APW38HC42A/3A/4A/5A
Electrical Characteristics (Cont.)
V
DD
=15V, Note3 ; RT=9.09KΩ; CT=3.3nF; -40
o
C
≤
T
A
≤
85
o
C; unless noted
Symbol
ERROR
I
FB
A
VOL
BW
Parameter
Test Conditions
V
FB
=5V
2≤ V
O
≤
4V
12≤ V
DD
≤
18V
V
FB
=2.7V, V
COMP
=1.1V
V
FB
=2.3V, V
COMP
=5V
V
FB
=2.3V, R
L
=15k to GND
V
FB
=2.7V, R
L
=15k to VREF
Notes 1,2
V
COMP
=5V, Note 1
12≤ V
DD
≤
18V, Note 1
V
ISNS
=5V
60
0.7
60
2
-0.5
5
70
1.0
7
-1
5.4
0.01
3.0
1.0
70
120
Sourcing Current = 200mA
Sinking Current = 200mA
T
A
=25°C, C
L
=1nF
T
A
=25°C, C
L
=1nF
APW38HC42/4A 13.5
APW38HC43/5A 7.8
APW38HC42/4A 8.0
APW38HC43/5A 7.0
APW38HC42/3A
APW38HC44/5A
94
46
6.3
4
15
10
14.5
8.4
9.0
7.6
96
50
0
30
25
2.0
150
150
4.0
30
20
15.5
9.0
10.0
8.2
APW38HC4XA
Min.
Typ.
Max.
0.1
Unit
µA
dB
MHz
dB
mA
mA
V
V
V/V
V
dB
µA
ns
Ω
ns
ns
V
V
AMPLIFIER
Input Bias Current
Open Loop Gain
Unity Gain Bandwidth
PSRR
Output Sink Current
Output Source Current
V
OH
Output Voltage (High)
V
OL
Output Voltage (Low)
CURRENT SENSE
A
Gain
V
THM
Maximum Threshold
PSRR
I
ISNS
Input Bias Current
T
D
Delay to Output
OUTPUT
R
DS(ON)
High
R
DS(ON)
Low
t
R
Rise Time
t
F
Fall Time
UNDERVOLTAGE LOCKOUT
V
DD(ST)
Start Threshold
V
DD(MIN)
Minimum Operating Voltage
PULSE WIDTH MODULATOR
D
MAX
D
MIN
Maximum Duty Cycle
Minimum Duty Cycle
1.1
3.15
1.1
0.1
250
2.85
0.9
%
%
TOTAL STANDBY CURRENT
V
DD
=13V, APW38HC42/4A
V
DD
=7.5V, APW38HC43/5A
I
DD(OP)
Operating Supply Current
V
FB
=V
ISNS
= 0V, C
L
=1nF
Note 1 : Parameter measured at trip point of latch with V
FB
=0V.
I
DD(ST)
Start-Up Current
µA
mA
Note 2 : Gain defined as :
A=
∆V
COMP
, 0<V
TH(ISNS)
<0.8V
∆V
TH(ISNS)
Note 3 : Adjust V
DD
above the start threshold before setting at 15V.
Note 4 : Output frequency equals oscillator frequency for the APW38HC42A and APW38HC43A. Output
frequency for APW38HC44A and APW38HC45A equals one half of the oscillator frequency.
Copyright
ANPEC Electronics Corp.
Rev. A.7 - Jan., 2003
4
www.anpec.com.tw
ANPEC [ ANPEC ELECTRONICS COROPRATION ]
