ISL6263C Datasheet, PDF (6/18 Pages) Intersil Corporation – 5-Bit VID Single-Phase Voltage Regulator with Current Monitor for GPU Core Power

ISL6263C
Electrical Specifications
These specifications apply for T_A = -10°C to +100°C, unless otherwise stated.
All typical specifications T_A = +25°C, V_DD = 5V, PVCC = 5V. Boldface limits apply over the operating
temperature range, -10°C to +100°C. (Continued)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
MAX
(Note 6) TYP (Note 6) UNITS
PWM
Nominal Frequency
Frequency Range
Audio Filter Frequency
AMPLIFIERS
f_SW
R_FSET = 7kΩV_COMP = 2V
f_AF
318
333
348
kHz
200
500
kHz
28
kHz
Error Amplifier DC Gain (Note 7)
Error Amplifier Gain-Bandwidth Product
(Note 3)
A_V0
GBW
C_L = 20pF
90
dB
18
MHz
Error Amp Slew Rate (Note 7)
FB Input Bias Current
Current Sense Amplifier Offset
RBIAS Voltage
SOFT-START CURRENT
SR
C_L = 20pF
I_FB
V_FB = 1.28750V
V_{ISENSE_OFS}
V_RBIAS
R_{RBIAS = 150kΩ}
-0.3
1.495
5
10
1.515
150
0.3
1.535
V/µs
nA
mV
V
Soft-Start Current
I_SS
-47
-42
-37
µA
Soft Dynamic VID Current
I_DVID
|SOFT - REF|>100mV
±180
±205
±230
µA
CURRENT MONITOR
Current Monitor Output Voltage Range
Current Monitor Maximum Output Voltage
Current Monitor Maximum Current Sinking
Capability
V_IMON
V_IMONMAX
V_{ICOMP -} V_{O = 40mV}
V_{ICOMP -} V_{O = 10mV}
1.22
1.24
1.26
V
0.285 0.310 0.335
V
3.1
3.4
V
V_IMON/ V_IMON/ V_IMON/
250Ω 180Ω 130Ω
A
Current Monitor Sourcing Current
I_{SC_IMON} ^V_ICOMP - ^V_O = 40mV
2.0
mA
Current Monitor Sinking Current
I_{SK_IMON} ^V_ICOMP - ^V_O = 40mV
2.0
mA
Current Monitor Impedance (Note 7)
I_IMON ≤ I_{SK_IMON,} I_IMON ≤ I_{SC_IMON}
7
Ω
GATE DRIVER
UGATE Source Resistance (Note 7)
UGATE Source Current (Note 7)
UGATE Sink Resistance (Note 7)
UGATE Sink Current (Note 7)
LGATE Source Resistance (Note 7)
LGATE Source Current (Note 7)
LGATE Sink Resistance (Note 7)
LGATE Sink Current (Note 7)
UGATE Pull-Down Resistor
UGATE Turn-On Propagation Delay
LGATE Turn-On Propagation Delay
BOOTSTRAP DIODE
R_UGSRC
I_UGSRC
R_UGSNK
I_UGSNK
R_LGSRC
I_LGSRC
R_LGSNK
I_LGSNK
R_PD
t_PDRU
t_PDRL
500mA Source Current
V_{UGATE_PHASE} = 2.5V
500mA Sink Current
V_{UGATE_PHASE} = 2.5V
500mA Source Current
V_{LGATE_PGND} = 2.5V
500mA Sink Current
V_{LGATE_PGND} = 2.5V
PV_CC = 5V, UGATE open
PV_CC = 5V, LGATE open
1.0
1.5
Ω
2.0
A
1.0
1.5
Ω
2.0
A
1.0
1.5
Ω
2.0
A
0.5
0.9
Ω
4.0
A
1.1
kΩ
20
30
44
ns
7
15
30
ns
Forward Voltage
Reverse Leakage
V_F
PV_CC = 5V, I_F = 10mA
I_R
V_R = 16V
0.56
0.69
0.76
V
5.0
µA
6
FN6745.1
July 8, 2010