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TS30111-M000 Datasheet(PDF) 6 Page - Semtech Corporation

Part # TS30111-M000
Description  High Efficiency 700mA Current-Mode Synchronous Buck DC/DC Regulator, 1MHz
Download  21 Pages
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Manufacturer  SEMTECH [Semtech Corporation]
Direct Link  http://www.semtech.com
Logo SEMTECH - Semtech Corporation

TS30111-M000 Datasheet(HTML) 6 Page - Semtech Corporation

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TS30111
Final Datasheet
Rev 1.0
June 2, 2015
www.semtech.com
6 of 21
Semtech
Regulator Characteristics
Electrical characteristics, T
J = -40C to 125C, VCC = 12V (unless otherwise noted)
Symbol
Parameter
Condition
Min
Typ
Max
Unit
Switch Mode Regulator: L=3.3uH and C=22uF
V
OUT-PWM
Output Voltage Error in PWM Mode
I
LOAD =700 mA
±2%
V
V
OUT-PFM
Output Voltage Tolerance in PFM Mode
I
LOAD = 0A
V
OUT + 1%
V
R
DSON
High Side Switch On Resistance
I
VSW = -700mA (Note 1)
240
Low Side Switch On Resistance
I
VSW = 700mA (Note 1)
160
I
OUT
Output Current
700
mA
I
OCD
Over Current Detect
HS switch current
1.2
A
FB
TH
Feedback Reference
(Adjustable Mode)
(Note 3)
0.8
V
FB
TH-TOL
Feedback Reference
Absolute Tolerance
(Note 3)
1.5
%
t
SS
Soft start Ramp Time
4
ms
FB
TH-PFM
PFM Mode FB Comparator Threshold
V
OUT + 1%
V
V
OUT-UV
VOUT Under Voltage Threshold
93% V
OUT
V
OUT-UV_HYST
VOUT Under Voltage Hysteresis
1.5% V
OUT
V
OUT-OV
VOUT Over Voltage Threshold
103% V
OUT
V
OUT-OV_HYST
VOUT Over Voltage Hysteresis
1% V
OUT
DUTY
MAX
Max Duty Cycle
(Note 2)
95%
97%
99%
Note 1: R
DSON is characterized at 600mA and tested at lower current in production.
Note 2: Regulator VSW pin is forced off for 240ns every 8 cycles to ensure the BST cap is replenished.
Note 3: For the adjustable version, the ratio of VCC/V
OUT cannot exceed 16.
Note 4: Based on Over Current Detect testing


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