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