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参数资料
| 型号： | TPS65530RSLTG4 |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 稳压器 |
| 英文描述： | 3.3 A SWITCHING REGULATOR, 1650 kHz SWITCHING FREQ-MAX, PQCC48 |
| 封装： | 6 X 6 MM, 0.40 MM PITCH, GREEN, PLASTIC, QFN-48 |
| 文件页数： | 27/31页 |
| 文件大小： | 931K |
| 代理商： | TPS65530RSLTG4 |
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DISSIPATION RATINGS
RECOMMENDED OPERATING CONDITIONS
ELECTRICAL CHARACTERISTICS
www.ti.com....................................................................................................................................................... SLVS744C – OCTOBER 2007 – REVISED MAY 2008
POWER RATINGS
POWER RATINGS RATE
PACKAGE
RθJA
(1)
TA < 25°C
TA > 25°C
48-pin QFN
27
°C/W
2.9 W
0.029
°C/W
(1)
The thermal resistance, RθJA, is based on a soldered PowerPAD package on a 2S2P JEDEC board (3-in × 3-in, four layers) using
thermal vias (0.3-mm diameter
× 12 vias)
MIN
MAX
UNIT
VCC1, VCC2, VCC4, VCC5
1.5
5.5
Supply voltage
V
VCC3, VCC6
2.5
5.5
XSLEEP, ENAFE, EN56, EN7
1.4
High-level input voltage
V
SEQ56
1.4
REF
Low-level input voltage
XSLEEP, ENAFE, EN56, EN7, SEQ56
0.4
V
Operating temperature
–25
85
°C
0
°C ≤ T
J ≤ 125°C, 1.8 V ≤ VCC2 ≤ 5 V (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP(1)
MAX
UNIT
For All Circuits
ICC_Iq
VCC2 = VPS = 3.6 V, XSLEEP = AGND
1
10
A
ICC_sleep
VCC2 = 3.6 V, VPS = 5 V, XSLEEP = AGND,
40
70
Consumption current at PS (pin 29)
ENAFE = VCC2
ICC_PWM
VCC2 = 3.6 V , VPS = 5 V, XSLEEP = VCC2,
20
30
mA
ENAFE = VCC2, EN56 = VCC2, EN7 = VCC2
ICC_Iq2
VCC2 = VPS = 3.6 V, XSLEEP = AGND
1
10
A
ICC_sleep2
VCC2 = 3.6 V, VPS = 5 V, XSLEEP = AGND,
12
30
Consumption current at VCC2 (pin 12)
ENAFE = VCC2
ICC_PWM2
VCC2 = 3.6 V , VPS = 5 V, XSLEEP = VCC2,
0.3
1
mA
ENAFE = VCC2, EN56 = VCC2, EN7 = VCC2
TSD
Thermal shutdown temperature(2)
150
°C
V(UV_ON)
UVLO detect level
VCC2 from 0 V to 5.5 V, XSLEEP = VCC2
1.25
1.4
1.55
V
V(UV_OFF) UVLO hysteresis
VCC2 from 5.5 V to 0 V
50
100
150
mV
OSC
Internal OSC frequency
VCC2 = 3.6 V
1.35
1.5
1.65
MHz
OSC_SUB
CH5–8 switching frequency
OSC = 1.5 MHz, VPS = 5 V
750
KHz
REF output voltage
XSLEEP = VCC2
2.72
2.8
3.03
V
Iss
SS source current
S/S = AGND
6
10
14
A
Pulldown resistance at XSLEEP,
XSLEEP = ENAFE = EN56 = EN7 = SEQ56 = 3 V
200
k
ENAFE, EN56, EN7, SEQ56
CH1
VCC1
Supply voltage
1.5
5.5
V
VOUT1
Output voltage(2)
0.9
2.5
V
VCC1 > 2.4 V, VOUT1 = 1.2 V,
IOUT1
Output current(2)
Feedback resistance: R1 = 330 k
,
600
mA
R2 = 330 k
VFB1
FB1 reference voltage
No load
0.59
0.6
0.61
V
Overcurrent protection threshold
0.9
1.9
A
Overvoltage protection threshold
0.67
0.75
0.83
V
(sensing at FB1 pin)
(1)
TA = 25°C
(2)
Specified by design
Copyright 2007–2008, Texas Instruments Incorporated
5
Product Folder Link(s): TPS65530
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