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參數(shù)資料
| 型號： | AN8049SH |
| 廠商： | PANASONIC CORP |
| 元件分類： | 模擬信號調(diào)理 |
| 英文描述： | Dual 14-Bit nanoDAC® with 5 ppm/°C On-Chip Reference; Package: MSOP; No of Pins: 10; Temperature Range: Automotive |
| 中文描述： | SPECIALTY ANALOG CIRCUIT, PDSO24 |
| 封裝： | 0.300 INCH, PLASTIC, SSOP-24 |
| 文件頁數(shù)： | 10/23頁 |
| 文件大小： | 170K |
| 代理商： | AN8049SH |
AN8049FHN
Voltage Regulators
10
Pin No.
Equivalent circuit
Description
I/O
20
FB2:
Output from the error amplifier 2.
This circuit can provide a source
current of
31
μ
A or a sink current of
0.5 mA (minimum).
O
21
IN
1:
Inverting input to the error amplifier 1.
I
22
FB1:
Output from the error amplifier 1.
This circuit can provide a source
current of
31
μ
A or a sink current of
0.5 mA (minimum).
O
23
S.C.P.:
Connection for the capacitor that sets
the timer latch short-circuit protection
circuit time constant. Use a capacitor
with a value of 1 000 pF or higher.
The charge current I
CHG
is 1.1
μ
A
typical.
O
24
DT3:
Sets the channel 3 soft start time.
Set the time by connecting a capacitor
between this pin and ground. Note that
although the channel 3 maximum on duty
is set internally to 86%, the maximum
on duty can be set to a value of 86% or
less by inserting a resistor between this
pin and ground, and can be set to a value
of 86% or more by inserting a resistor
between this pin and the V
REF
pin.
I
I
Terminal Equivalent Circuit (continued)
31
μ
A
OSC
0.5 mA
min.
V
CC
1.26 V
PWM2
20
19
1.26 V
V
CC
Latch
S
1.1
μ
A
1.5 k
Output
shutoff
23
50 k
50 k
PWM3
24
7 18 15
31
μ
A
OSC
V
CC
1.26 V
PWM1
21
22
0.5 mA
min.
1.26 V
1.5 k
14
21
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