MAX1544ETL+T Maxim Integrated Products, MAX1544ETL+T Datasheet - Page 6

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

Specifications of MAX1544ETL+T

• 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
(Circuit of Figure 1, V+ = 15V, V
1.3V, OFS = SUS = GNDS = D0–D4 = GND; T
Dual-Phase, Quick-PWM Controller for
AMD Hammer CPU Core Power Supplies
ELECTRICAL CHARACTERISTICS (continued)
(Circuit of Figure 1, V+ = 15V, V
1.3V, OFS = SUS = GNDS = D0–D4 = GND; T
6
D0–D4 Logic Input Low Voltage
D0–D4 Input Current
Four-Level Input Logic Levels
Four-Level Input Current
PWM CONTROLLER
Input Voltage Range
DC Output Voltage Accuracy
(Note 2)
OFS Input Range
OFS GAIN
GNDS Gain
TIME Frequency Accuracy
On-Time (Note 3)
Minimum Off-Time (Note 3)
_______________________________________________________________________________________
PARAMETER
PARAMETER
CC
CC
= V
= V
SYMBOL
SYMBOL
t
DD
OFF(MIN)
DD
A
A
f
GNDS
TIME
t
OFS
ON
= V
= V
SHDN
SHDN
A
A
= -40°C to +100°C, unless otherwise specified.) (Note 5)
= 0°C to +85°C, unless otherwise specified. Typical values are at T
Battery voltage, V+
V
V+ = 4.5V to 28V,
includes load
regulation error
∆V
∆V
∆V
∆V
∆V
1000kHz nominal, R
500kHz nominal, R
250kHz nominal, R
V+ = 12V,
V
TON = GND
TON = V
D0–D4
TON, S0–S1
TON, S0–S1 forced to GND or V
= V
= V
CC
FB
OUT
OFS
OUT
OFS
OUT
, V
= V
TON
TON
/∆V
/∆V
/∆V
DD
= V
= V
CCI
CC
= V
= V
OFS;
OFS;
GNDS
OFS,
OFS
, open, or REF
= 1.2V
SKIP
SKIP
-V
CONDITIONS
CONDITIONS
V
REF,
OFS
= V
= V
TIME
TIME
TIME
V
= 0 to 1V
S0
S0
OFS
DAC codes ≥ 1V
DAC codes from
0.60V to 1V
TON = GND
(550kHz)
TON = REF
(300kHz)
TON = open
(200kHz)
TON = V
(100kHz)
= 30kΩ
= 60kΩ
= V
= V
= 15kΩ
High
Open
REF
Low
= 1V to 2V
S1
S1
= V
= V
CC
CC
OVP
OVP
= 5V, V
= 5V, V
FB
FB
-0.131
-0.131
V
MIN
3.15
1.65
MIN
0.94
880
450
220
150
315
470
910
-13
-20
CC
0.4
4.5
-2
-3
= V
= V
4
0
-
CMP
CMP
TYP
= V
= V
CMN
CMN
A
-0.115
-0.115
= V
= V
MAX
1120
1150
MAX
1.01
3.85
2.35
+13
+20
= +25°C.)
550
280
210
395
580
380
490
5.5
0.8
+2
0.4
+3
28
2
CSP
CSP
= V
= V
UNITS
UNITS
kHz
mV
V/V
V/V
µA
µA
CSN
CSN
ns
ns
V
V
V
V
=
=