MAX1519ETL データシートの表示（PDF） - Maxim Integrated
部品番号
コンポーネント説明
メーカー
MAX1519ETL
Maxim Integrated
MAX1519ETL Datasheet PDF : 43 Pages
| |||
Dual-Phase, Quick-PWM Controllers for
Programmable CPU Core Power Supplies
ELECTRICAL CHARACTERISTICS (continued)
(Circuit of Figure 1, V+ = 15V, VCC = VDD = VSHDN = VTON = VSKIP = VS0 = VS1 = VCODE = 5V, VFB = VCMP = VCMN = VCSP = VCSN
= 1.3V, OFS = SUS = GNDS = D0–D4 = GND; TA = 0°C to +85°C, unless otherwise specified. Typical values are at TA = +25°C.)
PARAMETER
SYMBOL
CONDITIONS
MIN TYP MAX UNITS
TON = GND
(550kHz)
155
180
205
On-Time (Note 3)
tON
V+ = 12V,
VFB = VCCI = 1.2V
TON = REF
(300kHz)
TON = open
(200kHz)
320
355
390
ns
475
525
575
Minimum Off-Time (Note 3)
BIAS AND REFERENCE
Quiescent Supply Current (VCC)
Quiescent Supply Current (VDD)
tOFF(MIN)
TON = VCC
(100kHz)
TON = GND
TON = VCC, open, or REF
Measured at VCC, FB forced above the
ICC
regulation point, OAIN- = FB,
VOAIN+ = 1.3V
IDD
Measured at VDD, FB forced above the
regulation point
920 1000 1140
300 375
ns
400 480
1.70 3.20
mA
<1
5
µA
Quiescent Battery Supply Current
(V+)
IV+
Measured at V+
25
40
µA
Shutdown Supply Current (VCC)
Shutdown Supply Current (VDD)
Measured at VCC, SHDN = GND
Measured at VDD, SHDN = GND
4
10
µA
<1
5
µA
Shutdown Battery Supply Current
(V+)
Measured at V+, SHDN = GND,
VCC = VDD = 0 or 5V
<1
5
µA
Reference Voltage
Reference Load Regulation
VREF
ΔVREF
VCC = 4.5V to 5.5V, IREF = 0
IREF = -10µA to +100µA
1.990 2.000 2.010
V
-10
+10
mV
FAULT PROTECTION
Output Overvoltage Protection
Threshold (MAX1545 Only)
SKIP = VCC, measured at FB with respect
13
16
19
%
VOVP to unloaded output voltage
SKIP = REF or GND
2.00
V
Output Overvoltage Propagation
Delay (MAX1545 Only)
tOVP
FB forced 2% above trip threshold
10
µs
Output Undervoltage Protection
Threshold
VUVP
Measured at FB with respect to unloaded
output voltage
67
70
73
%
Output Undervoltage Propagation
Delay
tUVP
FB forced 2% below trip threshold
10
µs
VROK Threshold
Measured at FB
with respect to
unloaded output
voltage
Lower threshold
(undervoltage)
Upper threshold
(overvoltage)
SKIP = VCC
-12
-10
-8
%
+8
+10 +12
_______________________________________________________________________________________ 3
Share Link: