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| 型号： | MC33997DW |
| 厂商： | Freescale Semiconductor |
| 文件页数： | 9/20页 |
| 文件大小： | 0K |
| 描述： | IC SWITCH 3.3/5V SUPPLY 24-SOIC |
| 标准包装： | 30 |
| 应用： | 切换电源，微处理器 |
| 输入电压： | 6 V ~ 26.5 V |
| 输出数： | 5 |
| 输出电压： | 3.3V，5V |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 24-SOIC（0.295"，7.50mm 宽） |
| 供应商设备封装： | 24-SOIC W |
| 包装： | 管件 |
ELECTRICAL CHARACTERISTICS
STATIC ELECTRICAL CHARACTERISTICS
Table 3. Static Electrical Characteristics (continued)
Characteristics noted under conditions 9.0 V ≤ V PWR ≤ 16 V, -40 ° C ≤ T J = T A ≤ 125 ° C, using the typical application circuit (see
Figure ) unless otherwise noted. Typical values noted reflect the approximate parameter mean at T A = 25 ° C under nominal
conditions unless otherwise noted.
Characteristic
Symbol
Min
Typ
Max
Unit
SENSOR SUPPLIES (VREF1, VREF2)
VREF On-Resistance, T A = -40°C
R DS(ON)
m ?
I VREF = 200 mA, I VDDH = 200 mA, V PWR = KA_V PWR = 14 V, EN =
–
–
280
5.0 V
VREF On-Resistance, T A = +25°C
R DS(ON)
m ?
I VREF = 200 mA, I VDDH = 200 mA, V PWR = KA_V PWR = 14 V, EN =
–
–
350
5.0 V
VREF On-Resistance, T A = +125°C
R DS(ON)
m ?
I VREF = 200 mA, I VDDH = 200 mA, V PWR = KA_V PWR = 14 V, EN =
–
–
455
5.0 V
VREF Short-to-Battery Detect Current
I SC_BAT
mA
V PWR = KA_V PWR = 14 V, EN = 5.0 V, SNSEN = 5.0 V
VREF Short-to-Ground Detect Current
V PWR = KA_V PWR = 14 V, EN = 5.0 V, SNSEN = 5.0 V
I SC_GND
500
500
–
–
900
900
mA
Maximum Output Capacitance (Total) (12)
C VREF
33
–
39
nF
SUPERVISORY CIRCUITS (VPWR)
PWROK Undervoltage Threshold on V DDL , FBL Ramps Down
V FBL(THL)
V
V PWR = KA_V PWR = 14 V, I VDDH = 200 mA
PWROK Undervoltage Threshold on V DDH
V PWR = KA_V PWR = 14 V, I VDDH = 200 mA
VDDH Overvoltage Threshold
V PWR = KA_V PWR = 10 V, I VDDH = 200 mA
PWROK Open Drain On-Resistance
V PWR = KA_V PWR = 14 V, EN = 5 V, I PwrOK = 5.0 mA
VKAMOK Threshold,
V PWR = KA_V PWR = 14 V, I VDDH = 200 mA
VKAMOK Threshold on V PWR , V PWR Ramps Up
KA_V PWR = 14 V, I VDDH = 200 mA
VKAMOK Open Drain On-Resistance
V PWR = KA_V PWR = 14 V, EN = 0 V, I VKAMOK = 10 mA
V DDH(THL)
V DDH(THH)
R DS(ON)
V KAM(THL)
V PWRok(TH)
R DS(ON)
2.6
4.5
5.12
–
0.9
4.0
50
–
–
–
–
–
–
–
3.1
4.8
5.7
200
1.9
5.0
200
V
V
?
V
V
?
Enable Input Voltage Threshold (Pin EN)
Enable Pull-Down Current (Pin EN), EN = 1.0 V V DDH to V IL (min)
Sensor Enable Input Voltage Threshold (Pin SNSEN)
V IH
I PD
V IH
1.0
500
1.0
–
–
–
2.0
1200
2.0
V
nA
V
Sensor Enable Pull-Down Current (Pin SNSEN)
I PD
nA
SNSEN = 1.0 V V DDH to V IL (min)
500
–
1200
Notes
12. Recommended value.
33997
Analog Integrated Circuit Device Data
Freescale Semiconductor
9
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