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PDF SP435W Data sheet ( Hoja de datos )
| Número de pieza | SP435W | |
| Descripción | Dual OP AMP | |
| Fabricantes | SYNC POWER | |
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SP435W
Dual OP AMP with Voltage Regulator
DESCRIPTION
The SP435W is a monolithic IC specifically designed to
control the output current and voltage levels of switch
mode battery chargers and power supplies.
The device contains two operational amplifiers and a
precision shunt regulator. Op Amp 1 is designed for
voltage control, whose non-inverting input internally
connects to the output of the shunt regulator. Op Amp 2
is for current control with both inputs uncommitted. The
IC offers the power converter designer a control
solution that features increased precision with a
corresponding reduction in system complexity and cost.
APPLICATIONS
Battery Power Equipment
Linear Regulators
Switch Power Supply
Cellular Phone
Digital Cameras
Computer Disk Drivers
Instrumentation
FEATURES
Input offset voltage: 0.5mV
Supply current: 250 uA per Op Amp at 5.0V
supply voltage
Unity gain bandwidth: 1MHz
Output voltage swing: 0 to (VCC- 1.5) V
Power supply range: 3 to 18V
Fixed output voltage reference: 2.5V
Voltage tolerance: 1%
Sink current capability from 0.2 to 80mA
PIN CONFIGURATION ( SOP-8 )
PART MARKING
2012/01/05 V.1
Page 1
1 page  
SP435W
Dual OP AMP with Voltage Regulator
Symbol
Parameter
Conditions
Min. Typ. Max. Unit
OP AMP 2 SECTION (VCC+ = 5V, VO = 1.4V)
VIO
αVIO
Input Offset Voltage
Input Offset Voltage Temperature Drift
TA = 25°C
TA = -40°C~85°C
0.5 3.0
5.0
mV
7 μV/°C
IIO Input Offset Current
2 30 nA
IIB Input Bias Current (Inverting Input Only)
20 150
nA
VICR Input Common Mode Voltage Range
Vcc = 18V
Vcc – 1.5 V
CMRR
AVD
Common Mode Rejection Ratio
Large Signal Voltage Gain
TA = 25°C, VCM =
0~3.5V
70 85
VCC = 15V, RL = 2KΩ,
85 100
VO = 1.4~11.4V
dB
V/mV
KSVR
Io(SINK)
Power Supply Rejection Ratio
Output Sink Current
VCC+ = 5~18V
60 90
VCC = 15V, VID = -1V, 10 20
VO = 2V
dB
mA
Io(SOURCE)
Output Source Current
VCC = 15V, VID = 1V, VO 20
= 2V
40
mA
VOH
Output Voltage Swing High
VCC = 18V, VID = 1V, RL
= 10KΩ
16
16.5
V
VOL
Output Voltage Swing Low
VCC = 18V, VID = -1V, RL
= 10KΩ
17 100
mV
SR
Slew Rate
VCC = 18V, RL = 2KΩ,
0.2 0.5
V/μS
VI = 0.5~2V, CL= 100 pF
VCC = 18V, RL = 2KΩ,
GBW
Gain Bandwidth Product
VI = 10mV, CL = 100 pF, 0.5 1
f = 100KHz
MHz
2012/01/05 V.1
Page 5
5 Page | ||
| Páginas | Total 7 Páginas | |
| PDF Descargar | [ Datasheet SP435W.PDF ] | |
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