SRDB-20E33HR Bel Fuse Inc, SRDB-20E33HR Datasheet - Page 3

• Manufacturer Part Number: SRDB-20E33HR
• Description: CONV DC/DC 20A 3.3V OUT SMD
• Manufacturer: Bel Fuse Inc
• Series: SRDB-20ExxHr
• Type: Point of Load (POL) Non-Isolated with Remote On/Off and UVLOr

Specifications of SRDB-20E33HR

• Output: 3.3V
• Number Of Outputs: 1
• Power (watts): 66W
• Mounting Type: Surface Mount
• Voltage - Input: 5.8 ~ 13.2V
• Package / Case: 12-DIP SMD Module
• 1st Output: 3.3 VDC @ 20A
• Size / Dimension: 1.22" L x 0.83" W x 0.35" H (30.99mm x 21mm x 8.76mm)
• Power (watts) - Rated: 66W
• Operating Temperature: -40°C ~ 85°C
• Efficiency: 92%
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• 3rd Output: -
• 2nd Output: -

Output Specifications (continued)
Notes: All specifications are typical at full load at 25
Output Current
Current Limit Threshold
Short Circuit Surge Transient
Ripple and Noise
Ripple and Noise
Ripple and Noise
Ripple and Noise
Turn on Time
Overshoot at Turn on
Output Capacitance
Transient Response
50% ~ 100% Max Load
100% ~ 50% Max Load
50% ~ 100% Max Load
100% ~ 50% Max Load
50% ~ 100% Max Load
100% ~ 50% Max Load
50% ~ 100% Max Load
100% ~ 50% Max Load
50% ~ 100% Max Load
100% ~ 50% Max Load
NON-ISOLATED DC/DC CONVERTERS
5.4 Vdc - 13.2 Vdc Input
Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel [phone] • Fax [phone] • www.belfuse.com
1. Test conditions of the output ripple and noise: two 270 uF/16 V capacitors with ESR=0.018 ohm max
at the input; Vin=8 V, Io=20 A; 0-20 MHz BW.
Settling Time
Settling Time
Settling Time
Settling Time
Settling Time
Settling Time
Settling Time
Settling Time
Settling Time
Settling Time
Parameter
1
1
1
1
(rms)
(rms)
(pk-pk)
(pk-pk)
V
V
V
V
V
O
O
O
O
3.3 V
O
=1.8 V-
=1.5 V
=1.2 V
=1.0 V
=5 V
1.0 Vdc - 5.0 Vdc Output / 20 A
680 uF
24 A
Min
0 A
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
0.075 A
20 mS
20 mV
10 mV
60 mV
30 mV
120 mV
120 mV
100 mV
100 mV
100 mV
100 mV
100 mV
100 mV
°C
90 mV
90 mV
50 uS
50 uS
50 uS
50 uS
40 uS
40 uS
40 uS
50 uS
40 uS
Typ
40uS
0%
-
-
-
u nless otherwise stated.
2
s
0.15 A
8000 uF
100 mV
40 mV
20 mV
60 mV
40 mS
200 mV
200 mV
150 mV
150 mV
150 mV
150 mV
150 mV
150 mV
130 mV
130 mV
100 uS
100 uS
100 uS
100 uS
100 uS
20 A
40 A
80 uS
80 uS
80 uS
80 uS
80 uS
Max
3%
2
s
With 1 uF ceramic capacitor at the
output
With 680 uF tantalum capacitor at the
output
With 1 uF ceramic capacitor at the
output
With 680 uF tantalum capacitor at the
output
Test conditions:
di/dt = 0.5 A/uS; Vin=8 V; with
external 680 uF tantalum capacitor.
Notes