isl62883c Intersil Corporation, isl62883c Datasheet - Page 8
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isl62883c
Manufacturer Part Number
isl62883c
Description
Multiphase Pwm Regulator For Imvp-6.5? Mobile Cpus And Gpus
Manufacturer
Intersil Corporation
Datasheet
1.ISL62883C.pdf
(43 pages)
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Electrical Specifications
CHANNEL FREQUENCY
Nominal Channel Frequency
Adjustment Range
AMPLIFIERS
Current-Sense Amplifier Input
Offset
Error Amp DC Gain (Note 7)
Error Amp Gain-Bandwidth
Product (Note 7)
ISEN
Imbalance Voltage
Input Bias Current
POWER-GOOD AND PROTECTION MONITORS
PGOOD Low Voltage
PGOOD Leakage Current
PGOOD Delay
GATE DRIVER
UGATE Pull-Up Resistance
(Note 7)
UGATE Source Current (Note 7)
UGATE Sink Resistance (Note 7)
UGATE Sink Current (Note 7)
LGATE Pull-Up Resistance
(Note 7)
LGATE Source Current (Note 7)
LGATE Sink Resistance (Note 7)
LGATE Sink Current (Note 7)
UGATE to LGATE Deadtime
LGATE to UGATE Deadtime
BOOTSTRAP DIODE
Forward Voltage
Reverse Leakage
PROTECTION
Overvoltage Threshold
Severe Overvoltage Threshold
OC Threshold Offset at
Rcomp = Open Circuit
Current Imbalance Threshold
Undervoltage Threshold
PARAMETER
8
Operating Conditions: VDD = 5V, T
unless otherwise noted. Boldface limits apply over the operating temperature range,
-40°C to +100°C. (Continued)
SYMBOL
f
t
t
SW(nom)
I
I
I
I
R
R
UGFLGR
LGFUGR
R
R
UGSRC
UGSNK
LGSRC
LGSNK
OV
GBW
tpgd
OV
A
V
I
UGPU
UGPD
LGPU
LGPD
UV
V
I
OH
v0
OL
R
F
HS
H
f
R
V
I
C
Maximum of ISENs - Minimum of
ISENs
I
PGOOD = 3.3V
CLK_ENABLE# LOW to PGOOD HIGH
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
PVCC = 5V, I F = 2mA
V
VSEN rising above setpoint for >1ms
VSEN rising for >2µs
3-phase configuration, ISUM- pin
current
2-phase configuration, ISUM- pin
current
1-phase configuration, ISUM- pin
current
One ISEN above another ISEN for
>1.2ms
VSEN falling below setpoint for
>1.2ms
FB
PGOOD
fset
COMP
L
R
= 20pF
= 25V
= 0A
ISL62883C
= 7kΩ, 3-channel operation,
= 1V
= 4mA
TEST CONDITIONS
A
= -40°C to +100°C, f
(Note 6)
1.525
-0.15
28.4
18.3
-355
MIN
SW
285
200
150
6.3
8.2
-1
= 300kHz,
0.26
0.58
1.55
30.3
20.2
10.1
-295
TYP
300
195
7.6
1.0
2.0
1.0
2.0
1.0
2.0
0.5
4.0
0.2
90
18
20
23
28
9
(Note 6) UNITS
+0.15
1.575
-235
MAX
32.2
22.1
12.0
315
500
240
0.4
8.9
1.5
1.5
1.5
0.9
1
1
March 18, 2010
FN7557.1
MHz
kHz
kHz
mV
mV
mV
mV
mV
ms
dB
nA
µA
µA
µA
µA
µA
ns
ns
Ω
Ω
Ω
Ω
V
A
A
A
A
V
V