MAX8770GTL+T Maxim Integrated Products, MAX8770GTL+T Datasheet - Page 8

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

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
8
FAULT PROTECTION
Output Overvoltage Protection
Threshold
(MAX8770/MAX8771 Only)
Output Undervoltage Protection
Threshold
CLKEN Startup Delay (Boot Time
Period)
PWRGD, PHASEGD Startup
Delay
CLKEN, PWRGD Threshold
PHASEGD Window Comparator
Thresholds
CLKEN, PWRGD, PHASEGD
Output Low Voltage
VRHOT Trip Threshold
VRHOT Output On-Resistance
V
Threshold
DROOP AND BALANCE
DC Droop Amplifier Offset
DC Droop Amplifier
Transconductance
Current-Balance
Preamplifier Offsets
CC
_______________________________________________________________________________________
Undervoltage Lockout
MAX8770/MAX8771/MAX8772 Dual-Phase, Quick-
PARAMETER
DD
= V
CC
= V
SHDN
V
SYMBOL
UVLO(VCC)
t
R
G
= V
PWRGD
t
V
V
V
VRHOT
BOOT
m(FB)
HOT
OVP
UVP
PSI
= V
DPRSTP
A
Measured at FB with respect to unloaded
output voltage, rising edge,
PWM mode, or skip mode after output
reaches the regulation voltage
Measured at FB,
rising edge
Measured at FB with respect to unloaded
output voltage
Measured from the time when FB reaches
the boot target voltage based on the slew
rate set by R
Measured at startup from the time when
CLKEN goes low
Measured at FB
with respect to
unloaded output
voltage
15mV hysteresis
(typ)
V(CCI,FB),
0.4V ≤ V(FB) ≤ 1.5V
15mV hysteresis
(typ)
I
Measured at THRM, with respect to V
falling edge, 115mV hysteresis (typ)
Low state
Rising edge, 50mV hysteresis, DL_ pulled
low below this level
∆I
V
V
[V(CSPI, CSN_) - V(CPS2, CSN_)]
at I
SINK
= -40°C to +105°C, unless otherwise specified. Typical values are at T
FB
CSP
FB
CCI
/(Σ∆V
= V
_ - V
= 3mA
= 5V, DPRSLPVR = GNDS = PGND_ = GND, V
= 0
CSN
CSN
CS
_ = 1.2V,
),
TIME
_ = 0 to +60mV
CONDITIONS
Skip mode and
output have not
reached the
regulation voltage
Lower threshold,
falling edge
(undervoltage)
Upper threshold,
rising edge
(overvoltage)
Lower threshold,
0.6V
Upper threshold,
1.4V
FB
FB
nominal
nominal
CC
,
®
+150
IMVP-6 LICENSEES
-450
-350
1.75
29.5
MIN
-1.5
-1.5
250
580
-20
-20
4.1
20
3
FB
= V
TYP
CCI
= V
+250
MAX
+1.5
+1.5
1.85
-350
-250
30.5
4.45
+20
+20
350
100
620
0.4
CSP
11
8
_ = V
A
= +25°C.)
UNITS
CSN
mV
mV
mV
mV
mV
mV
ms
µs
µs
%
Ω
V
V
V
_ =