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參數(shù)資料
| 型號(hào)： | MIC4807BN |
| 廠商： | MICREL INC |
| 元件分類： | 外設(shè)及接口 |
| 英文描述： | 80V 8-Channel Addressable Low-Side Driver |
| 中文描述： | 0.19 A 8 CHANNEL, ADDR LATCH BASED PRPHL DRVR, PDIP18 |
| 封裝： | PLASTIC, DIP-18 |
| 文件頁(yè)數(shù)： | 2/8頁(yè) |
| 文件大?。?/td> | 103K |
| 代理商： | MIC4807BN |
MIC4807
General Description
(Continued)
turned on simultaneously, Gray Code address sequencing
can be applied to Ain, Bin, Cin, while Data-in is held high and
CS is held low. Data-in will be transferred to each address in
turn, without the need to toggle CS. Similarly, a set of outputs
could be simultaneously turned off by setting Data-in low.
Gray Code ensures that no intermediate addresses are
inadvertently accessed. A typical Gray Code is 0, 1, 3, 2, 6,
7, 5, 4.
Each output drive circuit has a high-voltage, power DMOS
device configured as a transconductance loop. This loop
limits the output current to typically 200mA. While current
limiting keeps the output device within its allowable safe-
operating area (SOA), the power dissipation may be exces-
sive. Long-term survival is guaranteed by thermal shutdown.
Micrel
7-4
October 1998
Electrical Characteristics:
(Note 6) MIC4807BN, T
A
= 25
°
C, V
DD
= 15V unless otherwise specified (see
Test Circuit).
Symbol
Parameter
Conditions
Min
Typ
Max
Units
V
DD
Supply Voltage
4.5
16
V
I
DD
Supply Current
OE = L (Note 3)
OE = H (Note 4)
5.5
1.5
10
3
mA
mA
V
IN
(0)
Logic Input Voltage
4.5V
≤
V
DD
≤
16V
0.8
V
V
IN
(1)
2.0
V
I
IN
(0)
Logic Input Current for A
IN
,
B
IN
, C
IN
, and Data-in
V
IN
= 0V
–150
–70
–25
μ
A
I
IN
(1)
Logic Input Current for CS,
OE, and Clear
V
IN
= V
DD
25
130
250
μ
A
I
OUT
Output Leakage Current
OE = 0V, V
OUT
= 80V
1
10
μ
A
R
ON
Output "ON" Resistance
Output is ON, V
OUT
= 0.7V,V
DD
= 10V
5.1
7
I
SC
Short Circuit Current
Output is ON< V
OUT
= 50V
10V
≤
V
DD
≤
15V (Note 5)
140
190
250
mA
V
OUT
Output Voltage (OFF)
80
V
V
OUT
Output Voltage (ON)
I
OUT
= 50mA,V
DD
= 10V
I
OUT
= 100mA, V
DD
= 10V
0.26
0.51
0.35
0.7
V
V
Data and Address
Set-up Time
V
DD
= 10V for all timing tests
(A, see
Timing Diagram
)
400
ns
Data and Address
Hold Time
(B)
50
ns
CS Pulse Width
(C)
500
ns
Turn-on Delay
(D)
2.5
ns
When operated below current limit, the outputs appear as
small-valued resistors (typically 5.1
at 25
°
C) connected to
ground. The "ON" resistance (R
ON
) has a strong, positive
temperature coefficient (approximately 7500 ppm/
°
C) which
promotes current sharing if two or more outputs are paral-
leled.
Absolute Maximum Ratings
(Notes 1, 2 and 3)
Output Voltage (V
OUT
, OFF)
Supply Voltage (V
DD
)
Logic Input Voltage (V
IN
)
Continuous Output Current (I
OUT
)
Power Dissipation (P
D
, Note 2)
Ambient Temperature (T
A
):
Maximum Junction Temperature (T
JMAX
)
Storage Temperature
θ
JA
- Plastic DIP
100V
16.5V
–0.3V TO V
DD
+ 0.3
Internally Limited
Internally Limited
–40
°
C to +85
°
C
150
°
C
–65
°
C to +150
°
C
130
°
C/W
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