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参数资料
| 型号： | MAX5951ETJ+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 25/25页 |
| 文件大小： | 0K |
| 描述： | IC REG CTRLR BUCK PWM VM 32-TQFN |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| PWM 型： | 电压模式 |
| 输出数： | 1 |
| 频率 - 最大： | 1MHz |
| 占空比： | 88% |
| 电源电压： | 4.5 V ~ 16 V |
| 降压： | 是 |
| 升压： | 无 |
| 回扫： | 无 |
| 反相： | 无 |
| 倍增器： | 无 |
| 除法器： | 无 |
| Cuk： | 无 |
| 隔离： | 无 |
| 工作温度： | -40°C ~ 85°C |
| 封装/外壳： | 32-WFQFN 裸露焊盘 |
| 包装： | 带卷 (TR) |
12V/5V Input Buck PWM Controller
Package Information
(The package drawing(s) in this data sheet may not reflect the most current specifications. For the latest package outline information,
go to www.maxim-ic.com/packages .)
D2
D
D/2
k
C L
D2/2
b
0.10 M C A B
MARKING
AAAAA
E/2
L
E2/2
E
(NE-1) X e
C L
E2
PIN # 1
I.D.
DETAIL A
e
(ND-1) X e
e/2
PIN # 1 I.D.
0.35x45°
DETAIL B
e
L1
L
L
CL
e
e
C L
L
0.10 C
A
0.08 C
C
A1 A3
PACKAGE OUTLINE,
16, 20, 28, 32, 40L THIN QFN, 5x5x0.8mm
-DRAWING NOT TO SCALE-
21-0140
I
1
2
COMMON DIMENSIONS
EXPOSED PAD VARIATIONS
PKG. 16L 5x5 20L 5x5 28L 5x5 32L 5x5 40L 5x5
SYMBOL MIN. NOM. MAX. MIN. NOM. MAX. MIN. NOM. MAX. MIN. NOM. MAX. MIN. NOM. MAX.
PKG.
CODES
D2 E2 L
exceptions
MIN. NOM. MAX. MIN. NOM. MAX. ±0.15
DOWN
BONDS
ALLOWED
A
A1
A3
b
D
E
e
0.70 0.75 0.80 0.70 0.75 0.80 0.70 0.75 0.80 0.70 0.75 0.80 0.70 0.75 0.80
0 0.02 0.05 0 0.02 0.05 0 0.02 0.05 0 0.02 0.05 0 0.02 0.05
0.20 REF. 0.20 REF. 0.20 REF. 0.20 REF. 0.20 REF.
0.25 0.30 0.35 0.25 0.30 0.35 0.20 0.25 0.30 0.20 0.25 0.30 0.15 0.20 0.25
4.90 5.00 5.10 4.90 5.00 5.10 4.90 5.00 5.10 4.90 5.00 5.10 4.90 5.00 5.10
4.90 5.00 5.10 4.90 5.00 5.10 4.90 5.00 5.10 4.90 5.00 5.10 4.90 5.00 5.10
0.80 BSC. 0.65 BSC. 0.50 BSC. 0.50 BSC. 0.40 BSC.
T1655-2
T1655-3
T1655N-1
T2055-3
T2055-4
T2055-5
3.00
3.00
3.00
3.00
3.00
3.15
3.10
3.10
3.10
3.10
3.10
3.25
3.20
3.20
3.20
3.20
3.20
3.35
3.00
3.00
3.00
3.00
3.00
3.15
3.10
3.10
3.10
3.10
3.10
3.25
3.20
3.20
3.20
3.20
3.20
3.35
**
**
**
**
**
0.40
YES
NO
NO
YES
NO
YES
k
0.25
- -
0.25
-
-
0.25
-
-
0.25
-
-
0.25 0.35 0.45
T2855-3 3.15
3.25
3.35
3.15
3.25
3.35
**
YES
L
L1
0.30 0.40 0.50 0.45 0.55 0.65 0.45 0.55 0.65 0.30 0.40 0.50 0.40 0.50 0.60
- - - - - - - - - - - - 0.30 0.40 0.50
T2855-4 2.60
T2855-5 2.60
2.70
2.70
2.80
2.80
2.60
2.60
2.70
2.70
2.80
2.80
**
**
YES
NO
N
16
20
28
32
40
T2855-6
3.15
3.25
3.35
3.15
3.25
3.35
**
NO
ND
4
5
7
8
10
T2855-7 2.60
2.70
2.80
2.60
2.70
2.80
**
YES
NE
JEDEC
4
WHHB
5
WHHC
7
WHHD-1
8
WHHD-2
10
-----
T2855-8
T2855N-1
3.15
3.15
3.25
3.25
3.35
3.35
3.15
3.15
3.25
3.25
3.35
3.35
0.40
**
YES
NO
T3255-3
3.00
3.10
3.20
3 3.00
3.10
3.20
**
YES
NOTES:
1. DIMENSIONING & TOLERANCING CONFORM TO ASME Y14.5M-1994.
T3255-4
T3255-5
3.00
3.00
3.10
3.10
3.20
3.20
3 3.00
3.00
3.10
3.10
3.20
3.20
**
**
NO
YES
2. ALL DIMENSIONS ARE IN MILLIMETERS. ANGLES ARE IN DEGREES.
3. N IS THE TOTAL NUMBER OF TERMINALS.
T3255N-1 3.00
T4055-1 3.20
3.10
3.30
3.20
3.40
3.00
3.20
3.10
3.30
3.20
3.40
**
**
NO
YES
4. THE TERMINAL #1 IDENTIFIER AND TERMINAL NUMBERING CONVENTION SHALL
CONFORM TO JESD 95-1 SPP-012. DETAILS OF TERMINAL #1 IDENTIFIER ARE
OPTIONAL, BUT MUST BE LOCATED WITHIN THE ZONE INDICATED. THE TERMINAL #1
IDENTIFIER MAY BE EITHER A MOLD OR MARKED FEATURE.
5. DIMENSION b APPLIES TO METALLIZED TERMINAL AND IS MEASURED BETWEEN
0.25 mm AND 0.30 mm FROM TERMINAL TIP.
6. ND AND NE REFER TO THE NUMBER OF TERMINALS ON EACH D AND E SIDE RESPECTIVELY.
7. DEPOPULATION IS POSSIBLE IN A SYMMETRICAL FASHION.
8. COPLANARITY APPLIES TO THE EXPOSED HEAT SINK SLUG AS WELL AS THE TERMINALS.
9. DRAWING CONFORMS TO JEDEC MO220, EXCEPT EXPOSED PAD DIMENSION FOR
T2855-3 AND T2855-6.
10. WARPAGE SHALL NOT EXCEED 0.10 mm.
11. MARKING IS FOR PACKAGE ORIENTATION REFERENCE ONLY.
12. NUMBER OF LEADS SHOWN ARE FOR REFERENCE ONLY.
13. LEAD CENTERLINES TO BE AT TRUE POSITION AS DEFINED BY BASIC DIMENSION "e", ±0.05.
** SEE COMMON DIMENSIONS TABLE
PACKAGE OUTLINE,
16, 20, 28, 32, 40L THIN QFN, 5x5x0.8mm
-DRAWING NOT TO SCALE-
21-0140
I
2
2
Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are
implied. Maxim reserves the right to change the circuitry and specifications without notice at any time.
Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 ____________________ 25
? 2006 Maxim Integrated Products
M. Quijano
Printed USA
is a registered trademark of Maxim Integrated Products, Inc.
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