19-4577; Rev 1; 8/09
KIT
ATION
EVALU
E
BL
AVAILA
1/2/3-Phase Quick-PWM
IMVP-6.5 VID Controllers
General Description
Features
o
Triple/Dual-Phase Quick-PWM Controllers
o
2 Internal Drivers + 1 External Driver
o
±0.5% V
OUT
Accuracy Over Line, Load, and
Temperature
o
7-Bit IMVP-6.5 DAC
o
Dynamic Phase Selection Optimizes Active/Sleep
Efficiency
o
Transient Phase Overlap Reduces Output
Capacitance
o
Transient Suppression Feature (MAX17036 Only)
o
Integrated Boost Switches
o
Active Voltage Positioning with Adjustable Gain
o
Accurate Lossless Current Balance and
Current Limit
o
Remote Output and Ground Sense
o
Adjustable Output Slew-Rate Control
o
Power-Good (IMVPOK), Clock Enable (CLKEN),
and Thermal-Fault (VRHOT) Outputs
o
IMVP-6.5 Power Sequencing and Timing
Compliant
o
Output Current Monitor (IMON)
o
Drives Large Synchronous Rectifier FETs
o
7V to 26V Battery Input Range
o
Adjustable Switching Frequency (600kHz max)
o
Undervoltage, Overvoltage, and Thermal-Fault
Protection
MAX17030/MAX17036
The MAX17030/MAX17036 are 3/2-phase interleaved
Quick-PWM™ step-down VID power-supply controllers
for IMVP-6.5 notebook CPUs. Two integrated drivers and
the option to drive a third phase using an external driver
such as the MAX8791 allow for a flexible 3/2-phase con-
figuration depending on the CPU being supported.
True out-of-phase operation reduces input ripple-current
requirements and output-voltage ripple while easing
component selection and layout difficulties. The Quick-
PWM control provides instantaneous response to fast
load-current steps. Active voltage positioning reduces
power dissipation and bulk output capacitance require-
ments and allows ideal positioning compensation for tan-
talum, polymer, or ceramic bulk output capacitors.
The MAX17030/MAX17036 are intended for bucking
down the battery directly to create the core voltage.
The single-stage conversion method allows this device
to directly step down high-voltage batteries for the
highest possible efficiency.
A slew-rate controller allows controlled transitions
between VID codes. A thermistor-based temperature
sensor provides programmable thermal protection. An
output current monitor provides an analog current out-
put proportional to the sum of the inductor currents,
which in steady state is the same as the current con-
sumed by the CPU.
Applications
IMVP-6.5 SV and XE Core Power Supplies
High-Current Voltage-Positioned Step-Down
Converters
3 to 4 Li+ Cells Battery to CPU Core Supply
Converters
Notebooks/Desktops/Servers
Pin Configuration
BST1
BST2
20 PWM3
19 DRSKP
18 PWRGD
17 CLKEN
16 TON
15 PSI
14 DPRSLPVR
13 SHDN
12 CSP2
11 CSN2
1
CSN3
2
CSP3
3
THRM
4
IMON
5
ILIM
6
TIME
7
V
CC
8
FB
9
FBAC
10
GNDS
DH1
DH2
DL1
DL2
V
DD
LX1
LX2
TOP VIEW
30 29 28 27 26 25 24 23 22 21
PGD_IN 31
Ordering Information
PART
MAX17030GTL+
MAX17036GTL+
TEMP RANGE
-40°C to +105°C
-40°C to +105°C
PIN-PACKAGE
40 TQFN-EP*
40 TQFN-EP*
D0 32
D1 33
D2 34
D3 35
D4 36
D5 37
D6 38
CSP1 39
CSN1 40
MAX17030
MAX17036
+Denotes
a lead-free(Pb)/RoHS-compliant package.
*EP
= Exposed pad.
+
Quick-PWM is a trademark of Maxim Integrated Products, Inc.
THIN QFN
5mm x 5mm
________________________________________________________________
Maxim Integrated Products
VRHOT
1
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,
or visit Maxim’s website at www.maxim-ic.com.
