参数资料
型号: MAX17528GTJ+
厂商: Maxim Integrated Products
文件页数: 6/41页
文件大小: 0K
描述: IC PWM CTRLR STP-DWN 32TQFN-EP
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 60
系列: Quick-PWM™
应用: 控制器,Intel IMVP-6.5? GMCH
输入电压: 4.5 V ~ 5.5 V
输出数: 1
输出电压: 0.01 V ~ 1.5 V
工作温度: -40°C ~ 105°C
安装类型: 表面贴装
封装/外壳: 32-WFQFN 裸露焊盘
供应商设备封装: 32-TQFN-EP(5x5)
包装: 管件
1-Phase Quick-PWM
Intel IMVP-6.5/GMCH Controllers
ELECTRICAL CHARACTERISTICS
(Circuit of Figure 1, V IN = 12V, V DD = V CC = 5V, CLKEN pullup to 3.3V with 1.9k ? , SHDN = SLOW = ILIM = PGDIN = V CC , SKIP =
GNDS = PGND = GND, V FB = V CSP = V CSN = 1.200V, D0–D6 set for 1.20V (D0–D6 = 0001100). T A = -40°C to +105°C , unless other-
wise specified.) (Note 2)
PARAMETER
SYMBOL
CONDITIONS
MIN
MAX
UNITS
PWM CONTROLLER
Input-Voltage Range
V CC , V DD
4.5
5.5
V
Measured at FB with
DAC codes from
0.8125V to 1.5000V
-0.75
+0.75
%
DC Output-Voltage Accuracy
respect to GNDS;
includes load-
regulation error
(Note 3)
DAC codes from
0.3750V to 0.8000V
DAC codes from 0V
to 0.3625V
-10
-25
+10
+25
mV
Boot Voltage
GNDS Input Range
V BOOT
IMVP-6.5 ( CLKEN pullup to 3.3V with 1.9k )
1.085
-200
1.115
+200
V
mV
GNDS Gain
A GNDS
V OUT / V GNDS , -200mV
V GNDS
+200mV
0.95
1.05
V/V
TIME Voltage
V TIME
V CC = 4.5V to 5.5V,
I TIME = 28μA (R TIME = 71.5k )
R TIME = 71.5k
(12.5mV/μs nominal)
1.98
-10
2.02
+10
V
R TIME = 35.7k (25mV/μs nominal) to
178k (5mV/μs nominal)
Soft-start and soft-shutdown;
-15
+15
TIME Slew-Rate Accuracy
R TIME = 35.7k
(3.125mV/μs nominal) to
-20
+20
%
178k
(0.625mV/μs nominal)
SLOW = GND,
R TIME = 35.7k
(12.5mV/μs nominal) to
-20
+20
178k
(2.5mV/μs nominal)
On-Time
t ON
V IN = 12V, V FB = 1.2V
(Note 4)
R TON = 96.75k
R TON = 200k
142
300
192
366
ns
R TON = 303.25k
425
575
Minimum Off-Time
t OFF(MIN)
Measured at DH (Note 4)
400
ns
BIAS CURRENTS
Quiescent Supply Current (V CC )
I CC
Measured at V CC , V SKIP = 5V,
FB forced above the regulation point
3
mA
FAULT PROTECTION
Output Undervoltage-Protection
Threshold
V UVP
Measured at FB with respect to unloaded
output voltage
-460
-340
mV
IMVP-6.5, CLKEN pullup to 3.3V with
IMVP-6.5 CLKEN Startup Delay
(Boot Time Period, CLKEN Pullup
to 3.3V with 1.9k )
t BOOT
1.9k ; measured from the time when FB
reaches the boot target voltage (Note 3);
the time needed for FB to reach this target
voltage is based on the slew rate set by
20
100
μs
R TIME
6
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