AP435/435L
Dual Linear Controller With Shutdown
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
( Preliminary )
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
Precision
Blank: 1%
L : 0.4%
Package
N: PDIP-8L
S: SOP-8L
Packing
Blank: Tube
A : Taping
Pin Assignments
( Top view )
FB1
V
CC
OUT1
GND
1
2
3
4
8
7
6
5
FB2
OUT2
SD1
SD2
Pin Descriptions
Name
OUT1
FB1/2
V
CC
GND
SD1/2
OUT2
Descriptions
Output1
Output Feedback
Supply Voltage
Ground
Power shutdown control
Output2
( DIP8/SO8 )
Block Diagram
V
CC
FB1
Error
Amp1
V
CC
10K
Error
Amp2
OUT2
FB2
OUT1
SD1
Vref
GND
SD2
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
AP435/435L
Dual Linear Controller With Shutdown
Absolute Maximum Ratings
Symbol
V
CC
V
SD
V
ESD
V
IN
T
OP
T
ST
θ
JA
(DIP package)
θ
JA
(SOP package)
T
J
( Preliminary )
Parameter
Supply Voltage
Shutdown pin
ESD
Input Voltage
Operating temperature range
Storage temperature range
Thermal resistance junction to Ambient
Maximum junction temperature
Rating
36
2
-0.3 ~ +36
-55 ~ +125
-65 ~ +150
100
160
150
Unit
V
V
KV
V
ºC
ºC
ºC/W
ºC
Electrical Characteristics
( T
AMB
=25ºC, V
CC
=5V)
Symbol
V
CC
I
CC(ACTIVE)
I
CC(SHUTDOWN)
Parameter
Input voltage
Supply current
Conditions
Vcc(+)=5V, No Load
,T
MIN
<T
AMB
<T
MAX
Min.
3
Typ. Max.
32
0.7
1.2
Unit
V
mA
Error-amp
( V
CC
= 5V,
T
AMB
=25
O
C
,unless otherwise notice )
Symbol
V
IO
DV
IO
SVRR
I
SOURCE
I
SHORT
I
SINK
I
IB
V
OH
V
OL
A
VD
SR
GBP
THD
Parameter
Input Offset voltage
Conditions
T
AMB
=25
O
C
AP435
T
MIN
<T
AMB
<T
MAX
T
AMB
=25
O
C
AP435L
T
MIN
<T
AMB
<T
MAX
V
CC+
=5~30V
V
CC
=+15V,V
O
=2V,V
ID
=+1V
V
CC
=+15V
V
CC
=+15V,V
O
=2V,V
ID
=-1V
Negative input
T
AMB
=25
O
C,R
L
=10K
V
CC+
=30V,T
MIN
<T
AMB
<T
MAX
R
L
=10K
T
MIN
<T
AMB
<T
MAX
V
CC
=+15V,V
O
=1.4~11.4V,
R
L
=2K T
MIN
<T
AMB
<T
MAX
V
I
=0.5~3V,V
CC
=15V,R
L
=2K
,
C
L
=100pF,unity gain
V
CC
=30V,R
L
=2K,C
L
=100pF
f = 100Khz,V
IN
=10mV
V
CC
=30V,R
L
=2K,C
L
=100pF
f = 1Khz,V
o
=2V
P-P
,A
V
=20dB
Min.
Typ.
1
0.5
0.5
7
Max.
4
5
2
3
Unit
mV
µ
V
/
°
C
V
icm
=
0
V
Input Offset voltage Drift
Supply voltage rejection
ratio
Output current source
Short circuit to Ground
Output current Sink
Input bias current
High Level output voltage
Low Level output voltage
Large signal voltage gain
Slew rate at unity gain
Gain bandwidth product
Total Harmonic Distortion
65
20
10
27
100
40
40
20
20
28
5
100
20
60
dB
mA
mA
mA
nA
V
mV
V/mV
V
/
µ
s
0.3
0.5
0.5
0.9
0.02
MHz
%
Anachip Corp.
www.anachip.com.tw
2/5
Rev. 0.B Dec. 02, 2002
AP435/435L
Dual Linear Controller With Shutdown
Voltage reference
Symbol
Parameter
V
REF
Reference input voltage
AP435
( Preliminary )
Min.
