MAX1544ETL+ Maxim Integrated Products, MAX1544ETL+ Datasheet - Page 7

• Manufacturer Part Number: MAX1544ETL+
• Description: IC QUICK-PWM DUAL-PHASE 40-TQFN
• Manufacturer: Maxim Integrated Products
• Series: Quick-PWM™r

Specifications of MAX1544ETL+

• Applications: Controller, AMD Hammer
• Voltage - Input: 2 ~ 28 V
• Number Of Outputs: 1
• Voltage - Output: 0.68 ~ 1.55 V
• Operating Temperature: -40°C ~ 100°C
• Mounting Type: Surface Mount
• Package / Case: 40-TQFN Exposed Pad
• Output Voltage: 0.675 V to 1.55 V
• Output Current: 40 A
• Input Voltage: 4 V to 28 V
• Mounting Style: SMD/SMT
• Maximum Operating Temperature: + 100 C
• Minimum Operating Temperature: - 40 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

ELECTRICAL CHARACTERISTICS (continued)
(Circuit of Figure 1, V+ = 15V, V
1.3V, OFS = SUS = GNDS = D0–D4 = GND; T
BIAS AND REFERENCE
Quiescent Supply Current (V
Quiescent Supply Current (V
Quiescent Battery Supply Current
(V+)
Shutdown Supply Current (V
Shutdown Supply Current (V
Shutdown Battery Supply Current
(V+)
Reference Voltage
FAULT PROTECTION
Output Overvoltage Protection
Threshold
Output Undervoltage Protection
Threshold
VROK Threshold
VROK Startup Delay
V
Threshold
CURRENT LIMIT AND BALANCE
Current-Limit Threshold Voltage
(Positive, Default)
Current-Limit Threshold Voltage
(Positive, Adjustable)
Current-Limit Threshold Voltage
(Negative)
Current-Balance Offset
GATE DRIVERS
DH_ Gate-Driver On-Resistance
CC
Undervoltage Lockout
PARAMETER
_______________________________________________________________________________________
AMD Hammer CPU Core Power Supplies
Dual-Phase, Quick-PWM Controller for
CC
DD
CC
DD
CC
)
)
)
)
= V
V
V
SYMBOL
V
UVLO(VCC)
LIMIT(NEG)
R
DD
OS(IBAL)
V
V
ON(DH)
V
V
V
LIMIT
LIMIT
I
I
I
OVP
UVP
CC
DD
REF
V+
= V
SHDN
A
= -40°C to +100°C, unless otherwise specified.) (Note 5)
Measured at V
regulation point, OAIN- = FB, V
Measured at V
regulation point
Measured at V+
Measured at V
Measured at V
Measured at V+, SHDN = GND,
V
V
SKIP = V
to unloaded output voltage
Measured at FB with respect to unloaded
output voltage
Measured at FB
with respect to
unloaded output
voltage
Measured from the time when FB first
reaches the voltage set by the DAC code
after startup
Rising edge, hysteresis = 90mV, PWM
disabled below this level
CMP - CMN, CSP - CSN; ILIM = V
CMP - CMN,
CSP - CSN
CMP - CMN, CSP - CSN; ILIM = V
SKIP = V
(V
-20mV < (V
1.0V < V
BST_ - LX_ forced to 5V
= V
CC
CC
CMP
TON
= V
= 4.5V to 5.5V, I
- V
DD
CCI
CC
CC
= V
CMN
CMP
= 0 or 5V
, measured at FB with respect
< 2.0V
SKIP
) - (V
CC
DD
CC
DD
CONDITIONS
- V
, FB forced above the
, FB forced above the
, SHDN = GND
, SHDN = GND
= V
CSP
CMN
REF
S0
Lower threshold
(undervoltage)
Upper threshold
(overvoltage)
SKIP = V
V
V
ILIM
ILIM
- V
) < 20mV,
= V
= 0
CSN
= 0.2V
= 1.5V
S1
); I
= V
CC
OAI N +
CCI
CC
CC
OVP
= 0,
,
= 1.3V
= 5V, V
FB
1.985
3.90
MIN
-13
-30
+7
13
67
27
72
-3
= V
3
7
CMP
= V
CMN
= V
2.015
MAX
4.45
+13
-42
4.5
3.2
+3
20
50
20
20
20
19
73
33
13
78
-7
CSP
= V
UNITS
mA
mV
mV
mV
mV
ms
µA
µA
µA
µA
µA
CSN
%
%
%
Ω
V
V
=
7