Datasheet

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SLVS354A − FEBRUARY 2001 − REVISED SEPTEMBER 2001
8
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
electrical characteristics at C
i
= 2.2 µF, C1 = C2 = 1 µF, C
O
= 2.2 µF, T
A
= −40°C to 85°C, V
I
= 2.4 V,
EN = V
I
(unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
I
O(MAX)
Maximum continuous output current V
I
= 2 V 100 mA
1.6 V < V
I
< 1.8 V, 0 < I
O
< 0.25 × I
O(MAX)
3
V
O
Output voltage
1.8 V < V
I
< 2 V, 0 < I
O
< 0.5 × I
O(MAX)
3.17 3.43
V
V
O
Output voltage
2 V < V
I
< 3.3 V, 0 < I
O
< I
O(MAX)
3.17 3.43
V
3.3 V < V
I
< 3.6 V, 0 < I
O
< I
O(MAX)
3.17 3.47
V
PP
Output voltage ripple I
O
= I
O(MAX)
5 mV
PP
I
(Q)
Quiescent current (no-load input current) I
O
= 0 mA, V
I
= 1.8 V to 3.6 V 35 70
µA
I
(SD)
Shutdown supply current EN = 0 V 0.05 1
µ
A
f
(OSC)
Internal switching frequency 200 300 400
kHz
f
(SYNC)
External clock signal frequency 400 600 800
kHz
External clock signal duty cycle 30% 70%
V
IL
EN input low voltage V
I
= 1.6 V to 3.6 V 0.3 × V
I
V
V
IH
EN input high voltage V
I
= 1.6 V to 3.6 V 0.7 × V
I
V
I
lkg(EN)
EN input leakage current EN = 0 V or V
I
0.01 0.1 µA
Output capacitor auto discharge time
EN is set from V
I
to GND,
Time until V
O
< 0.5 V
0.6 ms
Output leakage current in shutdown
EN = 0 V, T
A
= −40 to 85°C 5
µA
Output leakage current in shutdown
EN = 0 V, T
A
≤ 65°C 3
µ
A
LinSkip threshold V
I
= 2.2 V 7 mA
Output load regulation 10 mA < I
O
< I
O(MAX)
; T
A
= 25°C 0.01 %/mA
Output line regulation
2 V < V
I
< 3.3 V, I
O
= 0.5 x I
O(MAX)
,
T
A
= 25°C
0.6 %/V
I
(SC)
Short circuit current V
I
= 2.4 V, V
O
= 0 V 60 mA
electrical characteristics for low-battery comparator of devices TPS60204 at T
A
= −40°C to 85°C,
V
I
= 2.4 V and EN = V
I
(unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
V
(LBI)
LBI trip voltage V
I
= 1.6 V to 2.2 V, T
c
= 0°C to 70°C 1.13 1.18 1.23 V
LBI trip voltage hysteresis For rising voltage at LBI 10 mV
I
I(LBI)
LBI input current V
(LBI)
= 1.3 V 2 50 nA
V
O(LBO)
LBO output voltage low V
(LBI)
= 0 V, I
(LBO)
= 1 mA 0.4 V
I
lkg(LBO)
LBO leakage current V
(LBI)
= 1.3 V, V
(LBO)
= 3.3 V 0.01 0.1 µA
NOTE: During start-up of the converter the LBO output signal is invalid for the first 500 µs.
electrical characteristics for power-good comparator of devices TPS60205 at T
A
= −40°C to 85°C,
V
I
= 2.4 V and EN = V
I
(unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
V
(PG)
Power-good trip voltage T
c
= 0°C to 70°C 0.87 × V
O
0.91 × V
O
0.95 × V
O
V
V
hys(PG)
Power-good trip voltage hysteresis V
O
decreasing, T
c
= 0°C to 70°C 1%
V
O(PG)
Power-good output voltage Low V
O
= 0 V, I
(PG)
= 1 mA 0.4 V
I
lkg(PG)
Power-good leakage current V
O
= 3.3 V, V
(PG)
= 3.3 V 0.01 0.1 µA
NOTE: During start-up of the converter the PG output signal is invalid for the first 500 µs.