FA5527 FUJI [Fuji Electric], FA5527 Datasheet - Page 7

• Manufacturer Part Number: FA5527
• Description: Fuji Switching Power Control IC
• Manufacturer: FUJI [Fuji Electric]

AN-087E Rev.1.0
April-2011
(2) Recommended operating conditions
(3) Electrical characteristics (Vcc=18V, Tj=25℃, unless otherwise specified)
Oscillator (FB pin)
Pulse width modulator (FB pin)
*1 The frequency become much smaller than 1.1kHz when intermittent switching occurs at light load near no load.
Fuji Electric Co., Ltd.
Item
Supply voltage
VH pin voltage
VH pin series resistor
CS pin capacitor
VCC pin capacitor
Item
Oscillating frequency
Supply voltage stability
Temperature stability
FB pin voltage for starting
frequency variation
Frequency reduction ratio
Oscillating frequency
at light load
Minimum frequency *1
Item
Maximum duty cycle
Minimum duty cycle
FB voltage for pulse stop
FB pin current
DC Voltage
AC Line
Voltage
Symbol
Fosc
Fdv
FdT
VfbM
kf
F06
Fmin
Symbol
D
D
V
I
fb0
THFB0
MAX
MIN
FA5526/5527/5528/5536/5537/5538
Symbol
V
V
V
R
C
C
CC
VH(DC)
VH(AC)
VH
CS
VCC
Condition
FB=3V
Vcc = 10 to 26V
Ta = -30 to 85℃
⊿ f/⊿ VFB
at FB pin
FB pin
=0.6V
Condition
FB pin = 3V, CS pin = 3V
FB pin = 0V, CS pin = 3V
Duty cycle = 0%
FB pin = 0V
=0.8V
to 0.9V
MIN
10
80
80
2.2
0.01
10
FA5526/36
FA5527/37
FA5528/38
FA5526/36
FA5527/37
FA5528/38
FA5526/36
FA5527/37
FA5528/38
7
TYP
18
33
MIN
117
90
54
-2
0.95
0.4
MIN
76
200
-620
http://www.fujielectric.co.jp/products/semiconductor/
MAX
26
450
288
47
1
TYP
130
100
60
+0.025
1.05
310
240
140
1.1
1.1
1.1
1.1
TYP
80
280
-520
MAX
143
110
66
2
1.15
3.0
MAX
84
0
360
-420
Unit
V
V
V
k ohm
µF
µF
(DC)
(AC)
Unit
kHz
%
%/℃
V
kHz/V
kHz
kHz
Unit
%
%
mV
uA