AP435/435L
Dual Linear Controller With Shutdown ( Preliminary )
This datasheet contains new product information. Anachip Corp. reserves the rights to modify the product specification without notice. No liability is assumed as a result of the use of
this product. No rights under any patent accompany the sale of the product.
Rev. 0.B Dec. 02, 2002
1/5
Features
-Power shutdown (SD) control
-Fixed output voltage reference 1.25V
-Voltage precision:
AP435L: 1.25 + 0.4%
AP435 : 1.25 + 1%
-Wide power supply range: 3 to 32V
-Sourcing current capability: 1 to 200mA
-Typical output impedance: 0.2Ω
■ Application
-Computer
-Disk driver
-CD-ROM
-Graphic Card
-TFT panel
Pin Assignments
3
4
8
7
6
5
2
1
V
CC
FB1
GND
OUT1
SD2
FB2
SD1
OUT2
( Top view )
( DIP8/SO8 )
General Descriptions
The AP435/435L is a linear controller IC with
Shutdown function, wired to a 1.25V fixed Voltage
Reference. This device is offering space and cost
saving in many applications like power supply
management or data acquisition systems.
Ordering Information
AP435 X X X
Package Packing
N: PDIP-8L
S: SOP-8L
Blank: Tube
A : Taping
Precision
Blank: 1%
L : 0.4%
Pin Descriptions
Name Descriptions
OUT1 Output1
FB1/2 Output Feedback
VCC Supply Voltage
GND Ground
SD1/2 Power shutdown control
OUT2 Output2
Block Diagram
FB1
GND
OUT1 SD1
Error
Amp1
Error
Amp2
Vref
FB2
SD2
OUT2
V
CC
V
CC
10K
AP435/435L
Dual Linear Controller With Shutdown ( Preliminary )
Anachip Corp.
www.anachip.com.tw Rev. 0.B Dec. 02, 2002
2/5
Absolute Maximum Ratings
Symbol Parameter Rating Unit
VCC Supply Voltage 36 V
V
SD Shutdown pin V
VESD ESD 2 KV
VIN
Input Voltage -0.3 ~ +36 V
TOP
Operating temperature range -55 ~ +125 ºC
TST Storage temperature range -65 ~ +150 ºC
θJA (DIP package) 100
θJA (SOP package) Thermal resistance junction to Ambient 160 ºC/W
TJ Maximum junction temperature 150 ºC
Electrical Characteristics ( TAMB=25ºC, VCC=5V)
Symbol Parameter Conditions Min. Typ. Max. Unit
VCC Input voltage 3 32
V
ICC(ACTIVE) Vcc(+)=5V, No Load
,TMIN<TAMB<TMAX 0.7 1.2
ICC(SHUTDOWN)
Supply current
mA
Error-amp ( VCC = 5V, TAMB=25OC,unless otherwise notice )
Symbol Parameter Conditions Min. Typ. Max. Unit
TAMB=25OC 1 4
AP435 TMIN<TAMB<TMAX 5
TAMB=25OC 0.5 2
VIO Input Offset voltage
VVicm 0= AP435L TMIN<TAMB<TMAX 0.5 3
mV
DVIO Input Offset voltage Drift 7 CV °
/
µ
SVRR Supply voltage rejection
ratio VCC
+=5~30V 65 100 dB
ISOURCE Output current source VCC=+15V,VO=2V,VID=+1V 20 40 mA
ISHORT Short circuit to Ground VCC=+15V 40 60 mA
ISINK Output current Sink VCC=+15V,VO=2V,VID=-1V 10 20 mA
I
IB
In
p
ut bias current Ne
g
ative in
p
ut 2
0
nA
VOH High Level output voltage TAMB=25OC,RL=10K
VCC
+=30V,TMIN<TAMB<TMAX 27 28 V
VOL Low Level output voltage RL=10K
TMIN<TAMB<TMAX 5 20 mV
AVD Large signal voltage gain VCC=+15V,VO=1.4~11.4V,
RL=2K TMIN<TAMB<TMAX 100 V/mV
SR Slew rate at unity gain
VI=0.5~3V,VCC=15V,RL=2K
,
CL=100pF,unity gain
0.3 0.5 sV
µ
/
GBP Gain bandwidth product VCC=30V,RL=2K,CL=100pF
f = 100Khz,VIN=10mV 0.5 0.9 MHz
THD Total Harmonic Distortion VCC=30V,RL=2K,CL=100pF
f = 1Khz,Vo=2VP-P,AV=20dB 0.02 %
AP435/435L
Dual Linear Controller With Shutdown ( Preliminary )
Anachip Corp.
