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SP6120HV Datasheet(PDF) 3 Page - Sipex Corporation

Part No. SP6120HV
Description  High Voltage, Synchronous ,Buck Controller Ideal for 2A to 20A, High Performance, DC-DC Power Converters
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Maker  SIPEX [Sipex Corporation]
Homepage  http://www.sipex.com
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SP6120HV Datasheet(HTML) 3 Page - Sipex Corporation

 
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Date: 5/25/04
SP6120HV Low Voltage, Synchronous Buck Controller
© Copyright 2004 Sipex Corporation
SPECIFICATIONS: continued
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)
Note 1: Specifications to -40°C are guaranteed by design, characterization and correlation with statistical process control.
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
SOFTSTART
SS Charge Current
VSS = 1.5V
25
50
70
µA
SS Discharge Current
VSS = 1.5V
2
5
7
µA
COMP Discharge Current
VCOMP = 0.5V, Fault Initiated
200
500
-
µA
COMP Clamp Voltage
VFB < 1.0V, VSS = 2.5V
2.0
2.4
2.8
V
SS Ok Threshold
1.7
2.0
2.2
V
SS Fault Reset
0.2
0.25
0.3
V
SS Clamp Voltage
2.0
2.4
2.8
V
OVER CURRENT & ZERO CURRENT COMPARATORS
Over Current Comparator
Rail to Rail Common Mode Input
32
43
54
mV
Threshold Voltage
ISN, ISP Input Bias Current
-
60
250
nA
Zero Current Comparator
VISP - VISN
2
mV
Threshold
UVLO
VCC Start Threshold
2.75
2.85
2.95
V
VCC Stop Threshold
2.65
2.75
2.9
V
ENABLE
Enable Threshold
ON
1.45
OFF
0.65
V
Enable Pin Source Current
0.6
4
9
µA
GATE DRIVER
GH Rise Time
VCC > 4.5V
-
40
110
ns
GH Fall Time
VCC > 4.5V
-
40
110
ns
GL Rise Time
VCC > 4.5V
-
40
110
ns
GL Fall Time
VCC > 4.5V
-
40
110
ns
GH to GL Non-Overlap Time
VCC > 4.5V
0
60
140
ns
GL to GH Non-Overlap Time
VCC > 4.5V
0
60
140
ns
VBST OK Threshold
VCC = 3.0V, FB=1.15V, Search GL High
4.0
4.8
5.0
V
VCC = 5.5V, FB=1.15V, Search GL High
7.3
7.8
8.3
V
Forced GL ON
VBST < VBST OK Threshold, FB =1.15V
200
350
650
ns


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