1/2/3-Phase Quick-PWM
IMVP-6.5 VID Controllers
MAX17030/MAX17036
ABSOLUTE MAXIMUM RATINGS
(Note 1)
V
CC
, V
DD
to GND .....................................................-0.3V to +6V
D0–D6, PGD_IN,
PSI,
DPRSLPVR to GND ...............-0.3V to +6V
CSP_, CSN_, THRM, ILIM to GND............................-0.3V to +6V
PWRGD,
CLKEN, VR_HOT
to GND..........................-0.3V to +6V
FB, FBAC, IMON, TIME to GND .................-0.3V to (V
CC
+ 0.3V)
SHDN
to GND (Note 2)...........................................-0.3V to +30V
TON to GND ...........................................................-0.3V to +30V
GNDS to GND .......................................................-0.3V to +0.3V
DL1, DL2, PWM3,
DRSKP
to GND .............-0.3V to (V
DD
+ 0.3V)
BST1, BST2 to GND ...............................................-0.3V to +36V
BST1, BST2 to V
DD
.................................................-0.3V to +30V
LX1 to BST1..............................................................-6V to +0.3V
LX2 to BST2..............................................................-6V to +0.3V
DH1 to LX1 ..............................................-0.3V to (V
BST1
+ 0.3V)
DH2 to LX2 ..............................................-0.3V to (V
BST2
+ 0.3V)
Continuous Power Dissipation (40-pin, 5mm x 5mm TQFN)
Up to +70°C ..............................................................1778mW
Derating above +70°C ..........................................22.2mW/°C
Operating Temperature Range .........................-40°C to +105°C
Junction Temperature ......................................................+150°C
Storage Temperature Range .............................-65°C to +165°C
Lead Temperature (soldering, 10s) .................................+300°C
Note 1:
Absolute Maximum Ratings valid using 20MHz bandwidth limit.
Note 2:
SHDN
might be forced to 12V for the purpose of debugging prototype breadboards using the no-fault test mode. Internal
BST switches are disabled as well. Use external BST diodes when
SHDN
is forced to 12V.
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
ELECTRICAL CHARACTERISTICS
(Circuit of Figure 1, V
IN
= 10V, V
CC
= V
DD
= V
SHDN
= V
PGD_IN
= V
PSI
= V
ILIM
= 5V, V
DPRSLPVR
= V
GNDS
= 0, V
CSP_
= V
CSN_
=
1.0000V, FB = FBAC, R
FBAC
= 3.57kΩ from FBAC to CSN_, [D6–D0] = [0101000];
T
A
= 0°C to +85°C,
unless otherwise noted.
Typical values are at T
A
= +25°C.)
PARAMETER
PWM CONTROLLER
Input Voltage Range
V
CC
, V
DD
V
IN
Measured at FB
with respect to
GNDS;
includes load-
regulation error
(Note 3)
DAC codes from
0.8125V to 1.5000V
DAC codes from
0.3750V to 0.8000V
DAC codes from
0 to 0.3625V
4.5
7
-0.5
-7
-20
1.094
V
CC
= 4.5V to 5.5V, V
IN
= 4.5V to 26V
T
A
= +25°C
A
GNDS
I
GNDS
V
TIME
V
OUT
/ V
GNDS
T
A
= +25°C
R
TIME
= 147k
R
TIME
= 147k
(6.08mV/μs nominal)
R
TIME
= 35.7k (25mV/μs nominal) to
178k (5mV/μs nominal)
Soft-start and soft-shutdown:
R
TIME
= 35.7k (6.25mV/μs nominal) to
178k (1.25mV/μs nominal)
-0.1
-200
0.97
-0.5
1.985
-10
-15
2.000
1.00
1.100
0.1
+0.1
+200
1.03
+0.5
2.015
+10
+15
%
-20
+20
5.5
26
+0.5
+7
mV
+20
1.106
V
%
μA
mV
V/V
μA
V
V
%
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
FB Output Voltage Accuracy
V
FB
Boot Voltage
Line Regulation Error
FB Input Bias Current
GNDS Input Range
GNDS Gain
GNDS Input Bias Current
TIME Regulation Voltage
V
BOOT
TIME Slew-Rate Accuracy
2
_______________________________________________________________________________________
1/2/3-Phase Quick-PWM
IMVP-6.5 VID Controllers
ELECTRICAL CHARACTERISTICS (continued)
(Circuit of Figure 1, V
IN
= 10V, V
CC
= V
DD
= V
SHDN
= V
PGD_IN
= V
PSI
= V
ILIM
= 5V, V
DPRSLPVR
= V
GNDS
= 0, V
CSP_
= V
CSN_
=
1.0000V, FB = FBAC, R
FBAC
= 3.57kΩ from FBAC to CSN_, [D6–D0] = [0101000];
T
A
= 0°C to +85°C,
unless otherwise noted.
Typical values are at T
A
= +25°C.)
