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LDR3325PT-R

VERY LOW DROP DUAL VOLTAGE REGULATOR

STMicroelectronics 

LDRxxyy

Table 1: Absolute Maximum Ratings

Symbol

VI1 & VI2

INH

IO

PTOT

TSTG

TA

Parameter

DC Input Voltage

Shutdown Voltage

Output Current

Power Dissipation

Storage Temperature Range

Operating Ambient Temperature Range

Value

Unit

-0.3 to 15

V

-0.3 to 15

V

Internally Limited

Internally Limited

-50 to +150

°C

-40 to +125

°C

Absolute Maximum Rating are those values beyond which damage to the device may occur. Functional operation under these conditions is

not implied.

Table 2: Thermal Data

Symbol

Parameter

RTHJ-C Junction to case thermal resistance

Figure 2: Connection Diagram (top view)

PPAK

8

SPAK-7L

2

Unit

°C/W

PPAK

SPAK-7L

Table 3: Pin Description

Symbol

GND

VI1

VI2

VINH1

VINH2

VO1

VO2

N.C.

Pin N° for

PPAK

3

2

1

4

5

Table 4: Order Codes

Pin N° for

SPAK-7L

4

2

1

3

5

6

7

Name and Function

Ground pin

Input 1 Supply Pin. Bypass with a 2.2µF capacitor to GND

Input 2 Supply Pin. Bypass with a 2.2µF capacitor to GND

Enable 1 Pin. Internally connected to VI1 in the PPAK version

Enable 2 Pin. Internally connected to VI2 in the PPAK version

Output 1 Pin. Bypass with a 4.7µF capacitor to GND Port

Output 2 Pin. Bypass with a 4.7µF capacitor to GND Port

Not Internally Connected

VO1

1.8 V

1.8 V

2.5 V

2.5 V

3.3 V

3.3 V

2/13

VO2

2.5 V

3.3 V

1.8 V

3.3 V

1.8 V

2.5 V

TYPE

LDR1825

LDR1833

LDR2518

LDR2533

LDR3318

LDR3325

PART NUMBERS

SPAK-7L

LDR1825K7-R

LDR1833K7-R

LDR2518K7-R

LDR2533K7-R

LDR3318K7-R

LDR3325K7-R

PPAK

LDR1825PT-R

LDR1833PT-R

LDR2518PT-R

LDR2533PT-R

LDR3318PT-R

LDR3325PT-R

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