MAX8770GTL+T Maxim Integrated Products, MAX8770GTL+T Datasheet - Page 9

no-image

MAX8770GTL+T

Manufacturer Part Number
MAX8770GTL+T
Description
IC CTLR PS 2/1PH QUICK PWM 40QFN
Manufacturer
Maxim Integrated Products
Datasheet

Specifications of MAX8770GTL+T

Applications
Controller, Intel IMVP-6
Voltage - Input
4 ~ 26 V
Number Of Outputs
1
Voltage - Output
0.125 ~ 1.5 V
Operating Temperature
-40°C ~ 105°C
Mounting Type
*
Package / Case
*
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
PWM Controller for IMVP-6+ CPU Core Power Supplies
ELECTRICAL CHARACTERISTICS (continued)
(Circuit of Figure 1. V
1.200V, D0–D6 set for 1.20V (D0-D6 = 0001100). T
(Note 4)
CONFIDENTIAL INFORMATION – RESTRICTED TO INTEL
Note 2: DC output accuracy specifications refer to the trip level of the error amplifier. The output voltage has a DC regulation higher
Note 3: On-time and minimum off-time specifications are measured from 50% to 50% at the DH_ and DH_ pins, with LX_ forced to
Note 4: Specifications to T
CURRENT LIMIT
Valley Current-Limit Threshold
(Positive)
Valley Current-Limit Threshold
(Negative)
Current-Sense Common-Mode
Input Range
Phase 2 Disable Threshold
GATE DRIVERS
DH_ Gate Driver On-Resistance
DL_ Gate Driver On-Resistance
Driver Propagation Delay
Internal Boost Charging Switch
On-Resistance
POWER MONITOR
Power-Monitor Output Voltage for
Typical HFM Conditions
Power-Monitor Gain Referred to
Feedback Voltage
Power-Monitor Gain Referred to
ΣV(CSP_,CSN)
Power-Monitor Load Regulation
LOGIC AND I/O
Logic-Input High Voltage
Low-Voltage Logic-Input High
Low-Voltage Logic-Input Low
than the trip level by 50% of the output ripple. When pulse skipping, the output rises by approximately 1.5% when transition-
ing from continuous conduction to no load.
GND, BST_ forced to 5V, and a 500pF capacitor from DH_ to LX_ to simulate external MOSFET gate capacitance. Actual in-
circuit times may be different due to MOSFET switching speeds.
PARAMETER
MAX8770/MAX8771/MAX8772 Dual-Phase, Quick-
DD
_______________________________________________________________________________________
= V
CC
A
= -40°C and +105°C are guaranteed by design and are not production tested.
= V
SHDN
SYMBOL
R
R
ON(DH_)
V
ON(DL_)
V
= V
V
LIMIT
V
IHLV
ILLV
IH
PSI
= V
CSP_ - CSN_
CSP_ - CSN_
CSP_, CSN_
CSP2
BST_ – LX_ forced
to 5V
High state (pullup)
Low state (pulldown)
DH_ Low to DL_ High
DL_ Low to DH_ High
V
V
Σ∆V
V
Sourcing: I
SHDN, DPRSLPVR, rising edge,
hysteresis = 200mV
D0–D6, PSI, DRPSTP
D0–D6, PSI, DRPSTP
DPRSTP
A
DD
FB
FB
= -40°C to +105°C, unless otherwise specified. Typical values are at T
CS
- V
- V
to BST_
GNDS
GNDS
= 30mV
= 5V, DPRSLPVR = GNDS = PGND_ = GND, V
POUT
= 1.200V, Σ∆V
= 1.200V
CONDITIONS
= 0 to 500µA
High state (pullup)
Low state (pulldown)
CS
= 30mV
®
IMVP-6 LICENSEES
0.67
18.5
2.04
1.70
MIN
-36
1.2
15
70
-6
0
3
9
FB
= V
TYP
CCI
V
= V
CC
MAX
26.5
2.28
1.90
0.33
-24
2.5
2.5
2.0
0.5
2.3
20
74
CSP
- 0.4
2
_ = V
A
= +25°C.)
UNITS
µV/µA
CSN
mV
mV
V/V
V/V
ns
V
V
V
V
V
V
_ =
9

Related parts for MAX8770GTL+T