参数资料
型号: MAX15003ATM+T
厂商: Maxim Integrated Products
文件页数: 4/31页
文件大小: 0K
描述: IC REG CTRLR BUCK PWM 48TQFN-EP
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 2,500
PWM 型: 电压模式
输出数: 3
频率 - 最大: 2.2MHz
电源电压: 5.5 V ~ 23 V
降压:
升压:
回扫:
反相:
倍增器:
除法器:
Cuk:
隔离:
工作温度: -40°C ~ 125°C
封装/外壳: 48-WFQFN 裸露焊盘
包装: 带卷 (TR)
MAX15003
Triple-Output Buck Controller with
Tracking/Sequencing
ELECTRICAL CHARACTERISTICS (continued)
(V IN = 5.5V to 23V or V IN = V REG = 4.5V to 5.5V, V DREG _ = V REG , V PGND _ = V SYNC = V PHASE = V SEL = 0V, C REG = 2.2μF, R RT =
100k ? , C CT = 0.1μF, R ILIM _ = 60k ? , T A = T J = -40°C to +125°C, unless otherwise noted. Typical values are at V IN = 12V and T A = T J
= +25°C, unless otherwise noted.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
PHASE Input Logic High
PHASE Input Logic Low
2
0.8
V
V
PHASE Input Bias Current
-1
+1
μA
SEL High Threshold
SEL Low Threshold
80
20
%V REG
%V REG
SEL Input Bias Current
Present only during startup
-100
+100
μA
PGOOD, RESET OUTPUTS
FB_ For Threshold PGOOD_
FB_ falling
0.540
0.555
0.570
V
RESET , PGOOD_ Output Low
Level
RESET , PGOOD_ Leakage
Sinking 3mA
-1
0.1
+1
V
μA
CT Charging Current
CT Pulldown Resistance
Sinking 3mA
1.8
2.0
2.2
33
μA
?
CT Threshold for RESET Delay
CT rising
CT failling
1.8
1.2
2.6
V
OSCILLATOR
Switching Frequency Range
(Each Converter)
Switching Frequency Accuracy
(Each Converter)
Phase Delay
RT Voltage
Minimum Controllable On-Time
Minimum Off-Time
f SW
V RT
t ON(MIN)
t OFF(MIN)
V SYNC = 0V, f CLK = 10 11 / (R RT + 1.75k ? )
f SW ≤ 1500kHz
f SW ≥ 1500kHz
V PHASE = 0V (DH1 rising to DH2 rising and
DH2 rising to DH3 rising)
V PHASE = V REG (DH1 rising to DH2 rising
and DH2 rising to DH3 rising)
40k ? < R RT < 500k ?
200
-5
-7
120
0
2
75
150
2200
+5
+7
kHz
%
degrees
degrees
V
ns
ns
SYNC High-Level Voltage
SYNC Low-Level Voltage
2
0.8
V
V
SYNC Internal Pulldown Resistor
50
100
200
k ?
SYNC Frequency Range
SYNC Minimum On-Time
SYNC Minimum Off-Time
PWM Ramp Amplitude
(Peak-to-Peak)
PWM Ramp Valley
(Note 3)
0.6
30
30
2
1
6.9
MHz
ns
ns
V
V
Note 1: 100% production tested at T A = T J = +25°C and T A = T J = +125°C. Limits at other temperature are guaranteed by design.
Note 2: For 5V applications, connect REG directly to IN.
Note 3: The switching frequency is 1/3 of the SYNC frequency.
4
Maxim Integrated
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