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ISL78206AVEZ Datasheet(PDF) 7 Page - Intersil Corporation

Part No. ISL78206AVEZ
Description  40V 2.5A Buck Controller with Integrated High-side 40V 2.5A Buck Controller with Integrated High-side
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Maker  INTERSIL [Intersil Corporation]
Homepage  http://www.intersil.com/cda/home
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ISL78206AVEZ Datasheet(HTML) 7 Page - Intersil Corporation

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ISL78206
7
FN8618.2
March 25, 2015
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OSCILLATOR
PWM Frequency
fOSC
RT = 665kΩ
160
200
240
kHz
RT = 51.1kΩ
1870
2200
2530
kHz
FS Pin connected to VCC or Floating or GND
450
500
550
kHz
MIN ON Time
tMIN_ON
130
225
ns
MIN OFF Time
tMIN_OFF
210
330
ns
SYNCHRONIZATION
Input High Threshold
VIH
2V
Input Low Threshold
VIL
0.5
V
Input Minimum Pulse Width
25
ns
Input Impedance
100
Input Minimum Frequency Divided by Free Running
Frequency
1.1
Input Maximum Frequency Divided by Free Running
Frequency
1.6
Output Pulse Width
CSYNC = 100pF
100
ns
Output Pulse High
VOH
RLOAD = 1kΩ
VCC-
0.25
V
Output Pulse Low
VOL
GND
V
REFERENCE VOLTAGE
Reference Voltage
VREF
0.8
V
System Accuracy
-1.0
1.0
%
FB Pin Source Current
5nA
SOFT-START
Soft-start Current
ISS
3
5
7
µA
ERROR AMPLIFIER
Unity Gain-bandwidth
CLOAD = 50pF
10
MHz
DC Gain
CLOAD = 50pF
88
dB
Maximum Output Voltage
3.6
V
Minimum Output Voltage
0.5
V
Slew Rate
SR
CLOAD = 50pF
5
V/µs
INTERNAL HIGH-SIDE MOSFET
Upper MOSFET rDS(ON)
rDS(ON)_UP
(Note 6) Limits apply for +25°C
127
140
LOW-SIDE MOSFET GATE DRIVER
LGate Source Resistance
100mA Source Current
3.5
Ω
LGATE Sink Resistance
100mA Sink Current
2.8
Ω
POWER GOOD MONITOR
Overvoltage Rising Trip Point
VFB/VREF
Percentage of Reference Point
104
110
116
%
Overvoltage Rising Hysteresis
VFB/VOVTRIP
Percentage Below OV Trip Point
3
%
Electrical Specifications Refer to “Block Diagram” on page 4 and Typical Application Schematics on page 5. Operating Conditions
Unless Otherwise Noted: VIN = 12V, or VCC = 4.5V, TA = -40°C to +105°C. Typicals are at TA = +25°C. Boldface limits apply across the operating
temperature range, -40°C to +105°C. (Continued)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
(Note 7)TYP
MAX
(Note 7)UNITS


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