ISL6540_06 Datasheet, PDF (7/20 Pages) Intersil Corporation – Single-Phase Buck PWM Controller with Integrated High Speed MOSFET Driver and Pre-Biased Load Capability

ISL6540
Electrical Specifications Recommended Operating Conditions, Unless Otherwise Noted (Continued)
SYMBOL
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX UNITS
OSCILLATOR
OSC_RANGE
∆OSC_COM
∆OSC_IND
∆V_OSC
V_{OSC_MIN}
VFF
Nominal Frequency Range
Total Variation
Ramp Amplitude
Ramp Bottom
Minimum Usable VFF Voltage
GBD
FS = 250kHz, 600 kHz, VFF = 3.3V to 20V
FS = 250kHz, 600 kHz, VFF = 3.3V to 20V
VCC = 5V
250
-
2000
-17
-
+17
-22
-
+22
-
0.16*VFF
-
-
1.0
-
-
3.3
-
kHz
%
%
V_P-P
V
V
PWM
D_MAX
Maximum Duty Cycle
D_MIN
Minimum Duty Cycle
REFERENCE TRACKING
Leading and Trailing-edge Modulation
Leading and Trailing-edge Modulation
-
100
-
%
-
0
-
%
V_REFIN
V_{REFIN_OS}
I_REFOUT
V_REFOUT
V_{REFOUT_OS}
C_{REFOUT_MIN}
V_{REFIN_DIS}
REFERENCE
Input Voltage Range
External Reference Offset
Maximum Drive Current
Output Voltage Range
Maximum Output Voltage Offset
Minimum Load Capacitance
Input Disable Voltage
REFIN = 0.6V
C_L = 1µF, VCC = 5V, REFOUT = 1.25V
C_L = 1µF
C_L = 1µF REFOUT = 1.25V
REFOUT = 1.25V
0.07
-
VCC-1.8V V
-1.2
0
1.8
mV
-
19
-
mA
0.01
-
VCC-1.8V V
-6
-
9
mV
-
1.0
-
µF
-
VCC
-
V
V_{REF_COM} Reference Voltage
V_{REF_IND}
V_{SYS_COM} System Accuracy
V_{SYS_IND}
ERROR AMPLIFIER
T_A = 0°C to 70°C
T_A = -40°C to 85°C
T_A = 0°C to 70°C
T_A = -40°C to 85°C
0.586
0.591
0.595
V
0.584
0.591
0.596
V
-0.85
-
0.70
%
-1.20
-
0.85
%
DC Gain
UGBW
Unity Gain-Bandwidth
SR
Slew Rate
DIFFERENTIAL AMPLIFIER
R_L = 10K, C_L = 100p, at COMP Pin
R_L = 10K, C_L = 100p, at COMP Pin
R_L = 10K, C_L = 100p, at COMP Pin
-
88
-
dB
-
15
-
MHz
-
6
-
V/µs
UG
DC Gain
Standard Instrumentation Amplifier
-
0
-
dB
UGBW
Unity Gain Bandwidth
-
20
-
MHz
SR
Slew Rate
COMP = 10pF
-
10
-
V/µs
Offset
-3
0
3
mV
I_VSEN-
Negative Input Source Current
Input Common Mode Range Max
-
6
µA
-
VCC-1.8
-
V
Input Common Mode Range Min
-
-0.2
-
V
V_{VSEN_DIS} VSEN- Disable Voltage
OPERATIONAL TRANSCONDUCTANCE AMPLIFIER (OTA)
-
VCC
-
V
DC Gain
Drive Capability
C_SS = 0.1µF, at SS Pin
C_SS = 0.1µF, at SS Pin
-
88
-
dB
28
38
50
µA
7
FN9214.0
March 9, 2006