参数资料
型号: AP2004SG-13
厂商: Diodes/Zetex
文件页数: 4/8页
文件大小: 0K
描述: IC REG CTRLR BUCK PWM 8-SOIC
标准包装: 2,500
PWM 型: 控制器
输出数: 1
频率 - 最大: 300kHz
占空比: 90%
电源电压: 3.6 V ~ 27 V
降压:
升压:
回扫:
反相:
倍增器:
除法器:
Cuk:
隔离:
工作温度: -20°C ~ 85°C
封装/外壳: 8-SOIC(0.154",3.90mm 宽)
包装: 带卷 (TR)
AP2004
PWM BUCK CONTROLLER
Electrical Characteristics
Reference (REF)
(T A = 25oC, V CC = 6V, f = 200 Khz)
Symbol
V REF
Parameter
Comp connect to FB
Output voltage change with
temperature
Conditions
T A = -20oC ~ 25oC
T A = 25oC ~ 85oC
Min
1.225
Typ.
1.25
-0.1
-0.2
Max
1.275
±1
±1
Unit
V
%
%
Under voltage lockout (UVLO)
Symbol
V UT
V LWT
V HT
Parameter
Upper threshold voltage (V CC )
Lower threshold voltage (V CC )
Hysteresis (V CC )
Conditions
I O(REF) = 0.1mA
T A = 25oC
Min
Typ.
2.9
2.4
500
Max
Unit
V
V
mV
Short-circuit protection (SCP) control
Symbol
V IT
V STB
V LT
I SCP
Parameter
Input threshold voltage
Standby voltage
Latched input voltage
Input (source) current
Conditions
T A = 25oC
No pull up
No pull up
V I = 0.7V, T A = 25oC
Min
0.60
100
-10
Typ.
0.67
130
50
-15
Max
0.75
160
100
-20
Unit
V
mV
mV
μA
V CT
Comparator threshold voltage
(COMP)
1.5
V
Oscillator (OSC)
Symbol
F OSC
Δ F OSC
Parameter
Frequency
Standard deviation of frequency
Frequency change with voltage
Conditions
C T = 270 pF
C T = 270 pF
V CC = 3.6V ~ 20V
Min
Typ.
200
10
1
Max
Unit
KHz
%
Error-amplifier
Symbol
V IO
I IO
Parameter
Input offset voltage
Input offset current
Conditions
V O (FB) = 1.25V
V O (FB) = 1.25V
Min
Typ.
Max
±6
±100
Unit
mV
nA
I IB
V CM
Input bias current
Common-mode input voltage range
V O (FB) = 1.25V
V CC = 3.6V ~ 20V
1.05
160
500
1.45
nA
V
AV
GBW
CMRR
Open-loop voltage amplification
Unity-gain bandwidth
Common-mode rejection ratio
R F = 200 k ?
70
60
80
1.5
80
dB
MHz
dB
V OH
V OL
Max. output voltage
Min. output voltage
V ref -0.1
1
V
V
I OI
I OO
Output (sink) current (COMP)
Output (source) current (COMP)
V ID = -0.1V, V O = 1.25V
V ID = 0.1V, V O = 1.25V
0.5
-45
1.6
-70
mA
μA
AP2004 Rev. 3
4 of 8
FEBRUARY 2009
? Diodes Incorporated
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