ZSPM4022-12 Datasheet, PDF (7/38 Pages) List of Unclassifed Manufacturers – 12V/12A Synchronous DC/DC Buck Regulator

ZSPM4022-12
12V/12A Synchronous DC/DC Buck Regulator
1.3. Electrical Parameters
Unless noted otherwise, test conditions for typical values are VPVIN = VIN = VEN = 12V; VBST – VSW = 5V; TA = 25°C.
Yellow shaded values indicate that 40°C ≤ TJ ≤ +125°C is a condition requirement.
PARAMETER
Power Supply Input
Input Voltage Range
Quiescent Supply Current
Shutdown Supply Current
VDD Supply Voltage
VDD Output Voltage
VDD UVLO Threshold
VDD UVLO Hysteresis
Dropout Voltage (VIN – VDD)
DC/DC Controller
Output-Voltage Adjustment
Range (VOUT)
Reference
Feedback (FB) Reference
Voltage
Load Regulation
Line Regulation
FB Bias Current
Enable Control
EN Logic Level High
EN Logic Level Low
EN Bias Current
Oscillator
Switching Frequency
Maximum Duty Cycle ¹⁾
Minimum Duty Cycle
Minimum Off-time
Soft-Start
Soft-Start time
SYMBOL
CONDITIONS
VIN, VVPIN
IVDD VFB = 1.5V (non-switching)
IVDD
VEN = 0V
VDD VIN = 7V to 19V, IDD = 40mA
VDD rising
IDD = 25mA
0°C ≤ TJ ≤ 85°C
40°C ≤ TJ ≤ 125°C
IOUT = 3A to 12A (Continuous
Mode)
VIN = 4.5 to 19V
VFB = 0.8V
VEN = 12V
fSW
DMAX
DMIN
VFB = 0V
VFB = 1.0V
MIN
TYP
MAX UNITS
4.5
19
V
450
750
µA
5
10
µA
4.8
5
5.4
V
3.7
4.2
4.5
V
400
mV
380
600
mV
0.8
5.5
V
0.792
0.8
0.808
V
0.788
0.8
0.812
0.25
%
0.25
%
50
500
nA
1.8
V
0.6
V
6
30
µA
450
600
750
kHz
82
%
0
%
300
ns
3
ms
Data Sheet
September 17, 2013
© 2013 Zentrum Mikroelektronik Dresden AG — Rev. 1.00
All rights reserved. The material contained herein may not be reproduced, adapted, merged, translated, stored, or used without the
prior written consent of the copyright owner. The information furnished in this publication is subject to changes without notice.
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