AP2011SL-13 Diodes Inc, AP2011SL-13 Datasheet

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AP2011SL-13

Manufacturer Part Number
AP2011SL-13
Description
IC CTLR PWM BUCK W/VFC 14-SOIC
Manufacturer
Diodes Inc
Type
Step-Down (Buck)r
Datasheet
1.AP2011SL-U.pdf (9 pages)

Specifications of AP2011SL-13

Internal Switch(s)
No
Synchronous Rectifier
Yes
Number Of Outputs
1
Current - Output
3A
Frequency - Switching
200kHz
Voltage - Input
10 ~ 40 V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
14-SOIC (3.9mm Width), 14-SOL
Switching Frequency
200 KHz
Operating Temperature Range
- 40 C to + 85 C
Mounting Style
SMD/SMT
Duty Cycle (max)
0 % to 100 %
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Voltage - Output
-
Power - Output
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Other names
AP2011SLDITR
Synchronous PWM with VFC Controller
- Single 10V to 40V Supply Application
- 1.25V + 2.0% Voltage Reference
- Virtual Frequency Control
- Fast Transient Response.
- Synchronous Operation for High Efficiency
- Current Limit Function.
- Small Size with Minimum External Components
- Soft Start and Shutdown Functions
- Industrial Temperature Range
- Under Voltage Lockout Function
- SOP-14L Pb-Free Package
- Microprocessor Core Supply
- Low Cost Synchronous Applications
- Voltage Regulator Modules (VRM)
- Networking Power Supplies
- Sequenced Power Supplies
- Telecommunication Power Supplies.
Anachip Corp
www.anachip.com.tw
Applications
Pin Assignments
Ordering Information
Features
Not Recommended for New Designs
NGATE
PGATE
AP 2011 X
PGND
PDRV
PVCC
S: SOP-14L
VCC
VIN
Package
1
2
3
4
5
6
7
(Top View)
SOP-14L
AP2011
X
TM
Blank : Tube
A : Taping
.
Packing
14
13
12
11
10
9
8
SS/SHDN
VREF
PHASE
SGND
OCSET
FB
CAP
1/9
The
synchronous voltage-mode controller designed for
use in single ended power supply applications
where
Synchronous operation allows for the elimination of
heat sinks in many applications. The AP2011 is
ideal for implementing DC/DC converters needed to
power advanced microprocessors in low cost
systems or in distributed power applications where
efficiency is important. Internal level-shift, high-side
drive circuitry, and preset shoot-thru control, allows
the use of inexpensive 1P+1N-channel power
switches.
AP2011’s features include temperature ompensated
voltage reference,
to reduce external component count,
frequency 200KHz oscillator, under-voltage lockout
protection, soft-start, shutdown function and current
sense comparator circuitry.
Virtual Frequency Control is a trademark of
PWRTEK, LLC.
SS/ SHDN
Pin Name
NGATE
OCSET
PHASE
PGATE
PGND
SGND
PVCC
PDRV
VREF
Pin Descriptions
VCC
CAP
General Description
VIN
FB
AP2011
efficiency
No.
Pin
10
12
13
14
11
1
2
3
4
5
6
7
8
9
is
Virtual Frequency
a
is
Level shift-gate driver
Internal regulator voltage
Power VCC
PMOS Gat driver
Low side driver output (N
MOSFET)
Chip supply voltage
Charge pump pin
Soft start, a capacitor to
ground sets the slow start
time/set low for shutdown
function.
Sets the converter
over-current trip point
Signal Ground
Input from the phase node
between the MOSFETs
Reference voltage
Power Ground
Feedback input
low-cost,
of
Description
primary
an internal virtual
Control
AP2011
Rev. 1.1 Apr 1, 2005
full
TM
featured,
concern.
method

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AP2011SL-13 Summary of contents

Page 1

Not Recommended for New Designs Synchronous PWM with VFC Controller Features - Single 10V to 40V Supply Application - 1.25V + 2.0% Voltage Reference TM - Virtual Frequency Control . - Fast Transient Response. - Synchronous Operation for High Efficiency ...

Page 2

Not Recommended for New Designs Synchronous PWM Controller Block Diagram GND VCC 1.25V VOLTAGE UNDER REFERENCE VOLTAGE + - VREF ERROR COMP SS/SHDN + 0.3V VCC 12ua 2ua - + 0. 0.9V Absolute Maximum ...

Page 3

Not Recommended for New Designs Synchronous PWM Controller Electrical Characteristics Unless specified: V =20V; GND = 0V Symbol Parameter Power Supply V Supply Voltage (Recommended Supply Current IN ∆V Load Regulation Load ∆V ...

Page 4

Not Recommended for New Designs Synchronous PWM Controller Typical Application Circuit R3 6.8 ohm C6 0.1u (50V) VIN VCC PVCC C3 300n C2 CAP 1u(50V) SS/SHDN C1 100n VREF SGND C4 0.1u PGND Typical Performance Characteristics PMOS: AF4835; NMOS: AF4410 ...

Page 5

Not Recommended for New Designs Synchronous PWM Controller Typical Performance Characteristics Load Regulation (Vin=12V; Vout=5V) 1.2 1 0.8 0.6 0.4 0 Iout (A) Vin v.s. Icc (No external component) 8.31 8.3 8.29 8.28 8.27 8.26 ...

Page 6

Not Recommended for New Designs Synchronous PWM Controller Virtual Frequency Control Control  Virtual Frequency combines advantages of constant frequency and constant off-time control in a single mode of operation. This allows fix frequency, precision switching voltage regulator control with ...

Page 7

Not Recommended for New Designs Synchronous PWM with VFC Controller Function Description Synchronous Buck Converter Primary V power is provided by a synchronous, CORE voltage-mode pulse width modulated controller. This section has all the features required to build a high ...

Page 8

Not Recommended for New Designs Synchronous PWM Controller Function Description Hiccup Mode During power up, the SS/ SHDN pin is internally pulled low until V reaches the under-voltage CC lockout level of 6.8V. Once V has reached 6.8V, CC the ...

Page 9

Not Recommended for New Designs Synchronous PWM Controller Package Information Package Type: SOP-14L Pin 1 indent 7 o (4x) y Dimensions In Millimeters Symbol Min. A 1. 0.33 C 0.19 D 8.53 E 5.80 E1 ...

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