PARAMETER
SYMBOL
V
IN
= 10V,
V
FB
= 1.0V,
measured at
DH1, DH2,
and PWM3
(Note 4)
CONDITIONS
R
TON
= 96.75k (600kHz
per phase), 167ns nominal
R
TON
= 200k (300kHz
per phase), 333ns nominal
R
TON
= 303.25k (200kHz
per phase), 500ns nominal
MIN
-15
-10
-15
300
0.01
TYP
MAX
+15
+10
+15
375
0.1
ns
μA
%
UNITS
MAX17030/MAX17036
On-Time Accuracy
t
ON
Minimum Off-Time
TON Shutdown Input Current
BIAS CURRENTS
Quiescent Supply Current (V
CC
)
Quiescent Supply Current (V
DD
)
Shutdown Supply Current (V
CC
)
Shutdown Supply Current (V
DD
)
FAULT PROTECTION
t
OFF(MIN)
I
TON,SDN
Measured at DH1, DH2, and PWM3 (Note 4)
SHDN
= GND, V
IN
= 26V, V
CC
= V
DD
= 0
or 5V, T
A
= +25°C
Measured at V
CC
, V
DPRSLPVR
= 5V, FB
forced above the regulation point
Measured at V
DD
, V
DPRSLPVR
= 0, FB forced
above the regulation point, T
A
= +25°C
Measured at V
CC
,
SHDN
= GND, T
A
= +25°C
Measured at V
DD
,
SHDN
= GND, T
A
= +25°C
Skip mode after output reaches the
regulation voltage or PWM mode;
measured at FB with respect to the voltage
target set by the VID code (see Table 4)
Soft-start, soft-shutdown, skip mode, and
output have not reached the regulation
voltage; measured at FB
Minimum OVP threshold; measured at FB
I
CC
I
DD
I
CC,SDN
I
DD,SDN
3.5
0.02
0.01
0.01
7
1
1
1
mA
μA
μA
μA
250
300
350
mV
Output Overvoltage-Protection
Threshold
V
OVP
1.45
1.50
0.8
10
1.55
V
Output Overvoltage-
Propagation Delay
Output Undervoltage-
Protection Threshold
Output Undervoltage-
Propagation Delay
CLKEN
Startup Delay and
Boot Time Period
t
OVP
V
UVP
t
UVP
t
BOOT
FB forced 25mV above trip threshold
Measured at FB with respect to the voltage
target set by the VID code (see Table 4)
FB forced 25mV below trip threshold
Measured from the time when FB reaches
the boot target voltage (Note 3)
20
-450
μs
-350
mV
μs
100
μs
-400
10
60
_______________________________________________________________________________________
3
1/2/3-Phase Quick-PWM
IMVP-6.5 VID Controllers
MAX17030/MAX17036
ELECTRICAL CHARACTERISTICS (continued)
(Circuit of Figure 1, V
IN
= 10V, V
CC
= V
DD
= V
SHDN
= V
PGD_IN
= V
PSI
= V
ILIM
= 5V, V
DPRSLPVR
= V
GNDS
= 0, V
CSP_
= V
CSN_
=
1.0000V, FB = FBAC, R
FBAC
= 3.57kΩ from FBAC to CSN_, [D6–D0] = [0101000];
T
A
= 0°C to +85°C,
unless otherwise noted.
Typical values are at T
A
= +25°C.)
PARAMETER
PWRGD Startup Delay
SYMBOL
CONDITIONS
Measured at startup from the time when
CLKEN
goes low
Measured at FB
with respect to the
voltage target set
by the VID code
(see Table 4), 20mV
hysteresis (typ)
Lower threshold,
falling edge
(undervoltage)
Upper threshold,
rising edge
(overvoltage)
MIN
3
TYP
6.5
MAX
10
UNITS
ms
-350
-300
-250
mV
CLKEN
and PWRGD Threshold
+150
+200
+250
CLKEN
and PWRGD Delay
CLKEN
and PWRGD Transition
Blanking Time (VID Transitions)
CLKEN,
PWRGD Output
Low Voltage
CLKEN,
PWRGD Leakage
Current
CSN1 Pulldown Resistance in
UVLO and Shutdown
V
CC
Undervoltage-Lockout
Threshold
THERMAL PROTECTION
VRHOT
Trip Threshold
VRHOT
Delay
VRHOT
Output On-Resistance
VRHOT
Leakage Current
THRM Input Leakage
Thermal-Shutdown Threshold
I
THRM
T
SHDN
t
VRHOT
V
UVLO(VCC)
t
BLANK
FB forced 25mV outside the PWRGD trip
thresholds
Measured from the time when FB reaches
the target voltage (Note 3)
Low state, I
SINK
= 3mA
High-Z state, pin forced to 5V, T
A
= +25°C
SHDN
= GND, measured after soft-
