gsc2596m E-Tech Electronics LTD, gsc2596m Datasheet - Page 2

• Manufacturer Part Number: gsc2596m
• Description: 150 Khz, 2a Pwm Step-down Dc/dc Converter
• Manufacturer: E-Tech Electronics LTD

Pin Function
Pin Name
V
Output
Feedback(FB)
ON/OFF(SD)
Ground
Absolute Maximum Ratings
Supply Voltage
ON/OFF Pin Input Voltage
Feedback Pin Voltage
Output Voltage to ground
Power Dissipation
Storage Temperature
Operating temperature
Operating Voltage
GSC2596M Electrical Characteristics
Specifications in boldface type are for full operating temperature range. The other type are for T
Output Feedback
Efficiency
GSC2596M-33 Electrical Characteristics
Specifications in boldface type are for full operating temperature range. The other type are for T
Output Feedback
Efficiency
GSC2596M-50 Electrical Characteristics
Specifications in boldface type are for full operating temperature range. The other type are for T
Output Feedback
Efficiency
GSC2596M-12 Electrical Characteristics
Specifications in boldface type are for full operating temperature range. The other type are for T
Output Feedback
Efficiency
GSC2596M
IN
Parameter
Parameter
Parameter
Parameter
Parameter
5,6,7,8
Pin#
1
2
3
4
Symbol
Symbol
Symbol
Symbol
V
V
V
V
FB
FB
FB
FB
This is the positive input supply for the IC switching regulator. A suitable input bypass capacitor
must be present at this pin to minimize voltage transients and to supply the switching current
needed by regulator.
Internal switch. The voltage at this pin switches between (+V
with a duty cycle of approximately V
board copper area connected to this pin should be keep to a minimum.
Senses the regulated output voltage to complete the feedback loop
Allows the switching regulator circuit to be shutdown using logic level signals. Thus drop the total
input supply current to approximately 150 A. Pulling this pin below a threshold voltage of
approximately 1.3V turns the regulator on, and pulling this pin above 1.3V (up to a maximum of
18V) shuts the regulator down. If this shutdown feature is not needed, ON/OFF pin can be wired to
the ground pin.
Circuit ground
5 V
V
V
5.5V
0.2A I
V
8V
0.2A I
V
15V
0.2A I
V
OUT
IN
IN
IN
IN
=12V, I
=12V, I
=12V, I
=16V, I
IN
=3V
V
V
IN
V
LOAD
LOAD
LOAD
IN
IN
22V, 0.2A I
Conditions
LOAD
Conditions
LOAD
Conditions
LOAD
Conditions
LOAD
22V
22V
22V
2A
2A
=2A, V
2A
=2A
=2A
=2A
LOAD
Symbol
OUT
V
V
V
V
T
V
T
P
OUT
CC
OP
OP
SD
ST
FB
D
=3V
OUT
2A
/V
Function
IN
. To minimize coupling to sensitive circuitry, the PC
1.180/1.168
3.168/3.135
11.52/11.40
4.80/4.75
Min
Min
Min
Min
Internally Limited
-65 ~ +150
-40 ~ +125
+4.5 ~ +22
-0.3 ~ +18
-0.3 ~ +18
Ratings
J
J
J
J
=25 : .
=25 : .
=25 : .
=25 : .
IN
24
-1
1.230
Typ
Typ
Typ
Typ
- V
3.3
5.0
76
78
83
12
90
.
SAT
ISSUED DATE :2006/03/08
REVISED DATE :2006/05/17B
) and approximately -0.5V,
1.280/1.292
3.432/3.465
12.48/12.60
5.20/5.25
Max
Max
Max
Max
Page: 2/6
Unit
W
V
V
V
V
V
:
:
Unit
Unit
Unit
Unit
%
%
%
%
V
V
V
V