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SP6120B 数据表(PDF) 2 Page - Sipex Corporation

部件名 SP6120B
功能描述  Low Voltage, AnyFETTM, Synchronous ,Buck Controller Ideal for 2A to 10A, High Performance, DC-DC Power Converters
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制造商  SIPEX [Sipex Corporation]
网页  http://www.sipex.com
标志 SIPEX - Sipex Corporation

SP6120B 数据表(HTML) 2 Page - Sipex Corporation

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Date: 5/25/04
SP6120B Low Voltage, AnyFETTM, Synchronous, Buck Controller
© Copyright 2004 Sipex Corporation
SPECIFICATIONS
Unless otherwise specified: 3.0V < VCC <5.5V, 3.0V < BST < 13.2V, ROSC = 18.7kΩ, CCOMP = 0.1µF, CSS = 0.1µF, ENABLE =
3V, CGH = CGL = 3.3nF, VFB = 1.25V, ISP = ISN = 1.25V, SWN = GND = PGND = 0V, -40°C < TAMB <85°C (Note 1)
ABSOLUTE MAXIMUM RATINGS
These are stress ratings only and functional operation
of the device at these ratings or any other above those
indicated in the operation sections of the specifications
below is not implied. Exposure to absolute maximum
rating conditions for extended periods of time may
affect reliability.
V
CC ............................................................................... 7V
BST ........................................................................ 13.2V
BST-SWN .................................................................... 7V
SWN .................................................................. -1V to 7V
GH ..................................................... -0.3V to BST +0.3V
GH-SWN ..................................................................... 7V
All Other Pins ....................................... -0.3V to V
CC +0.3V
Peak Output Current < 10µs
GH, GL ........................................................................ 2A
Operating Temperature Range
SP6120C ................................................ 0°C to +70°C
SP6120E .............................................. -40°C to +85°C
Junction Temperature, T
J ...................................... +125°C
Storage Temperature Range .................. -65˚C to +150˚C
Power Dissipation
Lead Temperature (soldering 10 sec) ................... +300˚C
ESD Rating ........................................................ 2kV HBM
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
QUIESCENT CURRENT
VCC Supply Current
No Switching
-
0.95
1.8
mA
VCC Supply Current (Disabled)
ENABLE = 0V
-
5
20
µA
BST Supply Current
No Switching, VBST = VCC
-1
20
µA
No Switching, VCC = 5V, VBST = 10V
-
100
150
µA
ERROR AMPLIFIER
Error Amplifier Transconductance
600
µs
COMP Sink Current
VFB = 1.35V, COMP = 0.5V, No Faults
15
35
65
µA
COMP Source Current
VFB = 1.15V, COMP = 1.6V
15
35
65
µA
COMP Output Impedence
3
MΩ
VFB Input Bias Current
-
60
100
nA
REFERENCE
Error Amplifier Reference
Trimmed with Error Amp in Unity Gain
1.238
1.250
1.262
V
VFB 3% Low Comparator
3
%VREF
VFB 3% High Comparator
3
%VREF
OSCILLATOR & DELAY PATH
Oscillator Frequency
270
300
330
kHz
Oscillator Frequency #2
ROSC = 10.2kΩ
450
500
550
kHz
Duty Ratio
Loop In Control -100% DC possible
95
%
ROSC Voltage
Information Only - Moves
0.65
V
with Oscillator Trim
Minimum GH Pulse Width
VCC > 4.5V, Ramp up COMP
120
250
ns
Voltage > 0.6V until GH starts
Switching


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