www.anachip.com.tw Rev.0B Dec.02, 2002
3/5
Voltage reference
Symbol Parameter Conditions Min. Typ. Max. Unit
TAMB=25OC 1.237 1.263
AP435 TMIN<TAMB<TMAX 1.225 1.275
TAMB=25OC 1.245 1.255
VREF Reference input voltage
AP435L TMIN<TAMB<TMAX 1.237
1.25
1.263
V
ΔVREF
Reference input voltage
deviation over
Temperature range
VKA=VREF,IK=10mA
TMIN<TAMB<TMAX 3.0 20 mV
IMIN Minimum cathode current
for regulation VKA=VREF 0.15 0.3 mA
Ik Cathode Current 0.2 1 mA
│ZKA│ Dynamic impedance
(note1)
VKA=VREF
ΔIK=1~100mA , f=0 0.2 0.5
Ω
Note 1： The dynamic impedance is defined as│ZKA│=ΔVKA/ΔIK
Shutdown control
Symbol Parameter Conditions Min. Typ. Max. Unit
VSDL Active mode 0.2 V
VSDH Threshold voltage Shutdown mode 0.8 V
ISD Current in shutdown mode uA
Typical Application Circuit
FB1
GND
OUT1 SD1
Error
Amp1
Error
Amp2
Vref
FB2
SD2
OUT2
VCC
5V
3.3V
NMOS2
22uF
22uF
R3=2.64K
R4=1K
3.3V
2.5V
NMOS1
22uF
22uF
R1=1K
R2=1K
ON/OFF
Input
AP435
12V
V
CC
10K
AP435/435L
Dual Linear Controller With Shutdown ( Preliminary )
Anachip Corp.
www.anachip.com.tw Rev.0B Dec.02, 2002
4/5
Package Outline
(1) Plastic Dual-in-line Package:PDIP-8L
7
15 (4X)
(4X)
E1
D
PIN #1 INDENT O0.025 DEEP 0.006-0.008
E-PIN O0.118 NOTE 9
AL
A2A1
B2
B1
B
e
S
E
C
eB
Dimensions in millimeters Dimensions in inches
Symbols Min. Nom. Max. Min. Nom. Max.
A − − 5.33 − − 0.210
A1 0.38
− − 0.015 − −
A2 3.1 3.30 3.5 0.122 0.130 0.138
B 0.36 0.46 0.56 0.014 0.018 0.022
B1 1.4 1.52 1.65 0.055 0.060 0.065
B2 0.81 0.99 1.14 0.032 0.039 0.045
C 0.20 0.25 0.36 0.008 0.010 0.014
D 9.02 9.27 9.53 0.355 0.365 0.375
E 7.62 7.94 8.26 0.300 0.313 0.325
E1 6.15 6.35 6.55 0.242 0.250 0.258
e − 2.54 − − 0.100 −
L 2.92 3.3 3.81 0.115 0.130 0.150
eB 8.38 8.89 9.40 0.330 0.350 0.370
S 0.71 0.84 0.97 0.028 0.033 0.038
AP435/435L
Dual Linear Controller With Shutdown ( Preliminary )
Anachip Corp.
www.anachip.com.tw Rev.0B Dec.02, 2002
5/5
(2) JEDEC Small Outline Package :SOP-8L
A
0.015x45
VIEW "A"
L
H
E
A2
A1
B
e
y
7(4X)
D
C
7(4X)
VIEW "A"
Dimensions in millimeters Dimensions in inches
Symbols MIN NOM MAX MIN NOM MAX
A 1.40 1.60 1.75 0.055 0.063 0.069
A1 0.10
− 0.25 0.040 − 0.100
A2 1.30 1.45 1.50 0.051 0.057 0.059
B 0.33 0.41 0.51 0.013 0.016 0.020
C 0.19 0.20 0.25 0.0075 0.008 0.010
D 4.80 4.85 5.05 0.189 0.191 0.199
E 3.80 3.91 4.00 0.150 0.154 0.157
e − 1.27 − − 0.050 −
H 5.79 5.99 6.20 0.228 0.236 0.244
L 0.38 0.71 1.27 0.015 0.028 0.050
y − − 0.10 − − 0.004
θ 0O − 8O 0
O − 8O
