ISL62883HRTZ-T Datasheet, PDF (7/37 Pages) Intersil Corporation – Multiphase PWM Regulator for IMVP-6.5™ Mobile CPUs

ISL62883, ISL62883B
Electrical Specifications Operating Conditions: VDD = 5V, T_A = -40°C to +100°C, f_SW = 300kHz, unless otherwise noted. Boldface
limits apply over the operating temperature range, -40°C to +100°C. (Continued)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
MAX
(Note 6) TYP (Note 6) UNITS
CHANNEL FREQUENCY
Nominal Channel Frequency
Adjustment Range
f_SW(nom)
Rfset = 7kΩ, 3 channel operation, V_COMP = 1V
285 300 315 kHz
200
500 kHz
AMPLIFIERS
Current-Sense Amplifier Input Offset
Error Amp DC Gain
Error Amp Gain-Bandwidth Product
ISEN
A_v0
GBW
I_FB = 0A
C_L= 20pF
-0.15
+0.15 mV
90
dB
18
MHz
Imbalance Voltage
Maximum of ISENs - Minimum of ISENs
1
mV
Input Bias Current
20
nA
POWER GOOD AND PROTECTION MONITORS
PGOOD Low Voltage
PGOOD Leakage Current
PGOOD Delay
V_OL
I_PGOOD = 4mA
I_OH
PGOOD = 3.3V
tpgd
CLK_EN# LOW to PGOOD HIGH
0.26 0.4
V
-1
1
µA
6.3 7.6 8.9 ms
GATE DRIVER
UGATE Pull-Up Resistance
UGATE Source Current
UGATE Sink Resistance
UGATE Sink Current
LGATE Pull-Up Resistance
LGATE Source Current
LGATE Sink Resistance
LGATE Sink Current
UGATE to LGATE Deadtime
LGATE to UGATE Deadtime
BOOTSTRAP DIODE
R_UGPU
I_UGSRC
R_UGPD
I_UGSNK
R_LGPU
I_LGSRC
R_LGPD
I_LGSNK
t_UGFLGR
t_LGFUGR
200mA Source Current
UGATE - PHASE = 2.5V
250mA Sink Current
UGATE - PHASE = 2.5V
250mA Source Current
LGATE - VSSP = 2.5V
250mA Sink Current
LGATE - VSSP = 2.5V
UGATE falling to LGATE rising, no load
LGATE falling to UGATE rising, no load
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
23
ns
28
ns
Forward Voltage
Reverse Leakage
PROTECTION
V_F
PVCC = 5V, I_F = 2mA
I_R
V_R = 25V
0.58
V
0.2
µA
Overvoltage Threshold
Severe Overvoltage Threshold
OC Threshold Offset at Rcomp = Open
Circuit
OV_H
OV_HS
VSEN rising above setpoint for >1ms
VSEN rising for >2µs
3-phase configuration, ISUM- pin current
2-phase configuration, ISUM- pin current
150 195 240 mV
1.525 1.55 1.575 V
28.4 30.3 32.2 µA
18.3 20.2 22.1 µA
1-phase configuration, ISUM- pin current
8.2 10.1 12.0 µA
Current Imbalance Threshold
One ISEN above another ISEN for >1.2ms
9
mV
Undervoltage Threshold
LOGIC THRESHOLDS
UV_f
VSEN falling below setpoint for >1.2ms
-355 -295 -235 mV
VR_ON Input Low
V_IL(1.0V)
0.3
V
7
FN6891.4
June 21, 2011