ZXRE252ASA-7 Diodes Inc. / Zetex, ZXRE252ASA-7 Datasheet - Page 6

• Manufacturer Part Number: ZXRE252ASA-7
• Description: Voltage & Current References Shunt Regulator
• Manufacturer: Diodes Inc. / Zetex

Specifications of ZXRE252ASA-7

• Rohs: yes
• Product: Voltage References
• Topology: Shunt References
• Output Voltage: 2.5 V to 36 V
• Initial Accuracy: 1 %
• Average Temperature Coefficient (typ): 34 PPM/ C
• Shunt Current (max): 100 mA
• Maximum Operating Temperature: + 125 C
• Package / Case: SOT23
• Input Voltage: 36 V
• Minimum Operating Temperature: - 40 C
• Mounting Style: SMD/SMT
• Reference Type: Fixed/Precision
• Series Vref - Input Voltage (max): 2.52 V
• Series Vref - Input Voltage (min): 2.47 V
• Series Vref - Supply Current (max): 4 uA
• Shunt Current (min): 0.065 mA

Typical Performance Characteristics
ZXRE250/ZXRE252
Document number: DS35228 Rev. 3 - 2
0.50
0.45
0.40
0.35
0.30
0.25
0.20
0.15
0.10
0.05
0.00
400
380
360
340
320
300
280
260
240
220
200
-75
10
Off-State Cathode Current vs. Free Air Temperature
V
V
Equivalent Input Noise Voltage vs. Frequency
KA
REF
I
V
T = 25°C
-50
KA
A
KA
= 36V
= 10mA
= 0
= V
REF
-25
T Free Air Temperature ( C)
100
A
f- Frequency (Hz)
0
25
1K
50
°
10K
75
100 125
(cont.)
www.diodes.com
100K
VERY LOW CATHODE CURRENT ADJUSTABLE
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-0.2
-0.3
-0.4
-0.5
-0.6
-0.7
-0.8
-0.9
-1.0
-50
Ratio of Delta Reference Voltage to Delta Cathode
PRECISION SHUNT REGULATOR
-25
ZXRE250/ZXRE252
Voltage vs. Free Air Temperature
T Free Air Temperature (C)
A
0
25
50
V
75
KA
© Diodes Incorporated
= 3V t o 36V
100
May 2011
125