APW7037/A/B
Thermal Characteristics
Symbol
θ
JA
Parameter
Thermal Resistance in Free Air
8-pin SOIC
8-pin TSSOP
Value
160
124
Unit
°C/W
Electrical Characteristics
Unless otherwise specified, these specifications apply over VCC=5V, VC=12V and T
A
=0 to 70°C. Typical
values refer to T
A
=25°.
APW7037/A/B
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
SUPPLY CURRENT
I
CC
I
C
I
CCQ
I
CQ
VCC Dynamic Supply
Current
VC Dynamic Supply Current
VCC Static Supply Current
VC Static Supply Current
Rising VCC Threshold
VCC POR Hysteresis
Rising VC Threshold
VC POR Hysteresis
OSCILLATOR
APW7037
F
OSC
∆V
OSC
I
FB1
I
FB2
GM
Free Running Frequency
Ramp Amplitude
FB Pin Input Bias Current
FB Pin Input Bias Current
Transconductance
SS=3V, V
FB
=1V
SS=0V, V
FB
=1V
450
APW7037A
APW7037B
ERROR AMPLIFIER
1
-64
600
750
nA
µA
µmho
180
360
180
200
400
200
1.10
220
440
220
V
KHz
3.1
F
OSC
=200KHz, C
L
=1500pF
F
OSC
=200KHz, C
L
=1500pF
SS=GND
SS=GND
2
2
0.5
0.2
4.0
3
5.5
1.5
0.4
4.2
0.25
3.3
0.2
3.5
5
8
3
1
4.4
mA
mA
mA
mA
V
V
V
V
Unit
POWER-ON RESET
REFERENCE VOLTAGE
APW7037 1.225 1.250 1.275
V
FB
LREG
FB Pin Regulation Voltage
V
FB
Line Regulation
VCC = 5~12V
3
APW7037A 0. 784 0. 800 0. 816
APW7037B 0.784 0.800 0.816
0.2
0.35
V
%
Copyright
ANPEC Electronics Corp.
Rev. A.6 - Apr, 2005
www.anpec.com.tw
ANPEC [ ANPEC ELECTRONICS COROPRATION ]
