. Max 1.75 - 0.25 - 0.2 0.25 4.9 5.1 3.9 4.1 6 6.2 - 1.27 0.41 0.51 1.27 BSC - - 0 DETAIL A DETAIL A Dimensions in Inches Min. Nom 0. 0.049 - 0.0075 0.008 0.185 0.193 0.146 0.154 0.228 0.236 0.015 - 0.012 0.016 0.050 BSC - - APE1832 θ Max. 0.069 0.1 - 0.01 0.2 0.161 0.244 0.05 0.02 0.004 8 O ...

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