ISL6540_06 Datasheet, PDF (8/20 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
GATE DRIVERS
R_UGATE
Ugate Source Resistance
I_UGATE
Ugate Source Saturation Current
R_UGATE
Ugate Sink Resistance
I_UGATE
Ugate Sink Saturation Current
R_LGATE
Lgate Source Resistance
I_LGATE
Lgate Source Saturation Current
R_LGATE
Lgate Sink Resistance
I_LGATE
Lgate Sink Saturation Current
INTERNAL LINEAR REGULATOR
500mA Source Current, PVCC = 5.0V
V_UGATE-PHASE = 2.5V, PVCC = 5.0V
500mA Sink Current, PVCC = 5.0V
V_UGATE-PHASE = 2.5V, PVCC = 5.0V
500mA Source Current, PVCC = 5.0V
V_LGATE = 2.5V, PVCC = 5.0V
500mA Sink Current, PVCC = 5.0V
V_LGATE = 2.5V, PVCC = 5.0V
-
1.0
-
2.0
-
1.0
-
2.0
-
1.0
-
2.0
-
0.4
-
4.0
I_VIN
Maximum Current
R_LIN
Saturated Equivalent Impedance
PVCC
Linear Regulator Voltage
EXTERNAL LINEAR REGULATOR
VIN = 3.3V
VIN = 22V, Load = 0 to 100mA
-
200
-
2
5.42
5.6
LIN_DRV Maximum Sinking Drive Current
0.25
-
OVERCURRENT PROTECTION (OCP)
I_LSOC
Low Side OCP (LSOC) Current LSOC = 0V to Vcc - 1.0V, T_A = 0°C to 70°C
79
98
Source
LSOC = 0V to Vcc - 1.0V, T_A =-40°C to 85°C
76
98
I_{LSOC_OFSET} LSOC Maximum Offset Error
Vcc = 2.9V and 5.6V T_SAMPLE < 10µs
-
±2
I_HSOC
I_HSOC
High Side OCP (HSOC) Current HSOC = 0.8V to 22V T_A = 0°C to 70°C
Source
HSOC = 0.8V to 22V T_A =-40°C to 85°C
92
100
92
100
I_{HSOC_LOW}
HSOC = 0.3V to 0.8V
86
-
I_{HSOC_OFSET} HSOC Maximum Offset Error
VCC = 2.9V and 5.5V T_SAMPLE < 10µs
-
±2
MARGINING CONTROL
V_MARG
Minimum Margining Voltage of
Internal Reference
R_MARG = 10kΩ, R_OFS- = 6.01kΩ,
MAR_CRTL = 0V
-185
-197
V_MARG
Maximum Margining Voltage of
Internal Reference
R_MARG = 10kΩ, R_OFS+ = 6.01kΩ,
MAR_CRTL = VCC
185
197
N_MARG
Margining Transfer Ratio
MAR_CTRL ^{Positive Margining Threshold}
MAR_CTRL ^{Negative Margining Threshold}
MAR_CTRL ^{Tri-state Input Level}
POWER GOOD MONITOR
N_MARG = (V_OFS--V_OFS+) / V_MARG
Disable Mode
4.9
5
-
1.5
-
0.8
-
1.325
V_UVR
V_UVF
V_OVR
V_OVF
T_{PG_DLY}
I_{PG_DLY}
V_{PG_DLY}
I_{PG_LOW}
I_{PG_MAX}
V_{PG_MAX}
Undervoltage Rising Trip Point
Undervoltage Falling Trip Point
Overvoltage Rising Trip Point
Overvoltage Falling Trip Point
PGOOD Delay
PGOOD Delay Source Current
C_{PG_DLY} = 0.1µF
PGOOD Delay Threshold Voltage
PGOOD Low Output Voltage
Maximum Sinking Current
Maximum Open Drain Voltage
I_PGOOD = 5mA
V_PGOOD = 0.8V
VCC = 3.3V
-7%
-13%
13%
7%
-
27
1.44
-
10
-
-9%
-15%
15%
9%
5
30
1.48
-
-
6
MAX UNITS
-
Ω
-
A
-
Ω
-
A
-
Ω
-
A
-
Ω
-
A
-
mA
3.25
Ω
5.72
V
0.9
mA
118
µA
122
µA
-
mV
112
µA
115
115
µA
-
mV
-208
mV
208
mV
5.1
-
V
-
V
-
V
-11%
V_SS
-17%
V_SS
17%
V_SS
11%
V_SS
-
ms
33
µA
1.56
V
0.200
V
-
mA
-
V
8
FN9214.0
March 9, 2006