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FSP3601 数据表(PDF) 3 Page - FOSLINK SEMICONDUCTOR CO.,LTD

部件名 FSP3601
功能描述  STEP-UP DC/DC CONTROLLER
PDF  14 Pages
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制造商  FOSLINK [FOSLINK SEMICONDUCTOR CO.,LTD]
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标志 FOSLINK - FOSLINK SEMICONDUCTOR CO.,LTD

FSP3601 数据表(HTML) 3 Page - FOSLINK SEMICONDUCTOR CO.,LTD

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STEP-UP DC/DC CONTROLLER
2007-6-6
3/14
FSP3601
DC ELECTRICAL CHARACTERISTICS (CONTINUED)
Short Circuit Protection section (S.C.P.)
Parameter
Symbol
Test Conditions
Min.
Typ.
Max.
Unit
Input source current
ISCP
VSCP=0V
-1.5
-1.0
-0.7
μ
A
S.C.P. threshold voltage
VSCP
0.7
0.8
0.9
V
Oscillator section
Parameter
Symbol
Test Conditions
Min.
Typ.
Max.
Unit
Oscillation frequency
f
RT=3.0KΩ, CT=270pF
400
500
600
KHz
Frequency change with voltage
∆f/∆V
VCC=2V to 15V
2
10
%
Frequency change with temperature
∆f/∆T
Ta=0℃ to 85℃
5
%
Idle Period Adjustment section
Parameter
Symbol
Test Conditions
Min.
Typ.
Max.
Unit
Maximum duty cycle
TDUTY
RT=3.0KΩ,
CT=270pF,VFB=0.8V
75
85
%
Total device section
Parameter
Symbol
Test Conditions
Min.
Typ.
Max.
Unit
Stand-by current
ISTANDBY
Pin4 is open or VCC
1
µA
Average supply current
IAVE
RB=390Ω, VCC=0∽20V
5.0
10
mA
Error Amplifier section
Parameter
Symbol
Test Conditions
Min.
Typ.
Max.
Unit
Input threshold voltage
VFB
VCOMP=450mV
480
500
520
mV
VT change with voltage
∆VFB/∆V
VCC=2V to 15V
5
20
mV
VT change with temperature
∆VFB/∆V
Ta=-10℃ to 85℃
1
%
Input basic current
IB
-1.0
-0.2
1.0
µA
Voltage Gain
AV
100
V/V
Frequency bandwidth
BW
AV=0dB
6
MHz
Positive
VPOS
0.78
0.87
Output voltage
Swing
Negative
VNEG
0.05
0.2
V
Output source current
ISOURCE
-40
-24
µA
Output sink current
ISINK
VCOMP=450mV
24
40
µA
Output section
Parameter
Symbol
Test Conditions
Min.
Typ.
Max.
Unit
Output high voltage
VOH1
RB=390Ω,IO=-15mA
1.0
1.2
V
Output high voltage
VOH2
RB=750Ω,IO=-10mA,VCC=1.8V
0.8
1.0
V
Output saturation voltage
VOl1
RB=390Ω,IO=15mA
0.1
0.2
V
Output saturation voltage
VOl2
RB=750Ω,IO=10mA,VCC=1.8V
0.1
0.2
V
Output source current
IOSOURCE
RB=390Ω,VO=-0.9V
-40
-20
mA
Output sink current
IOSINK
RB=390Ω,VO=-0.3V
30
40
mA
Internal pull-down resistor
RO
20
30
40
KΩ
Output Current Setting / Control section
Parameter
Symbol
Test Conditions
Min.
Typ.
Max.
Unit
Pin voltage
VBR
RB=390Ω
0.15
0.22
0.3
V
Input off condition
IOFF
-20
0
µA
Input on condition
ION
-4.5
µA
Pin current range
IBR
-1.8
-0.1
mA



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