78ST133VC

更新时间： 2024-11-22 22:37:11

品牌	Logo	应用领域
德州仪器 - TI		稳压器开关
页数	文件大小	规格书
6页	236K
描述
1.5 AMP POSITIVE STEP-DOWN INTEGRATED SWITCHING REGULATOR

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78ST133VC 数据手册

For assistance or to order, call (800) 531-5782

7 8 S T 1 0 0 S e r i e s

1.5 AMP POSITIVE STEP-DOWN

INTEGRATED SWITCHING REGULATOR

Revised 6/30/98

• Very Small Footprint

The 78ST100 is a series of wide input

• High Efficiency > 85%

• Self-Contained Inductor

• Internal Short-Circuit Protection

• Over-Temperature Protection

• Fast Transient Response

• Wide Input Range

voltage, 3-terminal Integrated Switching

Regulators (ISRs). These ISRs have a maxi-

mum output current of 1.5A and an output

voltage that is laser trimmed to a variety of

industry standard voltages.

These 78 series regulators have excellent

line and load regulation with internal short-

circuit and over-temperature protection, are

very flexible, and may be used in a wide

variety of applications.

Pin-Out Information

Ordering Information

78ST1

XX Y

Pin Function

V_in

Output Voltage

Package Suffix

GND

V_out

Standard Application

33 = 3.3 Volts

36 = 3.6 Volts

05 = 5.0 Volts

51 = 5.1 Volts

65 = 6.5 Volts

07 = 7.0 Volts

08 = 8.0 Volts

09 = 9.0 Volts

12 = 12.0 Volts

V = Vertical Mount

S = Surface Mount

H = Horizontal

Mount

Vin

Vout

GND

78ST100

GND

C1 = Optional 1µF ceramic

C2 = Required 100µF electrolytic

Pkg Style 500

Specifications

78ST100 SERIES

Characteristics

(T_a= 25°C unless noted)

Symbols

I_o

Conditions

Min

0.1*

—

Typ

—

Max

Units

Output Current

Over V_inrange

V_in= V_inmin

0.1 ≤ I_o≤ 1.5A

1.5

—

Short Circuit Current

Input Voltage Range

I_sc

3.5

Apk

V_in

V_o= 3.3V

V_o= 5V

V_o= 12V

—

14.5

Output Voltage Tolerance

∆V_o

Over V_inrange, I_o=1.5A

T_a= 0°C to +60°C

—

±1.0

±2.0

Line Regulation

Load Regulation

V_oRipple/Noise

Reg_line

Reg_load

V_n

Over V_inrange

—

±0.2

±0.1

±0.4

±0.2

—

0.1 ≤ I_o≤ 1.5A

V_in= 9V, I_o= 1.5A

V_in= 16V, I_o= 1.5A

V_o= 5V

V_o= 12V

mV_pp

Transient Response

t_tr

50% load change

—

100

—

µSec

(with 100µF output cap)

V_oover/undershoot

Efficiency

V_in= 10V, I_o= 1A

V_in= 17V, I_o= 1A

V_o= 3.3V

V_o= 5V

—

V_o= 12V

Switching Frequency

ƒ_o

Over V_inrange, I_o=1.5A

—

600

650

700

kHz

Absolute Maximum

Operating Temperature Range

T_a

-40

—

+85

°C

Recommended Operating

Temperature Range

T_a

Free Air Convection, (40-60LFM)

At V_in= 24V, I_o=1.0A

-40

—

+80**

°C

Thermal Resistance

Storage Temperature

Mechanical Shock

θ_ja

T_s

—

Free Air Convection, (40-60LFM)

—

°C/W

°C

-40

—

+125

—

Per Mil-STD-883D, Method 2002.3

500

G’s

Mechanical Vibration

Per Mil-STD-883D, Method 2007.2,

20-2000 Hz, soldered in a PC board

—

G’s

Weight

—

6.5

—

grams

*ISR will operate down to no load with reduced specifications.

**See Thermal Derating chart.

Note: The 78ST100 Series requires a 100µF electrolytic or tantalum output capacitor for proper operation in all applications.

Power Trends, Inc. 27715 Diehl Road, Warrenville, IL 60555 (800) 531-5782 Fax: (630) 393-6902 http://www.powertrends.com

12 3 4 5 6

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与78ST133VC相关器件

型号	品牌	获取价格	描述	数据表
78ST136	TI	获取价格	1.5 AMP POSITIVE STEP-DOWN INTEGRATED SWITCHING REGULATOR
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78ST151SCT	TI	获取价格	1.5 AMP POSITIVE STEP-DOWN INTEGRATED SWITCHING REGULATOR
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