MAX1544ETL+ Maxim Integrated Products, MAX1544ETL+ Datasheet - Page 3

• 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
On-Time (Note 3)
Minimum Off-Time (Note 3)
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
Reference Load Regulation
FAULT PROTECTION
Output Overvoltage Protection
Threshold
Output Overvoltage Propagation
Delay
Output Undervoltage Protection
Threshold
Output Undervoltage Propagation
Delay
VROK Threshold
PARAMETER
_______________________________________________________________________________________
AMD Hammer CPU Core Power Supplies
Dual-Phase, Quick-PWM Controller for
CC
DD
CC
DD
CC
)
)
)
)
= V
SYMBOL
t
DD
OFF(MIN)
∆V
V
V
V
t
t
t
I
I
OVP
UVP
I
ON
OVP
UVP
CC
DD
REF
= V
V+
REF
SHDN
A
= 0°C to +85°C, unless otherwise specified. Typical values are at T
V+ = 12V,
V
TON = GND
TON = V
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
I
SKIP = V
to unloaded output voltage
SKIP = REF or GND
FB forced 2% above trip threshold
Measured at FB with respect to unloaded
output voltage
FB forced 2% below trip threshold
Measured at FB
with respect to
unloaded output
voltage
REF
= V
FB
CC
CC
TON
= V
= V
= 4.5V to 5.5V, I
= -10µA to 100µA
CCI
DD
CC
= V
CC
, open, or REF
= 0 or 5V
= 1.2V
, measured at FB with respect
SKIP
CC
DD
CC
DD
CONDITIONS
, FB forced above the
, FB forced above the
, SHDN = GND
, SHDN = GND
= V
REF
S0
Lower threshold
(undervoltage)
Upper threshold
(overvoltage)
SKIP = V
= V
= 0
TON = GND
(550kHz)
TON = REF
(300kHz)
TON = open
(200kHz)
TON = V
(100kHz)
S1
= V
CC
OAI N +
OVP
CC
= 1.3V
= 5V, V
FB
1.990
MIN
155
320
475
920
-10
-12
+8
13
67
= V
CMP
2.000
1000
TYP
1.70
2.00
+10
= V
180
355
525
300
400
-10
<1
<1
<1
25
16
10
70
10
4
CMN
A
2.010
= V
MAX
1140
3.20
+10
+12
= +25°C.)
205
390
575
375
480
40
10
19
73
-8
5
5
5
CSP
= V
UNITS
mA
mV
µA
µA
µA
µA
µA
CSN
ns
ns
µs
µs
%
%
%
V
V
3
=