MAX8770GTL+T Maxim Integrated Products, MAX8770GTL+T Datasheet - Page 3

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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
CONFIDENTIAL INFORMATION – RESTRICTED TO INTEL
TIME Slew-Rate Accuracy
BIAS AND REFERENCE
Qui escent S up p l y C ur r ent ( V
Qui escent S up p l y C ur r ent ( V
S hutd ow n S up p l y C ur r ent ( V
S hutd ow n S up p l y C ur r ent ( V
Reference Voltage
Reference Load Regulation
FAULT PROTECTION
Output Overvoltage Protection
Threshold
(MAX8770/MAX8771 Only)
Output Overvoltage-
Propagation Delay
(MAX8770/MAX8771 Only)
Output Undervoltage
Protection Threshold
Output Undervoltage
Propagation Delay
CLKEN Startup Delay
(Boot Time Period)
PARAMETER
MAX8770/MAX8771/MAX8772 Dual-Phase, Quick-
DD
_______________________________________________________________________________________
= V
C C
D D
CC
C C
D D
)
)
)
)
= V
SHDN
I
I
SYMBOL
CC(SHDN)
DD(SHDN)
∆V
t
V
V
V
BOOT
t
t
I
I
OVP
UVP
OVP
CC
DD
REF
UVP
REF
= V
PSI
R
R
(5mV/µs nominal)
DPRSTP = high, DPRSLPVR = high,
R
nominal to 1.25mV/µs nominal
Startup and shutdown, R
(3.125mV/µs nominal) to 178kΩ
(0.625mV/µs nominal)
Measured at V
regulation point, DPRSLPVR = V
Measured at V
regulation point, DPRSLPVR = V
Measured at V
Measured at V
V
I
I
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
FB forced 25mV above trip threshold
Measured at FB with respect to unloaded
output voltage
FB forced 25mV below trip threshold
Measured from the time when FB reaches the
boot target voltage based on the slew rate set
by R
= V
REF
REF
CC
TIME
TIME
TIME
DPRSTP
TIME
= 4.5V to 5.5V, I
= 0 to 500µA
= -100µA to 0
A
= 71.5kΩ (12.5mV/µs nominal)
= 35.7kΩ (25mV/µs nominal) to 178kΩ
= 35.7kΩ to 178kΩ, SR = 6.25mV/µs
= 0°C to +85°C, unless otherwise specified. Typical values are at T
= 5V, DPRSLPVR = GNDS = PGND_ = GND, V
CC
DD
CC
DD
CONDITIONS
, FB forced above the
, FB forced above the
, SHDN = GND
, SHDN = GND
REF
Skip mode and output
have not reached the
regulation voltage
Minimum OVP threshold
TIME
= 0
= 35.7kΩ
CC
CC
®
IMVP-6 LICENSEES
1.986
1.75
-450
MIN
250
-10
-15
-20
-20
20
-2
FB
2.000
-400
TYP
0.01
0.01
0.01
0.21
1.80
-0.2
300
0.8
= V
10
10
60
5
CCI
= V
2.014
MAX
-350
1.85
+10
+15
+20
+20
100
350
6.2
10
1
1
1
CSP
A
= +25°C.)
_ = V
UNITS
mA
mV
mV
mV
µA
µA
µA
µs
µs
µs
%
V
V
CSN
3
_

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