ZSPM4012KIT ZMDI, ZSPM4012KIT Datasheet - Page 8

• Manufacturer Part Number: ZSPM4012KIT
• Description: Power Management IC Development Tools DC-DC Converter Kit
• Manufacturer: ZMDI
• Type: DC/DC Converters, Regulators & Controllersr

Specifications of ZSPM4012KIT

• Rohs: yes
• Product: Evaluation Kits
• Tool Is For Evaluation Of: ZSPM4012
• Input Voltage: 6 V to 24 V
• Output Voltage: 1.5 V, 1.8 V, 2.5 V, 3.3 V, 5 V, 0.9 V to 5 V
• Output Current: 2 A

1.5.
Electrical Characteristics, T
Table 1.5: Regulator Characteristics
Switch Mode Regulator: L=4.7uH and C=2 x 22uF
Note 1: R
Note 2: Regulator VSW pin is forced off for 240ns every 8 cycles to ensure the BST cap is replenished.
DUTY
V
FB
Symbol
V
FB
Data Sheet
January 23, 2012
V
V
UV_HYST
OV_HYST
OUT-PWM
R
OUT-PFM
V
V
FB
OUT-OV
I
OUT-UV
I
T
ZSPM4012
High Efficiency 2A Synchronous Buck Converter
DSON
OCD
TH-PFM
OUT
TH-TOL
OUT-
OUT-
SS
TH
MAX
Regulator Characteristics
DSON
is characterized at 1A and tested at lower current in production.
Output Voltage Tolerance in
PWM Mode
Output Voltage Tolerance in
PFM Mode
High Side Switch On
Resistance
Low Side Switch On Resistance
Output Current
Over Current Detect
Feedback Reference Tolerance
V
V
V
V
OUT
OUT
PFM Mode FB Comparator
OUT
OUT
© 2012 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
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Feedback Reference
Softstart Ramp Time
Under Voltage Hysteresis
Under Voltage Threshold
Over Voltage Hysteresis
Over Voltage Threshold
(Adjustable Mode)
Max Duty Cycle
Parameter
Threshold
J
= -40°C to 125°C, VCC = 12V (unless otherwise noted)
I
I
HS switch current
VSW
VSW
Condition
I
I
LOAD
= -1A (Note 1)
= 1A (Note 1)
LOAD
(Note 2)
=1A
= 0A
91% V
V
V
0.886
95%
Min
-1.5
OUT
OUT
2%
1%
2.4
OUT
–
–
103% V
V
V
1.5% V
93% V
1% V
OUT
OUT
V
97%
Typ
180
120
2.8
0.9
OUT
4
+ 1%
+ 1%
OUT
OUT
OUT
OUT
95% V
V
V
0.914
3.5%
99%
Max
OUT
OUT
2%
3.4
1.5
2
8 of 19
OUT
+
+
Unit
mΩ
mΩ
ms
%
V
V
A
A
V
V