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APL5607/A
600mA Linear Regulator for DC Fan Speed Control
Features
General Description
• Low Dropout Voltage: 220mV (Typical) @ 600mA
• Low Quiescent Current: 140µA
• Enable/Shutdown Function
• Output Voltage / VSET Voltage: 1.6 Times
• Stable with Low ESR Ceramic Capacitors
• Over-Temperature Protection
• Current-Limit Protection with Foldback Current
• Internal Soft-Start
• SOP-8 and TDFN3x3-8 Packages
• Lead Free and Green Devices Available
(RoHS Compliant)
Applications
• Notebook Fan Driver
• Motherboards
• PC Peripherals
• Battery-Powered System
The APL5607/A is a low quiescent current and low drop-
out linear regulator which is designed to power a DC fan
and deliver up to 600mA output current. The output volt-
age follows the 1.6 times of VSET voltage and typical
dropout voltage is only 220mV (typical) at 600mA output
current. The APL5607/A with low 140µA quiescent cur-
rent is ideal for battery-powered system appliances and
stable with a 2.2µF ceramic output capacitor. The fea-
tures of current-limit (with foldback current) and over-
temperature protection protect the device against cur-
rent over-loads and over temperature. The APL5607/A
is available in SOP-8 and TDFN3x3-8 packages.
Pin Configuration
EN 1
VIN 2
VOUT 3
VSET 4
SOP-8
(Top View)
8 GND
7 GND
6 GND
5 GND
Simplified Application Circuit
VIN
CIN
2.2µF ~ 10µF
ON VEN
OFF
VIN VOUT
APL5607/A
EN GND VSET
VOUT
COUT
2.2µF ~ 4.7µF
VSET
EN 1
VIN 2
VOUT 3
VSET 4
8 GND
7 GND
6 GND
5 GND
TDFN3x3-8
(Top View)
=Exposed Pad
(connected to the ground plane for better heat dissipation)
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 - Jul., 2010
1
www.anpec.com.tw
APL5607/A
Operating Waveforms
VIN=5V, VSET=2V, VOUT=3.2V, CIN=2.2µF, COUT=2.2µF, unless otherwise specified.
Power On
Power Off
V IN
1
V SET
2
V OUT
3
I OUT
4
CH1 : VIN , 2V/div
CH2 : VSET , 1V/div
CH3 : VOUT , 1V/div
CH4 : IOUT , 500mA/div
Time : 1ms/div
V SET
1 V OUT
2
I OUT
3
4
V IN
V OUT
I OUT
CH1 : VIN , 2V/div
CH2 : VSET , 1V/div
CH3 : VOUT , 1V/div
CH4 : IOUT , 500mA/div
Time : 200ms/div
Load Transient
1 V OUT
I OUT
2
CH1 : VOUT , 100mV/div
CH2 : IOUT , 200mV/div
Time : 200µs/div
Line Transient
VIN
VOUT
2
1
CH1 : VIN , 1V/div
CH2 : VOUT , 100mV/div
Time : 1ms/div
Copyright © ANPEC Electronics Corp.
Rev. A.3 - Jul., 2010
5
www.anpec.com.tw
APL5607/A
Package Information
SOP-8
D
-T- SEATING PLANE < 4 mils
SEE VIEW A
eb
°
c
L
VIEW A
GAUGE PLANE
SEATING PLANE
S SOP-8
Y
M
B
MILLIMETERS
INCHES
O
L
MIN.
MAX.
MIN.
MAX.
A 1.75
0.069
A1 0.10
0.25
0.004
0.010
A2 1.25
0.049
b 0.31
0.51
0.012
0.020
c 0.17
0.25
0.007
0.010
D 4.80
E 5.80
E1 3.80
5.00
6.20
4.00
0.189
0.228
0.150
0.197
0.244
0.157
e 1.27 BSC
h 0.25
0.50
0.050 BSC
0.010
0.020
L 0.40
1.27
0.016
0.050
0 0°
8°
0° 8°
Note: 1. Follow JEDEC MS-012 AA.
2. Dimension “D” does not include mold flash, protrusions or gate burrs.
Mold flash, protrusion or gate burrs shall not exceed 6 mil per side.
3. Dimension “E” does not include inter-lead flash or protrusions.
Inter-lead flash and protrusions shall not exceed 10 mil per side.
Copyright © ANPEC Electronics Corp.
Rev. A.3 - Jul., 2010
11
www.anpec.com.tw