MAX17480GTL 데이터 시트보기 (PDF) - Maxim Integrated
부품명
상세내역
일치하는 목록
MAX17480GTL Datasheet PDF : 48 Pages
| |||
AMD 2-/3-Output Mobile Serial
VID Controller
ELECTRICAL CHARACTERISTICS (continued)
(Circuit of Figure 2, VIN = 12V, VCC = VDD = VIN3 = SHDN = PGD_IN = 5V, VDDIO = 1.8V, OPTION = GNDS_ = AGND = PGND,
FBDC_ = FBAC_ = OUT3 = CSP_ = CSN_ = 1.2V, all DAC codes set to the 1.2V code, TA = 0°C to +85°C, unless otherwise noted.
Typical values are at TA = +25°C.)
PARAMETER
SYMBOL
CONDITIONS
Shutdown Supply Currents (VDD)
SHDN = GND, TA = +25°C
Shutdown Supply Current (VDDIO)
SHDN = GND, TA = +25°C
Shutdown Supply Current (IN3)
SHDN = GND, TA = +25°C
INTERNAL DACs, SLEW RATE, PHASE SHIFT
MIN TYP MAX UNITS
0.01
1
µA
0.01
1
µA
0.01
1
µA
DC Output Voltage Accuracy
(Note 1)
VOUT
Measured at FBDC_
for the core SMPSs;
DAC codes from
0.8375V to 1.5500V
-0.5
measured at OUT3
for the NB SMPS;
30% duty cycle, no
DAC codes from
0.5000V to 0.8250V
-5
load, ILIM3 = VCC,
VOUT3 = VDAC3 +
12.5mV (Note 3)
DAC codes from
-10
12.5mV to 0.4875V
+0.5
%
+5
mV
+10
OUT3 Offset
SMPS1 to SMPS2 Phase Shift
SMPS2 starts after SMPS1
12.5
mV
50
%
180
Degrees
SMPS3 to SMPS1 and SMPS2
Phase Shift
SMPS3 starts after SMPS1 or SMPS2
25
%
Slew-Rate Accuracy
RTIME = 143k, SR = 6.25mV/µs -10
During
transition RTIME = 35.7k to 357k,
-15
SR = 25mV/µs to 2.5mV/µs
+10
%
+15
FBAC_ Input Bias Current
FBDC_ Input Bias Current
IFBAC_
IFBDC_
Switching Frequency Accuracy
fOSC1,
fOSC2,
fOSC3
SMPS1 AND SMPS2 CONTROLLERS
Startup
CSP_ = CSN_, TA = +25°C
TA = +25°C
ROSC = 143k (fOSC1 = fOSC2 = 300kHz
nominal, fOSC3 = 600kHz nominal)
ROSC = 71.4k (fOSC1 = fOSC2 = 600kHz
nominal, fOSC3 = 1.2MHz nominal) to
432k (fOSC1 = fOSC2 = 99kHz nominal,
fOSC3 = 199kHz nominal)
-3
-250
-7
-9
1
mV/µs
+3
µA
+250
nA
+7
%
+9
DC Load Regulation
Either SMPS, PWM mode, droop disabled;
zero to full load
-0.1
%
Line Regulation Error
GNDS_ Input Range
GNDS_ Gain
GNDS_ Input Bias Current
Either SMPS, 4V < VIN < 26V
0.03
%/V
VGNDS_ Separate mode
-200
+200 mV
Separate: VOUT_/VGNDS_, -200mV VGNDS_
AGNDS_ +200mV; combined: VOUT/VGNDS_,
0.95 1.00 1.05
V/V
-200mV VGNDS_ +200mV
IGNDS_ TA = +25°C
-2
+2
µA
_______________________________________________________________________________________ 3
Share Link: 