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| 型号： | MC34710EWR2 |
| 厂商： | Freescale Semiconductor |
| 文件页数： | 6/18页 |
| 文件大小： | 0K |
| 描述： | IC PWR SUPPLY ADJ DUAL SW 32SOIC |
| 产品变化通告： | AMPD Product Discontinuation 12/Dec/2012 |
| 标准包装： | 1,000 |
| 应用： | 通用，监控器，序列 |
| 电流 - 电源： | 7.5mA |
| 电源电压： | 13 V ~ 32 V |
| 工作温度： | 0°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 32-SSOP（0.295"，7.50mm 宽）裸露焊盘 |
| 供应商设备封装： | 32-SOICW 裸露焊盘 |
| 包装： | 带卷 (TR) |
ELECTRICAL CHARACTERISTICS
STATIC ELECTRICAL CHARACTERISTICS
STATIC ELECTRICAL CHARACTERISTICS
Table 3. STATIC ELECTRICAL CHARACTERISTICS
Characteristics noted under conditions 4.75V ≤ V IO ≤ 5.25V, 13V ≤ V B + ≤ 32V, and 0 ° C ≤ T J ≤ 105 ° C, 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
SWITCHING REGULATOR (VI/O, MODE0)
Logic Supply Voltage (I VI/O = 25 to 700mA)
V I / O
V
Mode0 = 0
Mode0 = Open (floating)
Output On Resistance
V B + = 13 to 32V
Soft Start Threshold Voltage
Mode0 = any
Current Limit Threshold (T J = 25 ° C to 100 ° C)
R DS(ON)
V I / O ( SOFT )
4.8
3.15
0.5
–
5.0
3.25
1.0
2.5
5.2
3.45
2.0
3.1
Ω
V
A
Normal Operation
Soft Start, V I / O ≤ 2.5V
Minimum Voltage Allowable on V SWITCH Pin
T J = 25 ° C to 100 ° C
I LIMIT ( OP )
I LIMIT ( SOFT )
V VSWITCH ( MIN )
1.9
1.0
-0.5
2.4
–
–
2.9
1.9
–
V
LINEAR REGULATOR (VCORE, MODE 1, 2, 3, 4)
Supply Voltage (I VCORE = 5.0mA) (11)
V CORE ( NOM )
V
Mode2=Low, Mode1=Don’t Care, Mode0=Low
Mode2=Low, Mode1=Don’t Care, Mode0=Open
Mode2=Open, Mode1=Don’t Care, Mode0=Low
Mode2=Open, Mode1=Don’t Care, Mode0=Open
Supply Voltage (I VCORE = 500mA) (11)
Mode2=Low, Mode1=Don’t Care, Mode0=Low
Mode2=Low, Mode1=Don’t Care, Mode0=Open
Mode2=Open, Mode1=Don’t Care, Mode0=Low
Mode2=Open, Mode1=Don’t Care, Mode0=Open
V CORE Dropout Voltage
V CORE = V CORE ( NOM ), I VCORE = 0.5A
Normal Current Limit Threshold
T J = 25°C to 100°C, V LINB + = V CORE ( NOM ) + 1.0V
V CORE ( NOM )
I VCORE ( DROPOUT )
I LIMIT
3.15
2.45
1.7
1.425
3.0
2.2
1.55
1.33
–
600
3.3
2.5
1.8
1.5
–
–
–
–
0.5
800
3.45
2.75
2.05
1.575
3.4
2.6
1.9
1.53
0.8
1000
V
V
mA
Notes
34710
Analog Integrated Circuit Device Data
6
Freescale Semiconductor
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