1.237
1.225
1.245
1.237
Conditions
T
AMB
=25
O
C
T
MIN
<T
AMB
<T
MAX
T
AMB
=25
O
C
AP435L
T
MIN
<T
AMB
<T
MAX
Typ.
1.25
Max.
1.263
1.275
1.255
1.263
20
0.3
1
0.5
Unit
V
Reference input voltage
V
KA
=V
REF
,I
K
=10mA
deviation over
T
MIN
<T
AMB
<T
MAX
Temperature range
Minimum cathode current
I
MIN
V
KA
=V
REF
for regulation
I
k
Cathode Current
V
KA
=V
REF
Dynamic impedance
│Z
KA
│
ΔI
K
=1~100mA , f=0
(note1)
Note 1： The dynamic impedance is defined as│Z
KA
│=ΔV
KA
/ΔI
K
ΔV
REF
3.0
0.15
0.2
0.2
mV
mA
mA
Ω
Shutdown control
Symbol
Parameter
V
SDL
V
SDH
I
SD
Threshold voltage
Current in shutdown mode
Conditions
Active mode
Shutdown mode
Min.
0.8
Typ.
Max.
0.2
Unit
V
V
uA
Typical Application Circuit
5V
AP435
3.3V
12V
VCC
FB1
Error
Amp1
V
CC
22uF
FB2
Error
Amp2
22uF
10K
NMOS2
OUT2
3.3V
NMOS1
2.5V
R1=1K
22uF
R2=1K
GND
OUT1
SD1
R3=2.64K
22uF
R4=1K
Vref
SD2
ON/OFF
Input
Anachip Corp.
www.anachip.com.tw
3/5
Rev.0B Dec.02, 2002
AP435/435L
Dual Linear Controller With Shutdown
Package Outline
(1) Plastic Dual-in-line Package:PDIP-8L
( Preliminary )
D
E-PIN O0.118 NOTE 9
E1
PIN #1 INDENT O0.025 DEEP 0.006-0.008
E
7 (4X)
15 (4X)
A2
B
S
e
B1
B2
A1
L
A
C
eB
Symbols
A
A1
A2
B
B1
B2
C
D
E
E1
e
L
eB
S
Dimensions in millimeters
Min.
Nom.
Max.
5.33
−
−
0.38
−
−
3.1
3.30
3.5
0.36
0.46
0.56
1.4
1.52
1.65
0.81
0.99
1.14
0.20
0.25
0.36
9.02
9.27
9.53
7.62
7.94
8.26
6.15
6.35
6.55
2.54
−
−
2.92
3.3
3.81
8.38
8.89
9.40
0.71
0.84
0.97
Dimensions in inches
Min.
Nom.
Max.
0.210
−
−
0.015
−
−
0.122
0.130
0.138
0.014
0.018
0.022
0.055
0.060
0.065
0.032
0.039
0.045
0.008
0.010
0.014
0.355
0.365
0.375
0.300
0.313
0.325
0.242
0.250
0.258
0.100
−
−
0.115
0.130
0.150
0.330
0.350
0.370
0.028
0.033
0.038
Anachip Corp.
www.anachip.com.tw
4/5
Rev.0B Dec.02, 2002
AP435/435L
Dual Linear Controller With Shutdown
(2) JEDEC Small Outline Package :SOP-8L
( Preliminary )
E
H
L
VIEW "A"
D
7 (4X)
0.015x45
7 (4X)
A2
A
C
e
y
Symbols
A
A1
A2
B
C
D
E
e
H
L
y
θ
Dimensions in millimeters
MIN
NOM
MAX
1.40
1.60
1.75
0.10
1.30
0.33
0.19
4.80
3.80
−
5.79
0.38
−
0
O
−
1.45
0.41
0.20
4.85
3.91
1.27
5.99
0.71
−
−
0.25
1.50
0.51
0.25
5.05
4.00
−
6.20
1.27
0.10
8
O
A1
B
VIEW "A"
Dimensions in inches
MIN
NOM
MAX
0.055
0.063
0.069
0.040
0.051
0.013
0.0075
0.189
0.150
−
0.228
0.015
−
0
O
−
0.057
0.016
0.008
0.191
0.154
0.050
0.236
0.028
−
−
0.100
0.059
0.020
0.010
0.199
0.157
−
0.244
0.050
0.004
8
O
Anachip Corp.
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5/5
Rev.0B Dec.02, 2002
