ISL6721ABZ Intersil, ISL6721ABZ Datasheet - Page 7

• Manufacturer Part Number: ISL6721ABZ
• Description: IC CTRLR PWM SGL ENDED 16-SOIC
• Manufacturer: Intersil

Specifications of ISL6721ABZ

• Pwm Type: Current Mode
• Number Of Outputs: 1
• Frequency - Max: 1MHz
• Duty Cycle: 100%
• Voltage - Supply: 9 V ~ 18 V
• Buck: Yes
• Boost: Yes
• Flyback: Yes
• Inverting: No
• Doubler: No
• Divider: No
• Cuk: No
• Isolated: Yes
• Operating Temperature: -40°C ~ 105°C
• Package / Case: 16-SOIC (3.9mm Width)
• Frequency-max: 1MHz
• Peak Reflow Compatible (260 C): Yes
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Electrical Specifications
SOFT-START
Charging Current
Charged Threshold Voltage
Initial Overcurrent Discharge Current
Overcurrent Shutdown Threshold Voltage
Fault Discharge Current
Reset Threshold Voltage
SLOPE COMPENSATION
Charge Current
Slope Compensation Gain
Discharge Voltage
GATE OUTPUT
Gate Output Limit Voltage
Gate VOH
Gate VOL
Peak Output Current
Output “Faulted” Leakage
Rise Time
Fall Time
Minimum ON time
OVERCURRENT PROTECTION
Minimum ISET Voltage
Maximum ISET Voltage
ISET Bias Current
Restart Delay
OV AND UV VOLTAGE MONITOR
Overvoltage Threshold
Undervoltage Fault Threshold
Undervoltage Clear Threshold
PARAMETER
7
Recommended operating conditions unless otherwise noted. Refer to Block Diagram and Typical Application
schematic on page 2 and page 3. 9V < V
Typical values are at T
SS = 2V
Sustained OC Threshold < SS <
Charged Threshold
Charged Threshold minus,
T
SS = 2V
T
SLOPE = 2V, 0°C to +105°C
-40°C to +105°C
Fraction of slope voltage added to
I
Fraction of slope voltage added to
I
V
V
I
V
I
GATE - PGND, IOUT = 150mA
IOUT = 10mA
V
V
V
1V < GATE < 9V
V
1V < GATE < 9V
ISET = 0.5V; V
ISENSE to GATE w/10:1 Divider
RTCT = 4.75V through 1kΩ
(Note 5)
V
T
SENSE
SENSE
OUT
OUT
A
A
A
RTCT
C
C
C
C
C
C
ISET
A
= +25°C
= +25°C
= +25°C
= 20V, C
- GATE, V
= 20V, C
= 20V, UV = 0V, GATE = 2V
= 20V, C
= 20V, C
= +25°C. (Continued)
= 0mA
= 150mA
= 1.00V
TEST CONDITIONS
, T
= 4.5V
(Note 3)
A
ISL6721
= +25°C
GATE
GATE
GATE
GATE
C
FB
= 10V,
= 1nF,
= 1nF (Note 5)
= 1nF
= 1nF
= 0V; VC = 11V
CC
= V
C
< 20V, R
T
0.095
0.097
0.082
= 11kΩ, Ct = 330 pF, T
MIN
4.26
0.25
0.22
11.0
1.38
1.41
-1.0
150
-40
-45
-41
1.2
1.2
2.4
30
-
-
-
-
-
-
-
-
0.125
TYP
4.50
0.27
13.5
1.45
1.53
295
-55
-53
-53
1.0
0.1
1.5
1.2
0.6
1.0
2.6
2.5
40
60
15
-
-
-
-
-
-
A
= -40 to +105°C (Note 3),
0.155
0.103
0.118
MAX
4.74
0.31
16.0
0.35
1.52
1.62
100
445
-70
110
-65
-65
0.2
2.2
1.5
0.8
1.0
2.6
55
40
-
-
-
-
March 5, 2008
UNITS
mA
V/V
V/V
mA
ms
µA
µA
µA
µA
ns
ns
ns
V
V
V
V
V
V
V
A
V
V
V
V
V
FN9110.6