ISL6540ACRZ Intersil, ISL6540ACRZ Datasheet - Page 6

• Manufacturer Part Number: ISL6540ACRZ
• Description: IC CTLR PWM BUCK 1PHASE 28-QFN
• Manufacturer: Intersil

Specifications of ISL6540ACRZ

• Pwm Type: Voltage Mode
• Number Of Outputs: 1
• Frequency - Max: 2MHz
• Duty Cycle: 100%
• Voltage - Supply: 2.97 V ~ 22 V
• Buck: Yes
• Boost: No
• Flyback: No
• Inverting: No
• Doubler: No
• Divider: No
• Cuk: No
• Isolated: No
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 28-VQFN Exposed Pad, 28-HVQFN, 28-SQFN, 28-DHVQFN
• Frequency-max: 2MHz
• Number Of Pwm Outputs: 1
• On/off Pin: No
• Adjustable Output: Yes
• Topology: Buck
• Switching Freq: 250 TO 2000kHz
• Operating Supply Voltage (max): 5.5V
• Output Current: 4A
• Output Voltage: 0.6 to 20V
• Synchronous Pin: No
• Operating Temperature Classification: Commercial
• Mounting: Surface Mount
• Pin Count: 28
• Package Type: QFN EP
• Rohs Compliant: YES
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Absolute Maximum Ratings
Input Voltage, VIN, VFF, HSOC . . . . . . . . . . . . . . . . -0.3V to +22.0V
Driver Bias Voltage, PVCC . . . . . . . . . . . . . . . . . . . . -0.3V to +6.5V
Signal Bias Voltage, VCC . . . . . . . . . . . . . . . . . . . . . -0.3V to +6.5V
BOOT Voltage, V
BOOT to PHASE Voltage (V
PHASE Voltage, V
UGATE Voltage . . . . . . . . . . . . . . . . V
LGATE Voltage . . . . . . . . . . . . . . . GND - 0.3V (DC) to VCC + 0.3V
Other Input or Output Voltages . . . . . . . . . . . . . -0.3V to VCC +0.3V
CAUTION: Do not operate at or near the maximum ratings listed for extended periods of time. Exposure to such conditions may adversely impact product reliability and
result in failures not covered by warranty.
NOTES:
Electrical Specifications
INPUT SUPPLY CURRENTS
POWER-ON RESET
ENABLE
1. θ
2. θ
3. Limits should be considered typical and are not production tested.
POR
POR
POR
POR
POR
POR
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to 9V (<10ns)
. . . . . . . . . . . . . . . . . . . . . .V
POR
POR
POR
SYMBOL
V
I
I
I
PVCC_S
EN_HYS
I
EN_REF
I
VCC_S
JA
JC
VIN_S
I
PVCC
I
V
VCC
PVCC_R
PVCC_H
PVCC_F
VIN
VCC_R
VCC_H
VCC_F
VFF_R
VFF_F
VFF_H
EN
, "case temperature" location is at the center of the package underside exposed pad. See Tech Brief TB379 for details.
is measured in free air with the component mounted on a high effective thermal conductivity test board with “direct attach” features.
GND - 2.5V (<20ns Pulse Width, 5µJ) to VCC + 0.3V
V
BOOT
Nominal VCC Supply Current
Nominal PVCC Supply Current
Nominal VIN Supply Current
Shutdown VCC Supply Current
Shutdown PVCC Supply Current EN = 0V, VCC = PVCC = VIN = 5V
Shutdown VIN Supply Current
Rising VCC Threshold
Falling VCC Threshold
VCC Hysterisis
Rising PVCC Threshold
Falling PVCC Threshold
PVCC Hysterisis
Rising VFF Threshold
Falling VFF Threshold
VFF Hysterisis
Input Reference Voltage
Hysteresis Source Current
Maximum Input Voltage
PHASE
PHASE
. . . . . . . . . . . . . . . . . . . . . . . . . -0.3 to +36V
- 5V (<20ns Pulse Width, 10µJ) to V
. . . . . . . . . V
PARAMETER
BOOT-
BOOT
6
V
Recommended Operating Conditions, Unless Otherwise Noted. Parts are 100% tested at +25°C. Temperature
limits established by characterization and are not production tested.
PHASE
- 9V (<10ns) to V
PHASE
BOOT
) . . . . . -0.3V to 7V (DC)
- 0.3V (DC) to V
- 7V to V
VIN = VCC = PVCC = 5V, Fs = 600kHz,
UGATE and LGATE Open
VIN = VCC = PVCC = 5V; Fs = 600kHz,
UGATE and LGATE Open
VIN = VCC = PVCC = 5V; Fs = 600kHz,
UGATE and LGATE Open
EN = 0V, VCC = PVCC = VIN = 5V
EN = 0V, VCC = PVCC = VIN = 5V
BOOT
BOOT
+ 0.3V
+ 0.3V
BOOT
BOOT
ISL6540A
TEST CONDITIONS
Thermal Information
Thermal Resistance (Notes 1, 2)
Maximum Junction Temperature . . . . . . . . . . . . . . . . . . . . . +150°C
Maximum Storage Temperature Range . . . . . . . . . .-65°C to +150°C
Pb-free reflow profile . . . . . . . . . . . . . . . . . . . . . . . . . .see link below
Recommended Operating Conditions
Input Voltage, VIN, VFF . . . . . . . . . . . . . . . . . . . . 3.3V to 20V ±10%
Driver Bias Voltage, PVCC . . . . . . . . . . . . . . . . . . . . . . 2.9V to 5.5V
Signal Bias Voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . 2.9V to 5.5V
Boot to Phase Voltage (Overcharged), V
Ambient Temperature Range. . . . . . . . . . . . . . . . . . .-40°C to +85°C
Junction Temperature Range. . . . . . . . . . . . . . . . . .-40°C to +125°C
http://www.intersil.com/pbfree/Pb-FreeReflow.asp
QFN Package . . . . . . . . . . . . . . . . .
0.485
2.79
2.79
MIN
2.59
2.59
1.48
1.35
187
193
127
7.5
-
-
-
-
-
-
-
VCC + 0.3
0.500
TYP
215
215
137
0.5
0.5
10
8
3
3
1
-
-
-
-
-
-
BOOT
θ
JA
32
(°C/W)
- V
PHASE
0.515
MAX
2.89
2.69
2.91
2.70
1.54
1.41
11.5
250
250
146
13
4
1
4
2
1
-
October 7, 2008
θ
. . . . . .<6V
JC
UNITS
FN6288.5
(°C/W)
5
mA
mA
mA
mA
mA
mA
mV
mV
mV
µA
V
V
V
V
V
V
V
V