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| 型號： | SG29125A |
| 廠商： | Microsemi Corporation |
| 英文描述： | LOW DROPOUT DUAL REGULATOR |
| 中文描述： | 低壓差型雙調(diào)節(jié)器 |
| 文件頁數(shù)： | 2/4頁 |
| 文件大小： | 41K |
| 代理商： | SG29125A |
SG29125/125A
12/90 Rev 1.1 2/94
Copyright
1994
L
IN
F
IN
ITY
Microelectronics Inc.
11861 Western Avenue
∞
∞
Garden Grove, CA 92841
(714) 898-8121
∞
FAX: (714) 893-2570
2
ABSOLUTE MAXIMUM RATINGS
Note 1. Exceeding these values may destroy this part.
Input Voltage (V
IN
) Operating ..............................................
Input Voltage (V
) Overvoltage Transient ..............
ON/OFF Switch .......................................................
26V
-15V to 60V
-0.3V to V
IN
-65
°
C to 150
°
C
150
°
C
Storage Temperature Range (T
) ..................
Operating Junction Temperature (T
J
) ..............................
P Package:
Thermal Resistance-
Junction to Case
,
θ
JT
................ 4.0°C/W
*
Thermal Resistance-
Junction to Ambient
,
θ
JA
.............. 55°C/W
*
=
θ
JT
(Junction to Tab)
THERMAL DATA
Note A. Junction Temperature Calculation: T
= T
+ (P
x
θ
).
Note B. The above numbers for
θ
are maximums for the limiting
thermal resistance of the package in a standard mount-
ing configuration. The
θ
numbers are meant to be
guidelines for the thermal performance of the device/pc-
board system. All of the above assume no ambient
airflow.
-15V max.
-50V max.
10
μ
F min.
-40
°
C to 85
°
C
ELECTRICAL CHARACTERISTICS
(Unless otherwise specified, these specifications apply for the operating ambient temperature of
T
= 25°C, V
= 14V, I
= 500mA for V
and 10mA for V
and are for DC characteristics only. Low duty cycle pulse testing techniques are used which
maintains junction and case temperatures equal to the ambient temperature.)
Units
V
V
mV
mV
mV
m
mA
mA
mA
mA
μ
V
mV/1000hr
dB
V
V
A
V
V
μ
A
μ
A
Test Conditions
Parameter
Voltage Output (V
OUT
) Section
Output Voltage
(Note 4)
13V
≤
V
≤
26V, I
O
≤
1000mA, -40
°
C
≤
T
A
≤
85
°
C
SG29125
SG29125A
13V
≤
V
IN
≤
16V, I
O
= 5mA
13V
≤
V
IN
≤
26V, I
= 5mA
5mA
≤
I
O
≤
1000mA
500mA
and 10mA
, 100Hz - 10kHz
I
O
≤
10mA, No Load on Standby
I
O
= 500mA, No Load on Standby
I
O
= 750mA, No Load on Standby
I
= 220mA, I
= 10mA, V
IN
= V
OUT
- 200mV
10Hz - 100kHz
F
O
= 120Hz
I
O
= 500mA
I
O
=1000mA
Double Battery
V
O
≤
13V
I
O
= 10mA, Pin 4 = 2.4V
I
O
= 10mA, Pin 4 = 0.4V
SG29125/125A
Min.
Typ.
Max.
11.2
11.75
.0.7
1.0
26.5
60
-10
12
12
4
10
10
200
2
40
90
15
100
20
66
0.45
1.8
31
70
12.8
12.25
25
50
50
100
25
0.6
1.2
2.5
10
Line Regulation
Load Regulation
Output Impedance
Quiescent Current
Output Noise Voltage
Long Term Stability
Ripple Rejection
Dropout Voltage
Current Limit
Maximum Operational Input Voltage
Maximum Line Transient
ON/OFF Switch (I
IH
)
ON/OFF Switch (I
IL
)
RECOMMENDED OPERATING CONDITIONS
(Note 2 & 3)
Input Voltage (V
) .....................................................
ON/OFF Threshold Voltage
Low Level, V
IL
(V
OUT
is OFF) ..................................
High Level, V
IH
(V
is ON) ....................................
Load Current V
(with adequate heatsinking) .....
Maximum Line Transient (Load Dump) V
≤
6V .......
Input Capacitor (V
IN
to GND) ...................................
13V to 26V
0.8V max.
2.0V min.
5 to 1000mA
60V max.
0.1
μ
F min.
Reverse Polarity D.C. Input Voltage (V
)
(V
≥
-0.6V, 16
load) ...........................................
Reverse Polarity Transient Input Voltage (V
IN
)
(1% duty cycle, T
≤
100ms, V
O
≥
-9V, 16
load) ...
Output Capacitor with ESR of 1
max.
(V
to GND & V
to GND) ...................................
Operating Ambient Temperature Range (T
)
SG29125/125A ...............................................
Note 2. Range over which the device is functional.
Note 3. During 60V load dump, V
SB
shall not be less than 4.75V at I
OUT
= 10mA.
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