Datasheet

TLV62065
SLVSAC4A NOVEMBER 2010REVISED JULY 2012
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ELECTRICAL CHARACTERISTICS
Over full operating ambient temperature range, typical values are at T
A
= 25°C. Unless otherwise noted, specifications apply
for condition V
IN
= EN = 3.6V. External components C
IN
= 10μF 0603, C
OUT
= 10μF 0603, L = 1.0μH, see the parameter
measurement information.
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
SUPPLY
V
IN
Input voltage range 2.9 5.5 V
I
OUT
= 0 mA, device operating in PFM mode
I
Q
Operating quiescent current 18 μA
and not device not switching
I
SD
Shutdown current EN = GND, current into AVIN and PVIN combined 0.1 1 μA
Falling 1.73 1.78 1.83
V
UVLO
Undervoltage lockout threshold V
Rising 1.9 1.95 1.99
ENABLE, MODE
V
IH
High level input voltage 2.9V V
IN
5.5V 1.0 5.5 V
V
IL
Low level input voltage 2.9V V
IN
5.5V 0 0.4 V
I
IN
Input bias current EN, Mode tied to GND or AVIN 0.01 1 μA
POWER SWITCH
V
IN
= 3.6V
(1)
120 180
R
DS(on)
High-side MOSFET on-resistance m
V
IN
= 5.0V
(1)
95 150
V
IN
= 3.6V
(1)
90 130
R
DS(on)
Low-side MOSFET on-resistance mΩ
V
IN
= 5.0V
(1)
75 100
Forward current limit MOSFET
I
LIMF
3V V
IN
3.6V 2300 2750 mA
high-side and low-side
Thermal shutdown Increasing junction temperature 150
T
SD
°C
Thermal shutdown hysteresis Decreasing junction temperature 10
OSCILLATOR
f
SW
Oscillator frequency 2.9V V
IN
5.5V 2.6 3 3.4 MHz
OUTPUT
V
ref
Reference voltage 600 mV
PWM operation, MODE = V
IN
,
V
FB(PWM)
Feedback voltage PWM Mode –2.0 0 2.0
2.9V V
IN
5.5V, 0 mA load
%
Feedback voltage PFM mode, device in PFM mode, voltage positioning active
(2)
V
FB(PFM)
1
Voltage Positioning
Load regulation -0.5 %/A
V
FB
Line regulation 0 %/V
Activated with EN = GND, 2.9V V
IN
5.5V, 0.8 200
R
(Discharge)
Internal discharge resistor Ω
V
OUT
3.6V
t
START
Start-up time Time from active EN to reach 95% of V
OUT
500 μs
(1) Maximum value applies for T
J
= 85°C
(2) In PFM mode, the internal reference voltage is set to typ. 1.01×V
ref
. See the parameter measurement information.
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