Datasheet
ELECTRICAL CHARACTERISTICS
TPS62220 , , TPS62221 , , TPS62222
TPS62223 , TPS62224 , TPS62225
TPS62227 , TPS62228 , TPS62229
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....................................................................................................................................... SLVS491E – SEPTEMBER 2003 – REVISED FEBRUARY 2009
V
I
= 3.6 V, V
O
= 1.8 V, I
O
= 200 mA, EN = VIN, T
A
= -40 ° C to 85 ° C, typical values are at T
A
= 25 ° C (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
SUPPLY CURRENT
V
I
Input voltage range 2.5 6 V
I
Q
Operating quiescent current I
O
= 0 mA, Device is not switching 15 25 µ A
Shutdown supply current EN = GND 0.1 1 µ A
Undervoltage lockout threshold 1.5 2 V
ENABLE
EN high level input voltage 1.3 V
V
(EN)
EN low level input voltage 0.4 V
I
(EN)
EN input bias current EN = GND or VIN 0.01 0.1 µ A
POWER SWITCH
V
I
= V
GS
= 3.6 V 530 670
P-channel MOSFET on-resistance m Ω
V
I
= V
GS
= 2.5 V 670 850
r
DS(on)
V
I
= V
GS
= 3.6 V 430 540
N-channel MOSFET on-resistance m Ω
V
I
= V
GS
= 2.5 V 530 660
P-channel leakage current V
DS
= 6 V 0.1 1 µ A
I
lkg
N-channel leakage current V
DS
= 6 V 0.1 1 µ A
I
(LIM)
P-channel current limit 2.5 V < V
I
< 6 V 600 670 880 mA
OSCILLATOR
f
S
Switching frequency 0.8 1.25 1.85 MHz
OUTPUT
I
O
Output current 400 mA
Adjustable output voltage
V
O
TPS62220 0.7 V
IN
V
range
V
ref
Reference voltage 500 mV
V
I
= 3.6 V to 6 V, I
O
= 0 mA 0% 3%
TPS62220
Feedback voltage, See
(1)
Adjustable
V
I
= 3.6 V to 6 V, 0 mA ≤ I
O
≤ 400 mA -3% 3%
V
I
= 2.7 V to 6 V, I
O
= 0 mA 0% 3%
TPS62227
1.2 V
V
I
= 2.7 V to 6 V, 0 mA ≤ I
O
≤ 400 mA -3% 3%
V
I
= 2.5 V to 6 V, I
O
= 0 mA 0% 3%
TPS62221
1.5 V
V
I
= 2.5 V to 6 V, 0 mA ≤ I
O
≤ 400 mA -3% 3%
V
I
= 2.5 V to 6 V, I
O
= 0 mA 0% 3%
TPS62224
1.6 V
V
I
= 2.5 V to 6 V, 0 mA ≤ I
O
≤ 400 mA -3% 3%
V
I
= 2.5 V to 6 V, I
O
= 0 mA 0% 3%
TPS62229
1.7 V
V
I
= 2.5 V to 6 V, 0 mA ≤ I
O
≤ 400 mA -3% 3%
V
O
Fixed output voltage
V
I
= 2.5 V to 6 V, I
O
= 0 mA 0% 3%
TPS62222
1.8 V
V
I
= 2.5 V to 6 V, 0 mA ≤ I
O
≤ 400 mA -3% 3%
V
I
= 2.5 V to 6 V, I
O
= 0 mA 0% 3%
TPS62228
1.875 V
V
I
= 2.5 V to 6 V, 0 mA ≤ I
O
≤ 400 mA -3% 3%
V
I
= 2.7 V to 6 V, I
O
= 0 mA 0% 3%
TPS62225
2.2 V
V
I
= 2.7 V to 6 V, 0 mA ≤ I
O
≤ 400 mA -3% 3%
V
I
= 2.7 V to 6 V, I
O
= 0 mA 0% 3%
TPS62223
2.3 V
V
I
= 2.7 V to 6 V, 0 mA ≤ I
O
≤ 400 mA -3% 3%
(1) For output voltages ≤ 1.2 V, a 22 µ F output capacitor value is required to achieve a maximum output voltage accuracy of 3% while
operating in power-save mode (PFM mode). For output voltages ≥ 2 V, an inductor of 10 µ H and an output capacitor of ≥ 10 µ F is
recommended. See the Application Information section for external components.
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TPS62229