參數(shù)資料
型號： TPS62690YFFR
廠商： TEXAS INSTRUMENTS INC
元件分類： 穩(wěn)壓器
英文描述： 0.5 A SWITCHING REGULATOR, 4400 kHz SWITCHING FREQ-MAX, BGA6
封裝： GREEN, DSBGA-6
文件頁數(shù)： 22/27頁
文件大?。?/td> 870K
代理商： TPS62690YFFR
SLVS965
– MARCH 2011
ELECTRICAL CHARACTERISTICS (continued)
Minimum and maximum values are at VIN = 2.3V to 5.5V, VOUT = 2.85V, EN = 1.8V, AUTO mode and TA = –40°C to 85°C;
Circuit of Parameter Measurement Information section (unless otherwise noted). Typical values are at VIN = 3.6V, VOUT =
2.85V, EN = 1.8V, AUTO mode and TA = 25°C (unless otherwise noted).
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
OSCILLATOR
fSW
Oscillator frequency
TPS6269x
IO = 0mA, PWM mode. TA = 25°C
3.6
4
4.4
MHz
OUTPUT
3.15V
≤ VIN ≤ 4.8V, 0mA ≤ IO ≤ 500 mA
0.98
×VNOM
VNOM
1.03
×VNOM
V
PFM/PWM operation
Regulated DC output
3.15V
≤ VIN ≤ 5.5V, 0mA ≤ IO ≤ 500 mA
0.98
×VNOM
VNOM
1.04
×VNOM
V
voltage
PFM/PWM operation
VOUT
TPS62690
3.15V
≤ VIN ≤ 5.5V, 0mA ≤ IO ≤ 500 mA
0.98
×VNOM
VNOM
1.02
×VNOM
V
PWM operation
VIN = VO + 0.5V (min 3.15V) to 5.5V
Line regulation
0.18
%/V
IO = 200 mA
Load regulation
IO = 0mA to 500 mA
–0.0002
%/mA
2.65V
≤ VIN ≤ 4.8V, 0mA ≤ IO ≤ 600 mA
0.98
×VNOM
VNOM
1.03
×VNOM
V
PFM/PWM operation
2.5V
≤ VIN ≤ 4.8V, 0mA ≤ IO ≤ 600 mA
0.97
×VNOM
VNOM
1.03
×VNOM
V
PFM/PWM operation
Regulated DC output
voltage
2.5V
≤ VIN ≤ 5.5V, 0mA ≤ IO ≤ 600 mA
0.97
×VNOM
VNOM
1.04
×VNOM
V
PFM/PWM operation
VOUT
TPS62691
2.5V
≤ VIN ≤ 5.5V, 0mA ≤ IO ≤ 600 mA
0.97
×VNOM
VNOM
1.02
×VNOM
V
PWM operation
VIN = VO + 0.5V (min 2.5V) to 5.5V
Line regulation
0.12
%/V
IO = 200 mA
Load regulation
IO = 0mA to 600 mA
–0.0003
%/mA
Feedback input
TPS6269x
480
k
resistance
IO = 1mA
65
mVPP
CO = 4.7μF X5R 6.3V 0402
TPS62690
Power-save mode ripple
IO = 1mA
ΔVO
25
mVPP
voltage
CO = 10μF X5R 6.3V 0603
IO = 1mA
TPS62691
22
mVPP
CO = 10μF X5R 6.3V 0603
TPS62690
IO = 0mA, Time from active EN to VO
250
μs
Start-up time
TPS62691
IO = 0mA, Time from active EN to VO
205
μs
4
2011, Texas Instruments Incorporated
Product Folder Link(s) :TPS62690 TPS62691
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