參數(shù)資料
型號(hào)： 5962-90650012A
廠商： TEXAS INSTRUMENTS INC
元件分類(lèi)： 模擬信號(hào)調(diào)理
英文描述： SPECIALTY ANALOG CIRCUIT, CQCC20
封裝： LCC-20
文件頁(yè)數(shù)： 14/42頁(yè)
文件大?。?/td> 870K
代理商： 5962-90650012A
Analog
Current-Mode Pulse Width Modulator (PWM) Controllers (Continued)
Device Name
UC1844
UC1844A
UC1845
UC1845A
UC1846
UC1847
Application
Off-line, DC-DC
Topology
Forward, Flyback,
Buck, Boost
Forward, Flyback, Buck,
Boost
Forward, Flyback, Buck,
Boost
Forward, Flyback, Buck,
Boost
Push-Pull,
Full Bridge,
Half Bridge
Push-Pull,
Full Bridge,
Half Bridge
Vref tol (%)
1
Peak Output Current (mA)
1000
500
Undervoltage Lockout
16 V / 10 V
8.4 V / 7.6 V
8.5 V / 7.6 V
7.7 V / 6.95 V
Maximum Practical Frequency (kHz)
500
Output Type
Single,
Totem Pole
Single,
Totem Pole
Single,
Totem Pole
Single,
Totem Pole
Dual Alternating, Totem
Pole
Dual Alternating, Totem
Pole
Startup Current (mA) Max
1.0
0.5
1.0
0.5
—
Leading Edge Blanking
—
Soft Start
—
Yes
Duty Cycle (max) (%)
<50
50
<50
50
50/50
Separate Oscillator /
Synchronization Terminal
—
Yes
VIN Range (VDC)
10-30
7.6 - 30
8 - 40
Output Mode Fixed Push - Pull
No
Yes
Pulse - by - Pulse Isense
Yes
Shutdown Mode
No
Yes
Operating / Startup Current (mA)
11/0.3
NA/17
Reference Voltage (V)
5
5.1
On-board Amplifiers
1
2
Output Mode Single - Ended
Yes
No
Current – Sense
No
Yes
SMD Number
5962-8670403PA
5962-8670403XA
5962-8670407PA
5962-8670407XA
5962-8670404PA
5962-8670404XA
5962-8670408PA
5962-8670408XA
5962-8680601EA
5962-86806012A
5962-8680602EA
5962-86806022A
Pincount / Package
8-J, 20-L
16-J, 20-L
Space Level-Class V
5962-8670403VPA
5962-8670403V2A
5962-8670407VPA
5962-8670407V2A
5962-8670404VPA
5962-8670404V2A
5962-8670408VPA
5962-8670408V2A
5962-8680601VEA
5962-8680601V2A
—
Catalog Orderable
Part Number
UC1844J
UV1844J883B
UV1844L
UV1844L883B
UC1844AJ
UV1844AJ883B
UV1844AL
UV1844AL883B
UC1845J
UC1845J883B
UC1845L*
UC1845L883B
UC1845AJ
UC1845AJ883B
UC1845AL*
UC1845AL883B
UC1846J
UC1846J883B
UC1846L*
UC1846L883B
UC1847J
UC1847J883B
UC1847L
UC1847L883B
Power Management
3-
16
* Contact the PIC for availability
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