MAX8760ETL+T Maxim Integrated Products, MAX8760ETL+T Datasheet - Page 4

• Manufacturer Part Number: MAX8760ETL+T
• Description: IC CNTRLR QUICK PWM 40-TQFN
• Manufacturer: Maxim Integrated Products

Specifications of MAX8760ETL+T

• Applications: Controller, 6-bit VID AMD Mobile Turion™
• Voltage - Input: 4 ~ 28 V
• Number Of Outputs: 2
• Voltage - Output: 0.38 ~ 1.55 V
• Operating Temperature: 0°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 40-TQFN Exposed Pad
• Output Voltage: 0.375 V to 1.55 V
• Output Current: 4000 mA
• Mounting Style: SMD/SMT
• Switching Frequency: 550 KHz
• Maximum Operating Temperature: + 100 C
• Minimum Operating Temperature: - 40 C
• Synchronous Pin: No
• Topology: Buck
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Dual-Phase, Quick-PWM Controller for AMD
Mobile Turion 64 CPU Core Power Supplies
ELECTRICAL CHARACTERISTICS (continued)
(Circuit of Figure 1, V+ = 15V, V
SUS = GNDS = D0–D5 = GND, T
4
Output Undervoltage Fault and
VROK Transition Blanking Time
VROK Startup Delay
VROK Delay
VROK Output Low Voltage
VROK Leakage Current
V
Threshold
Thermal-Shutdown Threshold
CURRENT LIMIT AND BALANCE
Current-Limit Threshold Voltage
(Positive, Default)
Current-Limit Threshold Voltage
(Positive, Adjustable)
Current-Limit Threshold Voltage
(Negative)
Current-Limit Threshold Voltage
(Zero Crossing)
CMP, CMN, CSP, CSN Input
Ranges
CMP, CMN, CSP, CSN Input
Current
Secondary Driver-Disable
Threshold
ILIM Input Current
Current-Limit Default Switchover
Threshold
Current-Balance Offset
CC
_______________________________________________________________________________________
Undervoltage Lockout
PARAMETER
CC
A
= 0°C to +85°C, unless otherwise specified. Typical values are at T
= V
V
V
V
SYMBOL
UVLO(VCC)
LIMIT(NEG)
OS(IBAL)
t
T
V
V
V
DD
BLANK
t
V
V
I
VROK
SHDN
ZERO
LIMIT
LIMIT
ILIM
CSP
ILIM
= V
SHDN
Measured from the time when FB reaches
the voltage set by the DAC code; clock
speed set by R
Measured from the time when FB first
reaches the voltage set by the DAC code
after startup
FB forced 2% outside the VROK trip
threshold
I
High state, VROK forced to 5.5V
Rising edge, hysteresis = 90mV, PWM
disabled below this level
Hysteresis = 10°C
CMP - CMN, CSP - CSN; ILIM = V
CMP - CMN, CSP - CSN
CMP - CMN, CSP - CSN; ILIM = V
SKIP = V
CMP - CMN, CSP - CSN; SKIP = GND
V
V
(V
-20mV < (V
1.0V < V
SINK
CSP
ILIM
CMP
= V
= 3mA
= V
= 0 to 5V
SKIP
- V
CCI
CC
CSN
CMN
= V
CMP
< 2.0V
= 0 to 5V
) - (V
S0
CONDITIONS
TIME
- V
= V
CSP
CMN
(Note 4)
S1
) < 20mV,
- V
= 5V, V
CSN
V
V
ILIM
ILIM
); I
FB
= 0.2V
= 1.5V
CCI
CC
CC
= V
,
= 0,
CMP
= V
CMN
MIN
-41
4.0
28
73
-2
-2
8
0
3
3
3
A
= V
= +25°C.)
V
V
CSP
+160
CC
CC
TYP
4.25
-36
1.5
0.1
24
10
30
10
75
5
- 1
- 1
= V
CSN
V
V
MAX
200
0.4
4.4
-31
0.4
0.4
+2
CC
CC
+2
32
12
77
7
1
2
= 1.3V, OFS =
-
-
UNITS
Clks
mV
mV
mV
mV
mV
ms
µA
µA
nA
µs
°C
V
V
V
V
V