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参数资料
| 型号： | PC34710EW |
| 厂商： | MOTOROLA INC |
| 元件分类： | 稳压器 |
| 英文描述： | Adjustable Dual Output Switching Power Supply |
| 中文描述： | 1.2 A SWITCHING REGULATOR, 260 kHz SWITCHING FREQ-MAX, PDSO32 |
| 封装： | LEAD FREE, PLASTIC, SOIC-32 |
| 文件页数： | 7/16页 |
| 文件大小： | 518K |
| 代理商： | PC34710EW |
MOTOROLA ANALOG INTEGRATED CIRCUIT DEVICE DATA
34710
7
MODE TERMINALS OPERATING VOLTAGES
MODE Control Terminals Low Voltage
T
J
= 0°C to TBD°C, V
B
+
= 12 V to 32 V
V
IL
(
MODE
n)
–
–
0.825
V
MODE Control Terminals High Voltage
T
J
= 0°C to TBD°C, V
B
+
= 12 V to 32 V
V
IH
(
MODE
n)
2.6
–
–
V
MODE Control Terminals Voltage with Input Floating
T
J
= 0°C to TBD°C, V
B
+
= 12 V to 14 V
T
J
= 0°C to TBD°C, V
B
+
= 14 V to 32 V
V
MODE
(
FLOAT
)
7.0
8.0
–
–
12
13.2
V
SUPERVISOR CIRCUITRY
Minimum Function V
B
+
for Charge Pump and Oscillator Running
V
B
+
(
MIN
)
9.0
–
–
V
Minimum V
B
+
for RST Assertion, V
B
+
Rising
V
B+
(
ASSERT
)
2.0
–
–
V
RST
Low Voltage
V
B
+
= 2.0 V, I
RST
≤
5.0 mA
V
OL
–
–
0.4
V
RST
V
I/O
Threshold
V
I/O
Rising
V
I/O
Falling
V
I/O
t+
V
I/O
t
-
–
V
I/O
(
NOM
)
-
225 mV
–
–
V
I/O
(
NOM
)
-
80 mV
–
V
RST
Hysteresis for V
I/O
V
HYSVI/O
10
–
100
mV
RST
V
CORE
Threshold
V
CORE
Rising
V
CORE
Falling
V
CORE
t+
V
CORE
t
-
–
V
CORE
(
NOM
)
-
225 mV
–
–
V
CORE
(
NOM
)
-
80 mV
–
V
RST
Hysteresis for V
CORE
V
B
+
= 12 V to 32 V
V
HYS CORE
10
–
100
mV
V
CORE
-
V
I/O
for V
CORE
Shutdown
V
B
+
= 12 V to 32 V
V
CORE
(
SHUTDOWN
)
–
–
TBD
V
Thermal Shutdown Temperature
T
J
Rising
TJ(
TSD
)
170
–
–
°
C
Overtemperature Hysteresis
T
J
(
HYSTERESIS
)
20
–
TBD
°
C
V
b
CHARGE PUMP
Boost Voltage (Note 11)
V
B
+
= 12 V to 32 V, I
vb
= 0.5 mA
V
b
V
B
+
+10 V
–
V
B
+
+12 V
V
Notes
11.
Bulk capacitor ESR
≤
10
.
STATIC ELECTRICAL CHARACTERISTICS (continued)
Characteristics noted under conditions 4.75 V
≤
V
IO
≤
5.25 V, 12 V
≤
V
B
+
≤
32 V, 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
F
Freescale Semiconductor, Inc.
Go to: www.freescale.com
n
.
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