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ISL6277 Datasheet(PDF) 12 Page - Intersil Corporation

Part No. ISL6277
Description  Multiphase PWM Regulator for AMD Fusion™ Mobile CPUs Using SVI 2.0
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Manufacturer  INTERSIL [Intersil Corporation]
Direct Link  http://www.intersil.com/cda/home
Logo INTERSIL - Intersil Corporation

ISL6277 Datasheet(HTML) 12 Page - Intersil Corporation

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ISL6277
12
FN8270.1
March 8, 2012
ISEN
Input Bias Current
20
nA
POWER-GOOD ( PGOOD & PGOOD_NB) AND PROTECTION MONITORS
PGOOD Low Voltage
VOL
IPGOOD = 4mA
0.4
V
PGOOD Leakage Current
IOH
PGOOD = 3.3V
-1
1
µA
PWROK High Threshold
750
mV
VR_HOT_L Pull-down
11
PWROK Leakage Current
1
µA
VR_HOT_L Leakage Current
1
µA
GATE DRIVER
UGATE Pull-Up Resistance
RUGPU
200mA Source Current
1.0
1.5
UGATE Source Current
IUGSRC
UGATE - PHASE = 2.5V
2.0
A
UGATE Sink Resistance
RUGPD
250mA Sink Current
1.0
1.5
UGATE Sink Current
IUGSNK
UGATE - PHASE = 2.5V
2.0
A
LGATE Pull-Up Resistance
RLGPU
250mA Source Current
1.0
1.5
LGATE Source Current
ILGSRC
LGATE - VSSP = 2.5V
2.0
A
LGATE Sink Resistance
RLGPD
250mA Sink Current
0.5
0.9
LGATE Sink Current
ILGSNK
LGATE - VSSP = 2.5V
4.0
A
UGATE to LGATE Deadtime
tUGFLGR
UGATE falling to LGATE rising, no load
23
ns
LGATE to UGATE Deadtime
tLGFUGR
LGATE falling to UGATE rising, no load
28
ns
PROTECTION
Overvoltage Threshold
OVH
VSEN rising above setpoint for >1µs
275
325
375
mV
Undervoltage Threshold
OVH
VSEN falls below setpoint for >1µs
275
325
375
mV
Current Imbalance Threshold
One ISEN above another ISEN for >1.2ms
9
mV
Way Overcurrent Trip Threshold
[IMONx Current Based Detection]
IMONxWOC
All states, IDROOP = 60µA, RIMON = 135kΩ
15
µA
Overcurrent Trip Threshold
[IMONx Voltage Based Detection]
VIMONx_OCP
All states, IDROOP = 45µA,
IIMONx = 11.25µA , RIMON = 135kΩ
1.485
1.51
1.535
V
LOGIC THRESHOLDS
ENABLE Input Low
VIL
1
V
ENABLE Input High
VIH
HRZ
1.6
V
VIH
IRZ
1.65
V
ENABLE Leakage Current
IENABLE
ENABLE = 0V
-1
01
µA
ENABLE = 1V
18
35
µA
SVT Impedance
50
SVC, SVD Input Low
VIL
% of VDDIO
30
%
SVC, SVD Input High
VIH
% of VDDIO
70
%
SVC, SVD Leakage
ENABLE = 0V, SVC, SVD = 0V and 1V
-1
1
µA
ENABLE = 1V, SVC, SVD = 1V
-5
1
µA
ENABLE = 1V, SVC, SVD = 0V
-35
-20
-5
µA
PWM
PWM Output Low
V0L
Sinking 5mA
1.0
V
PWM Output High
V0H
Sourcing 5mA
3.5
V
PWM Tri-State Leakage
PWM = 2.5V
0.5
µA
Electrical Specifications Operating Conditions: VDD =5V,TA = -10°C to +100°C (HRZ), TA = -40°C to +85°C (IRZ), fSW= 300kHz, unless
otherwise noted. Boldface limits apply over the operating temperature range, -40°C to +100°C. (Continued)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
(Note 6)
TYP
MAX
(Note 6)
UNITS


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