shutdown completed (DL = low)
Rising edge, 65mV typical hysteresis,
controller disabled below this level
4.05
10
20
0.4
1
8
4.27
4.48
μs
μs
V
μA
V
Measured at THRM with respect to V
CC
;
falling edge, typical hysteresis = 75mV
THRM forced 25mV below the
VRHOT
trip
threshold, falling edge
High-Z state,
VRHOT
forced to 5V, T
A
= +25°C
V
THRM
= 0 to 5V, T
A
= +25°C
Typical hysteresis = 15°C
V
TIME
- V
ILIM
= 100mV
V
LIMIT
V
CSP_
- V
CSN_
V
TIME
- V
ILIM
= 500mV
ILIM = V
CC
29
30
10
2
31
%
μs
R
ON(VRHOT)
Low state
-0.1
8
1
+0.1
μA
μA
°C
13
55
25
+4
mV
mV
2
V
mV
+160
7
45
20
-4
0
0
10
50
22.5
VALLEY CURRENT LIMIT, DROOP, CURRENT BALANCE, AND CURRENT MONITOR
Current-Limit Threshold Voltage
(Positive)
Current-Limit Threshold Voltage
(Negative) Accuracy
Current-Limit Threshold Voltage
(Zero Crossing)
CSP_, CSN_ Common-Mode
Input Range
V
LIMIT(NEG)
V
CSP_
- V
CSN_
, nominally -125% of V
LIMIT
V
ZX
V
GND
- V
LX_
, V
DPRSLPVR
= 5V
4
_______________________________________________________________________________________
1/2/3-Phase Quick-PWM
IMVP-6.5 VID Controllers
ELECTRICAL CHARACTERISTICS (continued)
(Circuit of Figure 1, V
IN
= 10V, V
CC
= V
DD
= V
SHDN
= V
PGD_IN
= V
PSI
= V
ILIM
= 5V, V
DPRSLPVR
= V
GNDS
= 0, V
CSP_
= V
CSN_
=
1.0000V, FB = FBAC, R
FBAC
= 3.57kΩ from FBAC to CSN_, [D6–D0] = [0101000];
T
A
= 0°C to +85°C,
unless otherwise noted.
Typical values are at T
A
= +25°C.)
PARAMETER
Phases 2, 3 Disable Threshold
CSP_, CSN_ Input Current
ILIM Input Current
I
CSP
, I
CSN
I
ILIM
SYMBOL
CONDITIONS
Measured at CSP2, CSP3
T
A
= +25°C
T
A
= +25°C
(1/N) x (V
CSP_
-
V
CSN_
) at I
FBAC
= 0; T
A
= +25°C
indicates
summation over all
power-up enabled
phases from 1 to N, T
A
= 0°C to +85°C
N=3
I
FBAC
/ [ (V
CSP_
- V
CSN_
)];
indicates summation over all power-up
enabled phases from 1 to N, N = 3,
V
FBAC
= V
CSN_
= 0.45V to 1.5V
(1/N) x (V
CSP_
- V
CSN_
) at I
IMON
= 0,
indicates summation over all power-up
enabled phases from 1 to N, N = 3
I
IMON
/ [ (V
CSP_
- V
CSN_
)];
indicates summation over all power-up
enabled phases from 1 to N, N = 3,
V
CSN_
= 0.45V to 1.5V
MIN
3
-0.2
-0.1
-0.5
TYP
V
CC
-
1
MAX
V
CC
-
0.4
+0.2
+0.1
+0.5
mV/
phase
-0.75
+0.75
UNITS
V
μA
μA
MAX17030/MAX17036
Droop Amplifier Offset
Droop Amplifier
Transconductance
G
m(FBAC)
393
400
406
μS
Current-Monitor Offset
-1.1
+1
mV/
phase
Current-Monitor
Transconductance
GATE DRIVERS
DH_ Gate-Driver On-Resistance
DL_ Gate-Driver On-Resistance
DH_ Gate-Driver Source Current
DH_ Gate-Driver Sink Current
DL_ Gate-Driver Source Current
DL_ Gate-Driver Sink Current
DL_ Transition Time
DH_ Transition Time
Internal BST_ Switch
On-Resistance
G
m(IMON)
1.552
1.6
1.648
mS
R
ON(DH)
R
ON(DL)
I
DH(SOURCE)
I
DH(SINK)
BST_ - LX_ forced
to 5V
High state (pullup)
Low state (pulldown)
High state (pullup)
Low state (pulldown)
0.9
0.7
0.7
0.25
2.2
2.7
2.7
8
20
20
20
20
10
2.5
2
2
0.7
A
A
A
A
ns
ns
20
DH_ forced to 2.5V,
BST_ - LX_ forced to 5V
DH_ forced to 2.5V,
BST_ - LX_ forced to 5V
DL_ forced to 2.5V
DL_ falling, C
DL_
= 3nF
DL rising, C
DL_
= 3nF
DH_ falling, C
DH_
= 3nF
DH_ rising, C
DH_
= 3nF
I
DL(SOURCE)
DL_ forced to 2.5V
I
DL(SINK)
R
ON(BST)
I
BST_
= 10mA
_______________________________________________________________________________________
5
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