ISL6263 Datasheet, PDF (7/19 Pages) Intersil Corporation – 5-Bit VID Single-Phase Voltage Regulator for IMVP-6+ Santa Rosa GPU Core

ISL6263
Electrical Specifications
These specifications apply for T_A = -10°C to +100°C, unless otherwise stated. All typical specifications
T_A = +25°C, VDD = 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
Frequency Range
200
-
500
kHz
AMPLIFIERS
Error Amplifier DC Gain (Note 8)
Error Amplifier Gain-Bandwidth Product
(Note 8)
A_V0
GBW
C_L = 20pF
-
90
-
dB
-
18
-
MHz
Error Amp Slew Rate (Note 8)
FB Input Bias Current
Droop Amplifier Offset
RBIAS Voltage
I2UA Reference Current
SOFT-START CURRENT
SR
C_L = 20pF
I_FB
V_FB = 1.28750V
V_{DROOP_OFS}
V_RBIAS R_{RBIAS =150kΩ}
I_I2UA
V_{I2UA = 2.5V}
-
5
-
V/µs
-
10
150
nA
-0.3
-
0.3
mV
1.50
1.52
1.54
V
1.85
2.00
2.15
µA
Soft-Start Current
Soft Dynamic VID Current
GATE DRIVER
I_SS
I_DVID
|SOFT - REF|>100mV
-46
-41
-36
µA
±175 ±200 ±225
µA
UGATE Source Resistance
UGATE Source Current (Note 7)
UGATE Sink Resistance
UGATE Sink Current (Note 7)
LGATE Source Resistance
LGATE Source Current (Note 7)
LGATE Sink Resistance
LGATE Sink Current (Note 7)
UGATE Pull-Down Resistor (Note 7)
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
V_F
Reverse Leakage
I_R
POWER GOOD and PROTECTION MONITOR
PVCC = 5V, I_F = 10mA
V_R = 16V
0.56
0.69
0.76
V
-
-
5.0
µA
PGOOD Low Voltage
V_PGOOD I_PGOOD = 4mA
PGOOD Leakage Current
I_PGOOD V_PGOOD = 3.3V
Overvoltage Threshold (VO - VSOFT)
V_OVP
V_O rising above V_SOFT > 1ms
Severe Overvoltage Threshold
V_OVPS V_O rising above 1.55V reference > 0.5µs
OCSET Reference Current
I_OCSET R_RBIAS = 150kΩ
OCSET Voltage Threshold Offset
V_{OCSET_OFS} V_DROOP rising above V_OCSET > 120µs
Undervoltage Threshold (VSOFT - VO)
V_UVF
V_O falling below V_SOFT for > 1ms
CONTROL INPUTS
-
0.11
0.40
V
-1.0
-
1.0
µA
160
200
240
mV
1.525 1.550 1.575
V
9.9
10.1
10.3
µA
-3
-
3
mV
-360
-300
-240
mV
VR_ON Input Low
V_{VR_ONL}
-
-
1
V
7
FN9213.2
June 10, 2010