MAX8770GTL+T Maxim Integrated Products, MAX8770GTL+T Datasheet - Page 7

• 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
(Circuit of Figure 1. V
= 1.200V, D0–D6 set for 1.20V (D0-D6 = 0001100). T
+25°C.) (Note 4)
CONFIDENTIAL INFORMATION – RESTRICTED TO INTEL
PWM CONTROLLER
Input Voltage Range
DC Output Voltage Accuracy
Boot Voltage
GNDS Input Range
GNDS Gain
On-Time Accuracy (Note 3)
Minimum FB and CCI Voltages
for Pseudo-Fixed-Frequency
Operation
Minimum Off-Time
TIME Slew-Rate Accuracy
BIAS AND REFERENCE
Quiescent Supply Current (V
Quiescent Supply Current (V
Shutdown Supply Current (V
Shutdown Supply Current (V
Reference Voltage
Reference Load Regulation
PARAMETER
MAX8770/MAX8771/MAX8772 Dual-Phase, Quick-
DD
_______________________________________________________________________________________
= V
CC
CC
DD
CC
DD
= V
)
)
)
)
SHDN
I
I
SYMBOL
t
CC(SHDN)
DD(SHDN)
OFF(MIN)
A
V
V
∆V
V
V
BOOT
GNDS
GNDS
t
= V
I
I
OUT
ON
CC
DD
REF
REF
PSI
= V
V
Includes load-
regulation error
(Note 2)
∆V
+200mV
V
V
Switching frequency is reduced if FB and/or
CCI are less than this value
(Note 3)
R
R
178kΩ (5mV/µs nominal)
DPRSTP = high, DPRSLPVR = high, R
= 35.7kΩ to 178kΩ, SR = 6.25mV/µs
nominal to 1.25mV/µs nominal
Startup and shutdown,
R
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
REF
REF
DPRSTP
CC
IN
FB
TIME
TIME
TIME
CC
OUT
= 12V
, V
= V
= 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
= 35.7kΩ (3.125mV/µs nominal) to
/∆V
DD
= -40°C to +105°C, unless otherwise specified. Typical values are at T
CCI
= 5V, DPRSLPVR = GNDS = PGND_ = GND, V
GNDS,
= 1.2V
CC
DD
CC
DD
CONDITIONS
-200mV ≤ V
, FB forced above the
, FB forced above the
, SHDN = GND
, SHDN = GND
REF
R
R
R
DAC codes from
0.8375V to 1.500V
DAC codes from
0.500V to 0.825V
DAC codes below
0.4875V
TON
TON
TON
= 0
GNDS
= 96.75kΩ
= 200kΩ
= 303.25kΩ
CC
CC
≤
TIME
®
1.182
IMVP-6 LICENSEES
-200
0.95
1.98
MIN
-0.6
142
300
425
4.5
-15
-10
-15
-20
-20
-6
-2
FB
TYP
= V
CCI
1.218
= V
+200
MAX
+0.6
1.05
0.25
2.02
+15
+10
+15
+20
+20
192
366
575
375
5.5
6.2
+6
10
1
1
1
CSP
_ = V
UNITS
mV
mV
V/V
mA
mV
µA
µA
µA
ns
ns
%
%
V
V
V
V
CSN
A
7
=
_