gsc2596m E-Tech Electronics LTD, gsc2596m Datasheet

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gsc2596m

Manufacturer Part Number
gsc2596m
Description
150 Khz, 2a Pwm Step-down Dc/dc Converter
Manufacturer
E-Tech Electronics LTD
Datasheet
G
Description
The GSC2596M series of regulators are monolithic integrated circuit that provides all active functions for a step-down (buck) switching
regulator, capable of driving 2A load with excellent line and load regulation. These devices are available in fixed output voltages of 3.3v, 5v,
12v and an adjustable output version. The GSC2596M series operate at a switching frequency of 150 kHz; thus allowing smaller sized
filter components than what would be needed with lower frequency switching regulators. The chips are available in a standard 8-lead
SOP-8 package. Other feature include a guaranteed D 4% to tolerance on output voltage under specified input voltages and output load
conditions. The 150 kHz D 15% is on the oscillator frequency. External shutdown is included, featuring 80uA (Typ.) standby current. The
output switch includes cycle-by cycle current limiting, as well as thermal shutdown for full protection under fault conditions.
Features
Applications
Package Dimensions
Block Diagram
GSC2596M
G
& Guaranteed 2A output current
& Operating voltage can be up to 22V
& 150kHz fixed frequency internal oscillator
& Built-in TTL On/Off control
& TTL Shutdown Capability
& Uses readily available standard inductors
& Thermal shutdown and current limit protection
& One-ch switching regulators simple
& Positive to negative converter
&
&
3.3V, 5.0V, 12V and adjustable output versions
High-efficiency step-down regulator
S
S
C
C
2
2
5
5
9
9
6
6
M
M
150 KHz, 2A PWM Step-Down DC/DC Converter
REF.
C
D
A
B
E
F
Min.
5.80
4.80
3.80
0.40
0.19
Millimeter
Max.
6.20
5.00
4.00
0.90
0.25
REF.
M
H
K
G
L
J
ISSUED DATE :2006/03/08
REVISED DATE :2006/05/17B
Min.
0.10
0.35
1.35
Millimeter
0.375 REF.
1.27 TYP.
Page: 1/6
45°
Max.
0.25
0.49
1.75

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gsc2596m Summary of contents

Page 1

... These devices are available in fixed output voltages of 3.3v, 5v, 12v and an adjustable output version. The GSC2596M series operate at a switching frequency of 150 kHz; thus allowing smaller sized filter components than what would be needed with lower frequency switching regulators. The chips are available in a standard 8-lead SOP-8 package ...

Page 2

... Specifications in boldface type are for full operating temperature range. The other type are for T Parameter Symbol Output Feedback V FB Efficiency GSC2596M-12 Electrical Characteristics Specifications in boldface type are for full operating temperature range. The other type are for T Parameter Symbol Output Feedback V FB ...

Page 3

... The GSC2596M junction temperature rises above ambient temperature with a 2A load and different input and output voltages. The data for these curves was taken with the GSC2596M operating as a buck-switching regulator in an ambient temperature (still air). These temperature rise numbers are all approximate and there are many factors that can affect these temperatures ...

Page 4

... Typical Application Circuit (1)Fixed Type Circuit (2)Adjustable Type Circuit (3)Delay Start Circuit GSC2596M ISSUED DATE :2006/03/08 REVISED DATE :2006/05/17B Page: 4/6 ...

Page 5

... Typical Performance Characteristics GSC2596M ISSUED DATE :2006/03/08 REVISED DATE :2006/05/17B Page: 5/6 ...

Page 6

... Head Office And Factory: Taiwan: No. 17-1 Tatung Rd. Fu Kou Hsin-Chu Industrial Park, Hsin-Chu, Taiwan TEL : 886-3-597-7061 FAX : 886-3-597-9220, 597-0785 China: (201203) No.255, Jang-Jiang Tsai-Lueng RD. , Pu-Dung-Hsin District, Shang-Hai City, China TEL : 86-21-5895-7671 ~ 4 FAX : 86-21-38950165 GSC2596M ISSUED DATE :2006/03/08 REVISED DATE :2006/05/17B Page: 6/6 ...

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