参数资料
型号: MAX17480EVKIT+
厂商: Maxim Integrated Products
文件页数: 7/48页
文件大小: 0K
描述: EVALUATION KIT FOR MAX17480
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 1
主要目的: DC/DC,步降
输出及类型: 3,非隔离
输入电压: 4 ~ 26 V
稳压器拓扑结构: 降压
板类型: 完全填充
已供物品:
已用 IC / 零件: MAX17480
AMD 2-/3-Output Mobile Serial
VID Controller
ELECTRICAL CHARACTERISTICS
(Circuit of Figure 2, V IN = 12V, V CC = V DD = V IN3 = SHDN = PGD_IN = 5V, V DDIO = 1.8V, OPTION = GNDS_ = AGND = PGND,
FBDC_ = FBAC_ = OUT3 = CSP_ = CSN_ = 1.2V, all DAC codes set to the 1.2V code, T A = -40°C to +105°C , unless otherwise
noted. Typical values are at T A = +25 ° C.) (Note 5)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
INPUT SUPPLIES
V IN
Drain of external high-side MOSFET
4
26
Input Voltage Range
V BIAS
V IN3
V CC , V DD
4.5
2.7
5.5
5.5
V
V DDIO
1.0
2.7
V CC Undervoltage-Lockout
Threshold
V DDIO Undervoltage-Lockout
Threshold
V IN3 Undervoltage-Lockout
Threshold
Quiescent Supply Current (V CC )
Quiescent Supply Current
Quiescent Supply Current (IN3)
V UVLO
I CC
I DDIO
I IN3
V CC rising, 50mV typical hysteresis,
latched, UV fault
V DDIO rising, 100mV typical hysteresis,
latched, UV fault
V IN3 rising, 100mV typical hysteresis
Skip mode, FBDC_ and OUT3 forced
above their regulation points
Skip mode, OUT3 forced above its
regulation point
4.10
0.7
2.5
4.45
0.9
2.7
10
25
200
V
V
V
mA
μA
μA
INTERNAL DACs, SLEW RATE, PHASE SHIFT
Measured at FBDC_
for the core SMPSs;
DAC codes from
0.8375V to 1.5500V
-0.7
+0.7
%
measured at OUT3
DC Output Voltage Accuracy
V OUT
for the NB SMPS;
30% duty cycle,
DAC codes from
0.5000V to 0.8250V
-7.5
+7.5
no load, ILIM3 =
mV
V CC , V OUT3 = V DAC3
+ 12.5mV (Note 3)
DAC codes from
12.5mV to 0.4875V
R TIME = 143k ,
SR = 6.25mV/μs
-15
-10
+15
+10
Slew-Rate Accuracy
During transition
R TIME = 35.7k
357k , SR =
to
-15
+15
%
25mV/μs to 2.5mV/μs
Switching Frequency Accuracy
f OSC1,
f OSC2,
f OSC3
R OSC = 143k (f OSC1 = f OSC2 = 300kHz
nominal, f OSC3 = 600kHz nominal)
R OSC = 71.4k (f OSC1 = f OSC2 = 600kHz
nominal, f OSC3 = 1.2MHz nominal) to
432k (f OSC1 = f OSC2 = 99kHz nominal,
-9
-12
+9
+12
%
f OSC3 = 199kHz nominal)
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