FAN8038 데이터 시트보기 (PDF) - Fairchild Semiconductor
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FAN8038 Datasheet PDF : 17 Pages
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FAN8038 (KA3038)
Electrical Characteristics (Continued)
Parameter
Symbol
PWM POWER SUPPLY DRIVING
PWM sink current
IPWM
DVCC level shift voltage
VSHIF
DVCC leak current
IDLK
PWM amp transfer gain
GPWM
DC/DC CONVERTER
ERROR AMP
SVCC1 pin threshold voltage
VS1TH
ERRO pin output voltage H
VEOH
ERRO pin output voltage L
VEOL
SHORT CIRCUIT PROTECTION
SCP pin voltage
VSCP
SCP pin current 1
ISCP1
SCP pin current 2
ISCP2
SCP pin current 3
ISCP3
SCP pin impedance
RSCP
SCP pin threshold voltage
VSCPTH
Over-voltage protection detect VOVP
TRANSISTOR DRIVING
BDSW pin output voltage 1H
VSW1H
BDSW pin output voltage 2H
VSW2H
BDSW pin output voltage 2L
BDSW pin oscillating reequency 1
SW pin oscillating reequency 2
BDSW pin oscillating reequency 3
BDSW pin minimum pulse width
VSW2L
fSW1
fSW2
fSW3
TSWMIN
Pulse duty start
DSW1
MAX. pulse duty at self-running DSW2
MAX. pulse duty at CLKIN
synchronization
DSW3
Conditions
DI1=2.1V
DI1=1.8V, DVCC-OUT1F
DVCC=9V, SVCC1,2=BATT=0V
DI1=1.8V, DVCC=1.2V ~ 1.4V
-
ERRI=0.7V, IO=−100µA
ERRI=1.3V, IO=100µA
ERRI=1.3V
ERRI=0.7V
ERRI=1.3V, OFF=0V
ERRI=1.3V, BATT=9.5V
-
ERRI=0.7V, COSC=470PF
OVP Voltage
BATT=COSC=1.5V
=SVCC2=0V, 10mA
COSC=0V, IO=−10mA,
ERRI=0.7V
SCP=0V
CT=2V, IO=1-mA
COSC=470pF, =SVCC2=0V
COSC=470pF, CLKIN=0V
COSC=470pF
COSC=470pF, ERRO=0.5 →
0.7V
COSC=470PF,
SVSS1,SVCC2=0V
COSC=470pF, ERR0=0.8V,
CLKIN=0V
ERR0=0.8V, COSC=470pF
Min.
10
0.35
-
1/60
3.05
1.4
-
-
6
12
12
175
1.10
9.5
0.78
1.0
-
65
60
-
0.01
40
50
45
Typ.
13
0.45
0
1/50
3.20
1.6
-
0
10
20
20
220
1.20
10
0.98
1.5
0.3
80
70
88.2
-
50
60
55
Max. Units
17 mA
0.55 V
5
µA
1/40 1/KΩ
3.35 V
-
V
0.3
V
0.1
V
16 µA
32 µA
32 µA
265 KΩ
1.30 V
10.5 V
1.13 V
-
V
0.45 V
95 KHz
82 KHz
- KHz
0.6 µs
60
%
70
%
65
%
7
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