ldr2533 STMicroelectronics, ldr2533 Datasheet - Page 2

• Manufacturer Part Number: ldr2533
• Description: Very Low Drop Dual Voltage Regulator
• Manufacturer: STMicroelectronics

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Table 1: Absolute Maximum Ratings
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
Figure 2: Connection Diagram (top view)
Table 3: Pin Description
Table 4: Order Codes
2/13
V
Symbol
Symbol
Symbol
R
I1
1.8 V
1.8 V
2.5 V
2.5 V
3.3 V
3.3 V
P
T
V
V
GND
V
INH
N.C.
THJ-C
V
V
STG
T
TOT
V
V
I
INH1
INH2
& V
O1
O
A
O1
O2
I1
I2
I2
DC Input Voltage
Shutdown Voltage
Output Current
Power Dissipation
Storage Temperature Range
Operating Ambient Temperature Range
Junction to case thermal resistance
2.5 V
3.3 V
1.8 V
3.3 V
1.8 V
2.5 V
Pin N° for
V
O2
PPAK
3
2
1
4
5
Parameter
Pin N° for
PPAK
SPAK-7L
LDR1825
LDR1833
LDR2518
LDR2533
LDR3318
LDR3325
TYPE
4
2
1
3
5
6
7
Parameter
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 V
Enable 2 Pin. Internally connected to V
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
LDR1825K7-R
LDR1833K7-R
LDR2518K7-R
LDR2533K7-R
LDR3318K7-R
LDR3325K7-R
SPAK-7L
PPAK
8
Name and Function
PART NUMBERS
SPAK-7L
Internally Limited
Internally Limited
SPAK-7L
I1
I2
-50 to +150
-40 to +125
in the PPAK version
in the PPAK version
-0.3 to 15
-0.3 to 15
2
Value
LDR1825PT-R
LDR1833PT-R
LDR2518PT-R
LDR2533PT-R
LDR3318PT-R
LDR3325PT-R
PPAK
°C/W
Unit
Unit
°C
°C
V
V