gm7110 Gamma Microelectronics, gm7110 Datasheet - Page 7

• Manufacturer Part Number: gm7110
• Description: Gm7110 1a Step-down Voltage Switching Regulator
• Manufacturer: Gamma Microelectronics

Typical Performance Characteristics
Unregulated
7V - 40V
DC Input
1.2
1.0
0.8
0.6
0.4
0
Figure 2. Switch Saturation Voltage
MICROELECTRONICS
Figure 1(b).Adjustable Output Voltage Versions
T = - 25°C
T = 150°C
J
J
A
0.2
T = - 55°C
SWITCH CURRENT (A)
J
+
100 µF
C
0.4
IN
+V
A
GND 3
IN
1
where V
0.6
GM7110-ADJ
REF
ON/ OFF
V
0.8
= 1.23V, R1 between 1k and 5k.
OUT
R2 = R1 (
= V
1A STEP-DOWN VOLTAGE SWITCHING REGULATOR
1.0
REF
5
( 1 +
V
V
Feedback
4
Output
2
OUT
REF
Power Management
R2
R1
-1)
2.0
1.5
1.0
0.5
-75 -50 -25
0
)
D1
MBR360
330 µH
L1
JUNCTION TEMPERATURE (°C)
Figure 3. Dropout Voltage
I
LOAD
I
LOAD
+
C
330 µF
= 1A
OUT
0
= 200mA
25
50
75 100 125 150
DV
R
IND
OUT
R2
R1
V
GM7110
= 0.2W
OUT
= 5%
=5.0V
O
A
D
L
7