Datasheet

KSD-I0O004-001
2
S79xxPI
Absolute Maximum Ratings Ta=25°C
Characteristic Symbol Ratings Unit
Operating Input Voltage V
IN
-35 V
Power Dissipation (Tc=25℃)
P
D
20.8 W
Power Dissipation (without Heatsink) P
D
2.0 W
Operating Temperature Range T
opr
-40 ~ 85
°C
Junction Temperature T
J
150
°C
Storage Temperature Range T
STG
-55 ~ 150
°C
Electrical Characteristics
(T
J
= 0 to 125℃, Vin= -10V, Iout=500mA, unless otherwise specified.)
S7905PI
Characteristic Symbol Test Condition
*
Min. Typ. Max.
Unit
T
j
=25℃
-5.20 -5.0 -4.80
Output Voltage
**
V
OUT
I
OUT
=5mA ~ 1A, V
IN
=-20V ~ -7.0V -5.25 -5.0 -4.75
V
V
IN
=-25V ~ -7.0V - 12.5 50
Line Regulation ÌV
OUT
V
IN
=-12V ~ -8.0V
T
j
=25℃
- 4 15
mV
I
OUT
=5mA ~ 1.0A - 15 100
Load Regulation ÌV
OUT
I
OUT
=250mA ~ 750mA
T
j
=25℃
- 5 50
mV
Quiescent Current I
B
T
j
=25℃
- 1.5 2.0 mA
V
IN
= -25V ~ -7.0V
- 0.15 0.5
Quiescent Current Change ÌI
B
I
OUT
= 5mA ~ 1A - 0.08 0.5
mA
Output Noise Voltage V
N
f=10Hz ~ 100KHz
T
j
=25℃
- 125 - uV
rms
Ripple Rejection Ratio RR
f=120Hz, V
IN
=-18V ~ -8.0V
54 60 - dB
Dropout Voltage V
D
I
OUT
=1A
T
j
=25℃
- 2.0 - V
Temperature Coefficient of
Output Voltage Drift
T
CVO
I
OUT
=5mA - -0.4 -
mV/
°C
Peak Output Current I
PK
T
j
=25℃
- 2.1 - A
＊Pulse testing techniques are used to maintain the junction temperature as close to the ambient
temperature as possible. Thermal effects must be taken into separately.
** This specification applies only for dc power dissipation permitted by absolute maximum ratings.