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参数资料
| 型号： | SP7653ER-L/TR |
| 厂商： | Exar Corporation |
| 文件页数： | 2/15页 |
| 文件大小： | 0K |
| 描述： | IC REG BUCK SYNC ADJ 3A 26DFN |
| 标准包装： | 3,000 |
| 系列： | Power Blox™ |
| 类型： | 降压（降压） |
| 输出类型： | 可调式 |
| 输出数： | 1 |
| 输出电压： | 0.8 V ~ 19 V |
| 输入电压： | 2.5 V ~ 20 V |
| PWM 型： | 电压模式 |
| 频率 - 开关： | 1.3MHz |
| 电流 - 输出： | 3A |
| 同步整流器： | 是 |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 26-VFDFN 裸露焊盘 |
| 包装： | 带卷 (TR) |
| 供应商设备封装： | 26-DFN（7x4） |
ABSOLUTE MAXIMUM RATINGS
These are stress ratings only and functional operation of the device at these ratings or any other above those indicated in the operation sections of the
specifications below is not implied. Exposure to absolute maximum rating conditions for extended periods of time may affect reliability.
V CC .................................................................................................. 7V
V IN ........................................................................................................................................... 20V
I LX ............................................................................................................................................... 5A
BST ............................................................................................... 27V
LX-BST ............................................................................. -0.3V to 7V
LX ....................................................................................... -1V to 20V
All other pins .......................................................... -0.3V to V CC +0.3V
Storage Temperature .................................................. -65 ° C to 150 ° C
Power Dissipation ...................................... Internally Limited via OTP
ESD Rating .......................................................................... 2kV HBM
Thermal Resistance JC .................................................................................... 5 ° C/W
ELECTRICAL SPECIFICATIONS
Unless otherwise specified: -40 ° C < T AMB < 85 ° C, -40 ° C< Tj< 125 ° C, 4.5V < V CC < 5.5V, 3V< Vin< 28V, Boost=LX + 5V,
LX = GND = 0.0V, UV IN = 3.0V, CV CC = 1 μ F, C COMP = 0.1 μ F, C SS = 50nF, Typical measured at V CC = 5V.
The denotes the specifications which apply over the full temperature range, unless otherwise specified.
P A R A M E T E R
M I N .
T Y P .
M A X .
U N I T S
C O N D I T I O N S
Q U I E S C E N T C U R R E N T
V C C S u p p l y C u r r e n t ( N o s w i t c h i n g )
V C C S u p p l y C u r r e n t ( s w i t c h i n g )
B o o s t S u p p l y C u r r e n t ( N o
s w i t c h i n g )
B o o s t S u p p l y C u r r e n t ( s w i t c h i n g )
1 . 5
8
0 . 2
4 . 0
3
0 . 4
m A
m A
m A
m A
?
?
V F B = 0 . 9 V
V F B = 0 . 9 V
P R O T E C T I O N : U V L O
V C C U V L O S t a r t T h r e s h o l d
V C C U V L O H y s t e r e s i s
4 . 0 0
1 0 0
4 . 2 5
2 0 0
4 . 5
3 0 0
V
m V
U V I N S t a r t T h r e s h o l d
U V I N H y s t e r e s i s
U V I N I n p u t C u r r e n t
2 . 3
2 0 0
2 . 5
3 0 0
2 . 6 5
4 0 0
1
V
m V
μ A
?
U V I N = 3 . 0 V
E R R O R A M P L I F I E R R E F E R E N C E
E r r o r A m p l i f i e r R e f e r e n c e
E r r o r A m p l i f i e r R e f e r e n c e
O v e r L i n e a n d T e m p e r a t u r e
0 . 7 9 2
0 . 7 8 8
0 . 8 0 0
0 . 8 0 0
0 . 8 0 8
0 . 8 1 2
V
V
?
2 X G a i n C o n f i g . , M e a s u r e
V F B ; V C C = 5 V , T = 2 5 o C
E r r o r A m p l i f i e r T r a n s c o n d u c t a n c e
6
m A / V
E r r o r A m p l i f i e r G a i n
C O M P S i n k C u r r e n t
C O M P S o u r c e C u r r e n t
6 0
1 5 0
1 5 0
d B
μ A
μ A
N o L o a d
V F B = 0 . 9 V , C O M P = 0 . 9 V
V F B = 0 . 7 V , C O M P = 2 . 2 V
V F B I n p u t B i a s C u r r e n t
I n t e r n a l P o l e
C O M P C l a m p
C O M P C l a m p T e m p . C o e f f i c i e n t
5 0
4
2 . 5
- 2
2 0 0
n A
M H z
V
m V / o C
V F B = 0 . 8 V
V F B = 0 . 7 V , T A = 2 5 o C
2/17/06
Date: /20/06
Wide Input Input Range,Range, BuckBuck
SP7653 SP7653 Wide Voltage Voltage .3MHz, 1.3MHz, Regulator
2
? Copyright 2006 Sipex Corporation
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