参数资料
型号: MAX1715EEI
厂商: Maxim Integrated Products
文件页数: 4/25页
文件大小: 0K
描述: IC REG CTRLR BUCK PWM 28-QSOP
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 50
PWM 型: 控制器
输出数: 2
频率 - 最大: 620kHz
占空比: 100%
电源电压: 4.5 V ~ 5.5 V
降压:
升压:
回扫:
反相:
倍增器:
除法器:
Cuk:
隔离:
工作温度: -40°C ~ 85°C
封装/外壳: 28-SSOP(0.154",3.90mm 宽)
包装: 管件
Ultra-High Efficiency, Dual Step-Down
Controller for Notebook Computers
ELECTRICAL CHARACTERISTICS (continued)
(Circuit of Figure 1, 4A components from Table 1, V CC = V DD = +5V, SKIP = AGND, V+ = 15V, T A = 0°C to +85°C , unless otherwise
noted.) (Note 1)
PARAMETER
Logic Input Current
CONDITIONS
SKIP , to deactivate OVP circuitry
MIN
-5
TYP
MAX
-1
UNITS
mA
V CC level
V CC - 0.4
TON Threshold
Float level
REF level
3.15
1.65
3.85
2.35
V
AGND level
0.5
Logic Input Current
Logic Input Current
TON (0 or V CC )
ON_, SKIP (0 or V CC )
-3
-1
3
1
μA
μA
PGOOD Trip Threshold
PGOOD Propagation Delay
PGOOD Output Low Voltage
PGOOD Leakage Current
Measured at FB_, with respect to error comparator
threshold, no load
Falling edge, FB_ forced 2% below PGOOD trip threshold
I SINK = 1mA
High state, forced to 5.5V
-8
-5.5
1.5
0.1
-4
0.4
1
%
μs
V
μA
ELECTRICAL CHARACTERISTICS
(Circuit of Figure 1, 4A components from Table 1, V CC = V DD = +5V, SKIP = AGND, V+ = 15V, T A = -40°C to +85°C , unless otherwise
noted.) (Note 1)
PARAMETER
Input Voltage Range
Battery voltage, V+
V DD, V CC
CONDITIONS
MIN
2
4.5
TYP
MAX
28
5.5
UNITS
V
Output 1 Error Comparator
Threshold (DC Output Voltage
Accuracy) (Note 2)
Output 2 Error Comparator
Threshold (DC Output Voltage
Accuracy) (Note 2)
V+ = 2V to 28V,
SKIP = V CC
V+ = 4.5V to 28V,
SKIP = V CC
FB1 = OUT1
FB1 = AGND
FB1 = V CC
FB2 = OUT2
FB2 = GND
0.98
1.764
3.234
0.98
2.45
1.00
1.8
3.3
1.00
2.5
1.02
1.836
3.372
1.02
2.55
V
V
TON = GND
112
136
160
On-Time (PWM1)
V+ = 24V, OUT1 = 2V
TON = REF
TON = open
142
210
173
247
205
280
ns
TON = V DD
TON = GND
300
154
353
182
407
215
On-Time (PWM2)
V+ = 24V, OUT2 = 2V
TON = REF
TON = open
198
292
234
336
270
380
ns
TON = V DD
420
484
550
Minimum Off-Time
(Note 3)
400
500
ns
4
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